Refine Search
Sort by
$589,900
3 Beds 2.5 Baths 41141193 MLS
No MELLOW ROOS taxes! Charming 3 bedroom 2.5 bath, court location on a corner lot. Side yard access for your boat, trailer or extra vehicle. Light and bright with vaulted ceilings and open kitchen. On the first level enjoy your kitchen, living room, brick fireplace and half bath. Kitchen has beautiful granite counter tops! On the second level you will find the primary bedroom with walk-in closets and full bathroom, 2 bedrooms and a full bathroom. Roof, gutters and Solar with 3 back-up batteries installed last year. Low maintenance yard, with a shed for storage. Washer and Dryer 6 months old. Centrally located within approximately 2.5 miles from freeway, within a few miles from downtown Oakley and Brentwood.

305 Helena Ct., Oakley

$619,950
2 Beds 2 Baths 41141187 MLS Canyon Woods BLDG.
OPEN SUNDAY 8/2 from 2:00 - 4:00 PM…(See Video Walkthrough)) JUST REDUCED TO UNDER $620K - a PHENOMENAL price for this community!*** FANTASTIC OPPORTUNITY TO OWN IN ONE OF SAN RAMON'S TOP CONDO-TOWNHOME COMMUNITIES - CANYON WOODS! Savvy real estate buyers know buying the right LOCATION and COMMUNITY at an attractive price point is a sure way to jump-start your equity build-up. This WELL-PRICED, clean, MOVE-IN CONDITION 2-BED/2-BATH Upper-Unit condo fulfills this time-tested investment principle perfectly! With a few minor updates, you'll not only customize to your liking, but create valuable UPSIDE RETURNS relatively quick! KEY FEATURES include: 1-CAR PRIVATE ENCLOSED ATTACHED GARAGE, an EXTRA assigned outside Parking Space, Updated Kitchen, wonderful VIEWS of the trees and Golf Course, and GORGEOUS SUNSETS! Top it all off with a highly centralized and secure location, very close proximity to San Ramon's shopping, dining, and recreation activities, and TOP-RATED SCHOOLS - it's an irresistible combination of attributes that make this home a clear STAND-OUT! Available now - don't miss! …ONLINE TOUR: https://www.tourfactory.com/3244785

246 Canyon Woods Way Unit C, San Ramon

$1,875,000
4 Beds 3.5 Baths 41141179 MLS
Nestled among majestic oak trees at the end of a private, tree-lined road, this exceptional South Walnut Creek retreat offers a rare blend of peaceful country living and everyday convenience. Set on a beautiful half-acre (21,780 sq ft) lot in the highly desirable Tice Valley area, the property provides exceptional privacy, scenic wooded views, and a setting that feels more like a Tahoe mountain retreat than a suburban neighborhood. Inside, the approximately 3,131-square-foot home is filled with natural light and features soaring A-frame ceilings, dramatic wood beams, expansive windows, and warm natural finishes that create an inviting treehouse-like atmosphere. The flexible floor plan includes four bedrooms and three and one-half bathrooms, including a convenient first-floor bedroom and a spacious private primary suite with an updated bathroom and generous walk-in closet. The updated center-island kitchen features granite countertops, stainless steel appliances, a gas cooktop, breakfast bar seating, and opens seamlessly to the family room and expansive rear deck, creating an ideal setting for indoor-outdoor living and entertaining. Multiple decks and outdoor living spaces invite you to relax among the trees and enjoy the tranquility of this unique setting. The expansive half-acre property offers space, privacy, and flexibility, making it ideal for those seeking room to grow, entertain, or simply enjoy nature. While the setting feels like a private escape, you’re just minutes from downtown Walnut Creek, Broadway Plaza, top-rated Walnut Creek schools, parks, hiking trails, dining, shopping, BART, and convenient freeway access. A rare opportunity to own a private, wooded retreat in one of South Walnut Creek’s most desirable locations - offering the perfect balance of serenity, character, and everyday convenience.

279 Castle Hill Ranch Rd, Walnut Creek

$815,000
4 Beds 2 Baths 41141167 MLS
Waterfront Living with mornings that begin with mist rising off the water, coffee in hand on your private deck, Mt. Diablo standing watch in the distance. This isn't just a home, it's the vacation you never have to leave. Tucked into a quiet stretch of Bethel Island with deep, fast water access, this beautifully upgraded, HOA-free retreat sits on a 10,000+ sq ft lot and delivers the kind of waterfront lifestyle people spend years searching for. Whether you're chasing the perfect fishing spot, launching the boat for a sunset cruise, or just soaking in panoramic Delta views, this property was built for it. Step inside and the great room welcomes you with soaring wood-beamed ceilings and walls of glass framing the water beyond. The layout flows effortlessly from the family room and dining area straight out to a generous deck the kind of space made for long dinners, easy entertaining, and evenings that don't want to end. The fully upgraded kitchen brings abundant cabinetry, generous prep space, and stainless steel appliances to the table, while two remodeled bathrooms add a touch of everyday luxury. Single-level living means comfort without compromise, with 3 bedrooms plus a versatile office giving you room to work, host, or simply spread out. Fresh flooring, new paint, and modern comforts throughout mean this home is truly move-in ready. A spacious U-dock with covered berths and a Hydro lift puts your boat, jet skis, and water toys steps from your door. Add an attached garage/storage shed, a dedicated boat shed, and ample driveway parking for vehicles, boats, RVs, and trailers, and you've got a setup ready for every adventure the Delta has to offer. Over $100,000 in upgrades has gone into this property, from the dock to the hydro lift to a beautifully reimagined yard with a stunning walkout feature. Every detail has been considered, every improvement made so you can simply move in and start living the lifestyle. Minutes from marinas, waterfront dining, and some of the best fishing in the Delta, this is more than a house. it's a rare opportunity to own a turnkey waterfront gem. Franks Tract at your doorstep, weekend bass tournaments, Mt. Diablo views. Oakley & Antioch minutes away for shopping, dining, and hospital care. Boating, fishing, and waterfront living, all within reach of everyday convenience.Compare it to Delta Cove pricing and you'll see: this is the one. OPEN HOUSE SAT AUG 1st 12-3 pm

1822 Taylor Rd, Bethel Island

$798,000
5 Beds 4 Baths 41141157 MLS
At 5601 Ridgepoint WAY in ANTIOCH, CA, a newly constructed residential property from 2025 offers 2999 square feet of attractive living space. This home presents an exceptional opportunity for a sophisticated Californian lifestyle, designed for comfort and modern living. The heart of this residence is its open-plan kitchen, seamlessly integrating with the living room. It is equipped with sleek stainless steel appliances, including a smart refrigerator, and features a central island with an integrated sink, perfect for both culinary pursuits and casual gatherings. Each of the four full bathrooms is thoughtfully designed, with some featuring a double vanity or a large double vanity, offering ample space and convenience. A spacious layout and a walk-in shower contribute to a luxurious and functional experience in these private retreats. Beyond the interior, a private yard offers a personal outdoor sanctuary. The convenience of an in-home laundry room simplifies daily routines, while the built-in garage provides secure parking and additional storage. A welcoming porch extends an invitation to enjoy the California climate. Discover the refined living experience awaiting you at this exceptional Antioch address.

5601 Ridgepoint Way, Antioch

$999,000
4 Beds 3.5 Baths 41141115 MLS
Explore the option to own this extraordinary custom home surrounded in the private gates of the prestigious Discovery Bay Golf & Country Club. Panoramic views of the tranquil water features adjacent to the 12th fairways. Step inside to a luminous open living space w/ cathedral-like vaulted ceilings. Formal living and dining spaces invite you to unwind by the cozy fireplace. Impeccably designed kitchen w/ its sit-up counters, generous island, double oven, Thermador cooktop, Sub-Zero refrigerator, vegetable sink, wine fridge, and more. The main floor also hosts the luxurious primary suite w/ slider to the patio, ensuring convenience and comfort at every turn. Primary bath w/ jetted tub, double sinks and glassed-in shower. An additional bedroom downstairs w/ built-in desk gives the flexibility to serve as a functional home office. Offering multi-generational living, upstairs you will find two more generous bedrooms and full baths. Storage is ample w/ walk-in closets in every bedroom. Soak in the beauty of landscape, nature and observe the golfers from the expansive patio w/ pergola overhang offering shade to enhance the outdoor living space. Located on a cul-de-sac, surrounded by numerous activities, dining and marina.

82 Edgeview Ct, Discovery Bay

$649,000
3 Beds 2.5 Baths 41141114 MLS
Just reduced by 26k and priced to sell! Located in a great neighborhood in the highly desirable west side of Brentwood and walking distance to schools and parks, you'll find this updated gem. Terrific floorplan with eat-in kitchen, breakfast bar and tons of cabinet space, separate living and family rooms, indoor laundry room, high ceilings and a primary bath with soaking tub and dual vanities. Nice upgrades include stone counter tops, plank laminate flooring, stainless appliance package, ceiling fans, upgraded fixtures and more. Large back yard with a concrete patio and walkway is your blank canvas to create your dream back yard! Great side yard area could easily be converted to RV / boat parking or build an ADU or shop! The exterior was just painted in preparation for sale. This house is sparkling clean and move in ready, come see for yourself!

1786 Corte Vista St, Brentwood

$699,000
2 Beds 2 Baths 41141102 MLS Rossmoor BLDG.
Welcome to one of the most desirable floor plans in Rossmoor Walnut Creek. This beautifully positioned Expanded Kentfield model offers the perfect blend of space, comfort, and scenic living. Perched in a premium location, this upper-end unit captures peaceful hillside views and natural light, creating a serene retreat you’ll enjoy every day. With approximately 1,400+ sq ft, this thoughtfully designed home features 2 spacious bedrooms, 2 bathrooms, and a versatile Den—ideal for a home office, hobby room, or guest space. The open-concept living and dining areas flow seamlessly to a private balcony, perfect for morning coffee or evening sunsets. Large windows frame the surrounding greenery, bringing the outdoors in and enhancing the home’s tranquil atmosphere. The expansive primary suite offers comfort and privacy, while the flexible layout provides room to live, relax, and entertain with ease. Don't miss your chance to get this expanded Kentfield Model.

2520 Ptarmigan Unit 1, Walnut Creek

$1,449,000
4 Beds 2.5 Baths 41141049 MLS
Perfect for a growing or expanding family. You can be the 3rd owner of this amazing home. This home boasts of an extra-large spectacular backyard with a newly remodeled pool. The beautifully updated interior includes new paint and carpet. Recently remodeled kitchen with newer appliances and an eat in breakfast nook. Formal dining room and large living room as you enter the home. Don't miss the private office near the front door. Designed with convenience in mind, the layout includes the primary bedroom and new bathroom suite downstairs. Laundry room and 1/2 bath downstairs for convenience. Upstairs you will find three large bedrooms with a newly remodeled bath. Completing this perfect property is a two-car garage with a workshop area. Don't miss the side access for a boat or an RV.

2065 Gill Port Ln, Walnut Creek

$1,799,800
4 Beds 2.5 Baths 41141048 MLS
Open House! Friday 5PM-7PM, Saturday and Sunday 1PM-5PM Welcome to this beautifully maintained home in the highly sought-after Bent Creek neighborhood of San Ramon. Perfectly positioned directly across from scenic open space, a flowing creek, and picturesque walking trails, this home offers a rare blend of tranquility, comfort, and everyday convenience — all in one of San Ramon's most desirable settings. This light-filled residence features 4 spacious bedrooms and 2.5 baths, with soaring ceilings and expansive windows that fill the home with natural light throughout the day. The thoughtful floor plan offers both formal and casual living spaces, ideal for everyday life as well as entertaining family and friends. At the heart of the home, the kitchen boasts a large center island, ample cabinetry, and a sunny dining nook that opens seamlessly to the inviting family room, anchored by a cozy fireplace — a comfortable gathering space perfect for relaxing evenings or hosting guests year-round. Outside, discover a private backyard retreat featuring a charming patio, an elevated sitting deck, and a generous side yard — offering plenty of space for outdoor dining, gardening, play, or simply enjoying the beautiful California weather. Bent Creek is known for its quiet, tree-lined streets, welcoming atmosphere, and strong sense of community. Residents enjoy easy access to miles of scenic walking and biking trails, neighborhood parks, and nearby open space. Just minutes from shopping, dining, entertainment, top-rated San Ramon Valley schools, golf courses, and commuter access via I-580 and I-680 and BART — this location offers the best of both relaxation and convenience. A rare opportunity to enjoy everything San Ramon has to offer!

1291 Stoney Creek Dr, San Ramon

$1,598,000
2 Beds 2 Baths 41141045 MLS Rossmoor BLDG.
From the moment you enter this desirable Ash model you are welcomed by an abundance of natural light with beautiful expansive vista views of rolling hills and canyon. The large deck embodies the best of California living, seamlessly blending indoor and outdoor spaces while complementing the home's open-concept floor plan. Seldom does a home become available that exemplifies such thoughtful remodeling, where distinctive architectural design meets impeccable craftsmanship. Every detail has been carefully considered, with the finest finishes and materials selected throughout to create a residence of exceptional quality and style. Convenient attached garage with interior access. Such a wonderful home you will enjoy for years!

2934 Saklan Indian Dr, Walnut Creek

$689,000
3 Beds 2.5 Baths 41141039 MLS
Welcome to desirable Brighton Station, where this 3-bedroom, 2.5-bath home offers 2,239 sq. ft. of comfortable living with a spacious, functional layout. A light-filled entry with vaulted ceiling creates a warm first impression. The open kitchen features stone countertops, stainless appliances, center island seating, pantry, home organization hub and dining nook, all flowing into the inviting family room with an all-day coffee to cocktail bar and cozy fireplace. Upstairs, the spacious primary suite includes dual sinks vanity, soaking tub, separate shower, and walk-in closet, while the convenient second-floor laundry room and abundant storage throughout add everyday ease. Enjoy the beautifully landscaped backyard with patio, lush lawn, and mature lemon tree, plus a finished garage with overhead storage. Located near top-tier schools, convenient dining & shopping hubs, parks and Mokelumne Coast to Crest Trail steps away. Plus, easy access to Highway 4, Antioch BART, boating and local wine tasting, this home has been lovingly maintained and is ready for its next chapter.

2472 Grant St, Brentwood

$769,000
5 Beds 4 Baths 41141027 MLS
Corner lot , Well maintained Serene at Vista Del Mar community, this spacious 5 bedroom, 4 bath residence built in 2023 offers 2,226 sq ft of modern living space in two separate units. The main home contains 4 bedrooms and 3 full baths with a loft ( could be use as additional room ), including first floor bedroom and full bath located near the entry is perfect for family use or as a private home office. A separate 1 bedroom ADU unit has a separate address and adds flexibility ideal as a rental, guest suite. This residence lives like a luxury new build with community amenities including parks, basket and bocce ball courts, dog park, garden and more. Located within walking distance to Pittsburg/Bay Point BART Station, Sprouts grocery, Starbucks and more others.

417 Mystic Ln, Pittsburg

$368,000
2 Beds 2 Baths 41141023 MLS Willow Park BLDG.
Waterfront Living Starts Here! Private Boat Slip Included in Desirable Willow Park Marina. This waterfront condo is an END UNIT ready for its next owner to enjoy. Being an end unit, you have much more natural ligth! Located in the sought-a fter Willow Park Marina community, this home offers the perfect blend of comfort, convenience, and direct access to the California Delta lifestyle. The floor plan features two bedrooms and two full bathrooms, laminate flooring, and a full suite of kitchen appliances, including a refrigerator, microwave, dishwasher, and electric range. Natural light and water views create a relaxing atmosphere, while the private deck provides the perfect spot to enjoy your morning coffee or unwind at the end of the day. Boating enthusiasts will appreciate the premium covered boat slip, offering direct deep-water access to more than 1,100 miles of Delta waterways right from your backyard. Whether you're looking for a full-time residence, weekend retreat, or low-maintenance waterfront lifestyle, this is a fantastic opportunity to own in one of Oakley's most desirable marina communities. Bring your fishing gear, and your vision for Delta living, this waterfront opportunity is ready to welcome you home.

3495 Wells Rd, Oakley

$739,000
5 Beds 3 Baths ML82053456 MLS
Now offered at an exceptional new price of $739,000! Beautifully remodeled and move-in ready, this spacious 5- Bedroom home is located in Brentwood's desirable Sunset Crossing neighborhood on a quiet corner lot, offering a rare combination of privacy, community, and tranquility with no HOA. A permitted fifth bedroom provides exceptional flexibility as a home office, guest suite, fitness room, studio, or wellness retreat. Recent upgrades include hardwood flooring throughout, including the staircase, fresh interior and exterior paint, recessed lighting, and a newer A/C system (2022). The well-appointed kitchen features stainless steel appliances, all included. Enjoy a private, low-maintenance backyard with a spa, mature fruit trees, and inviting outdoor living space. Ideally located near Sunset Park Sports Complex, Marsh Creek Regional Trail, downtown Brentwood, The Streets of Brentwood, Costco, restaurants, schools, and Highway 4, offering the perfect blend of comfort, convenience, and an easy Bay Area commute. Exceptional value-don't miss this opportunity! Buyer/Buyer's agent to verify all the information including but not limited to schools enrollment,sq footage,bedrooms and bathrooms.

206 Kayla Place, Brentwood

$644,000
3 Beds 2 Baths 41140970 MLS
Some homes make a great first impression. This single-story home makes everyday living easier. Vaulted ceilings and abundant natural light create an open, airy feel, while durable tile and laminate flooring throughout the main living areas offers style that's as practical as it is beautiful. The spacious great room flows into the dining area where a wood-burning fireplace creates a warm gathering place, and the kitchen stays connected to the heart of the home for effortless entertaining. Step outside to a beautifully refreshed low-maintenance backyard featuring new artificial turf, concrete, and fencing completed in 2025, giving you more time to relax and less time maintaining. The oversized 3-car garage provides exceptional flexibility for vehicles, storage, hobbies, or recreational toys. Major improvements include a remodeled primary ensuite (2024), water heater (2024), HVAC (2020), roof (2017), and dishwasher (2025). Located minutes from Big Break Marina and Big Break Regional Shoreline, you'll enjoy boating, fishing, hiking, and the Delta lifestyle while coming home to an established neighborhood known for pride of ownership. Move in and start enjoying life from day one.

1749 Domaine Way, Oakley

$2,080,000
7 Beds 7 Baths 41140954 MLS
Welcome to 6170 Sellers Avenue, an exceptional Oakley estate offering the perfect blend of contemporary living, versatility, and country charm. Nestled in unincorporated Contra Costa County, this unique property is just minutes from downtown Brentwood and Oakley, with convenient access to shopping, schools, dining, and the California Delta with its endless recreational opportunities. The expansive single-story main residence has been completely remodeled with contemporary clean lines, stylish finishes, and an open-concept floor plan designed for entertaining. Breathtaking wood flooring flows throughout the home, creating a warm and seamless feel. The stunning new kitchen features crisp white cabinetry, sleek stainless-steel finishes, generous workspace, and a modern design sure to inspire any chef. Opening directly to the family room, the kitchen creates an inviting gathering space that keeps everyone connected. Retreat to the oversized primary suite, featuring a beautifully updated, spa-inspired bathroom designed for relaxation. Thoughtful renovations throughout the home create a fresh, sophisticated atmosphere while maintaining the comfort and warmth of country living. Step outside and discover your own private backyard retreat, complete with beautifully landscaped and fenced outdoor spaces, a sparkling in-ground swimming pool, and an established, producing vineyard. Entertain poolside, enjoy peaceful evenings overlooking the vines, or harvest your own grapes and create your own Cabernet! Need more? This impressive property also includes a separate three-bedroom, two-bath second residence, offering exceptional flexibility for multigenerational living, extended family, guests, a private home office, or potential rental income. Create the ultimate family compound while still providing privacy and independence for everyone. The grand exterior showcases custom stonework and upscale curb appeal, while multiple oversized garages provide an incredible opportunity for car enthusiasts, collectors, hobbyists, or anyone needing additional space for vehicles, equipment, recreational toys, storage, or a workshop. An additional agricultural building adds even more versatility. Zoned for horses and livestock, this distinctive estate offers room to enjoy an authentic country lifestyle without sacrificing proximity to everyday conveniences.

6170 Sellers Ave, Oakley

$949,000
5 Beds 3 Baths 41140951 MLS
Experience the allure of this stunning single-story home in Discovery Bay! Best Neighborhood!!! Situated on a premium lot, this property boasts an expansive tropical-themed backyard complete with a large pool, perfect for entertaining and relaxation. Enjoy the serene view across the meadow with no direct neighbors, offering a peaceful retreat. With no HOA and a fully paid solar system NEM 2, this home is both energy-efficient and cost-effective. Inside, you’ll find a upgraded kitchen with wolf appliances, spacious rooms and a unique bonus loft, alongside a luxurious main master suite on the lower level that overlooks the inviting pool area—truly a spa-like experience. Additionally, this property boasts a three-car garage for ample storage and convenience. Don’t miss your chance to make this dream home yours, complete with all its wonderful amenities and the charm of a non-gated community without the hassles of HOAs. Play where you live! Walking trails and water views await you right outside your door! Rv parking, Brand New AC and furnace. Must see home...

1771 Wilde Dr, Discovery Bay

$620,000
5 Beds 3 Baths 41140924 MLS
This exceptional 5-bedroom, 3-bathroom residence offers 2,232 square feet of thoughtfully designed living space in the desirable gated Stanford Place community. Combining flexible living areas, functional design, and a prime commuter-friendly location, this home delivers the perfect blend of comfort and convenience. The versatile layout includes a highly desirable downstairs bedroom and full bathroom, ideal for guests, multigenerational living, or a home office. Upstairs, a generous loft provides additional flexible living space for a media room, playroom, or workspace. The expansive primary suite serves as a private retreat with a large walk-in closet and an ensuite bathroom featuring dual sinks, a sunken soaking tub, and a spacious walk-in shower. Discover an open-concept floor plan designed for both everyday living and entertaining. The spacious kitchen features stone countertops, a gas range, dishwasher, refrigerator, garbage disposal, and ample cabinetry, creating a functional and inviting gathering space. Additional highlights include an upstairs laundry room with washer and dryer included, a newer water heater, and an attached two-car garage. Conveniently located near BART, Highway 4, shopping, dining, schools, and everyday amenities, this home offers exceptional value in one of Pittsburg's most desirable gated communities. Designed for low-maintenance living, the property provides the benefits of homeownership without the extensive upkeep of a traditional yard. Residents enjoy beautifully maintained, park-like community grounds featuring a playground, BBQ area, and shaded seating, creating inviting spaces to relax, gather, and enjoy the outdoors.

356 Turnstone Circle, Pittsburg

$545,000
3 Beds 2 Baths 41140909 MLS
Beautifully updated and move-in ready, this spacious 3-bedroom, 2-bath home offers 1355 sq ft of comfortable living on a desirable 7150 sq ft corner lot just moments from the neighborhood lake. Thoughtfully refreshed with fresh interior paint, remodeled bathrooms, new kitchen flooring, and a brand-new stove/oven, the inviting floor plan features generous living spaces filled with natural light and a private primary suite. Your private backyard oasis features a sparkling in-ground pool, covered patio, and expansive entertaining areas, creating the perfect setting for relaxing or hosting family and friends. Major updates provide added peace of mind, including a new roof (2022), new HVAC system (2022), tankless water heater, and new pool filter. Conveniently located near parks, shopping, dining, schools, and commuter routes, this turnkey home offers the perfect blend of modern updates, everyday comfort, and California indoor-outdoor living.

1 N Lake Cir, Antioch

$375,000
41140903 MLS
Exceptional Waterfront Recreational Property located on Sandmound Slough. This is one of the finest waterfront lots currently available. This rare and fully equipped waterfront property offers the perfect blend of relaxation and recreation for living the Delta lifestyle! The lot offers approximately 46' feet of prime Delta waterfront for enjoying every morning sunrise plus the spectacular evening sunsets with Mt. Diablo in the background. The property includes water, sewer and electricity, along with a private U-dock featuring durable composite decking and steel pilings. The steel bulkhead provides significant added value and creates an extended patio area to the waters edge where you can entertain or relax under the gazebo on those hot summer days! Create unforgettable memories year-round right from your own backyard—kayak, fish, boat, jet ski, paddle board, and explore over 1,000 miles of California Delta waterways. Additional features include a charming she-shed, utility shed with washer/d dryer, automated irrigation system, landscaping, and a front gate for added privacy. Located close to fast water, this unique waterfront escape offers an incredible opportunity to enjoy the very best of Delta living.

5218 Sandmound Blvd, Oakley

© 2026 BEAR, CCAR, bridgeMLS. This information is deemed reliable but not verified or guaranteed. This information is being provided by the Bay East MLS or Contra Costa MLS or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. Date and time last updated: Website provided by: Real Geeks LLC