Welcome home! Multi updates to enhance its charm. This home has ample livable space with 3 bedrooms and 2 remodeled bathrooms. Corner lot with abundance of natural light and well-maintained landscape all around. Tasteful front garden featuring attached oversized 2 car garage, paved driveway and additional RV parking lot. Classic hardwood floor throughout, wood burning fireplace, eat-in kitchen with matched oakwood cabinets. Newer roof and furnace. Newly upgraded electronical panel box and tankless water heater. Sunny office/bonus room featuring marble floor and French door with access to back garden. Backyard featuring premium shed, outdoor power outlet and fruit trees is perfect for workshops and family get-togethers. Located near Castro Valley BART, library, Trader Joe's, downtown shops and restaurants. Easy access to Bay Bridge, San Mateo Bridge and I 580, 680, 880. Convenient commute to jobs, SF and the Peninsula. Per appraiser report, square footage including updates is 1530 SQ. Buyers are encouraged to verify total livable space. This home is move-in ready. Make your move!
For sale
$995,000
21723 Ada St, Castro Valley, CA 94546
3beds
1,530sqft
Est.:
Single Family Residence
Built in ----
6,030 Square Feet Lot
$-- Zestimate®
$650/sqft
$-- HOA
What's special
Fruit treesWood burning fireplaceWell-maintained landscapeAbundance of natural lightMarble floorCorner lotNewer roof
- 102 days
- on Zillow |
- 1,847 |
- 20 |
Zillow last checked: 7 hours ago
Listing updated: July 27, 2025 at 05:13pm
Listed by:
Kelly C. Surin DRE #01958102 415-312-3705,
Prime Metropolis Prop., Inc. 415-731-0303
Source: SFAR,MLS#: 425023211
Originating MLS: San Francisco Association of REALTORS

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Primary bedroom
- Features: Closet, Ground Floor
- Area: 0
- Dimensions: 0 x 0
Bedroom 1
- Area: 0
- Dimensions: 0 x 0
Bedroom 2
- Area: 0
- Dimensions: 0 x 0
Bedroom 3
- Area: 0
- Dimensions: 0 x 0
Bedroom 4
- Area: 0
- Dimensions: 0 x 0
Primary bathroom
- Features: Closet, Low-Flow Toilet(s), Steam, Sunken Tub, Tile, Tub, Tub w/Shower Over, Window
Bathroom
- Features: Low Flow Plumbing Fixtures, Low-Flow Toilet(s), Outside Access, Sunken Tub, Tile, Tub, Tub w/Shower Over, Window
Dining room
- Features: Dining/Family Combo, Dining/Living Combo, Sunken
- Level: Main
- Area: 0
- Dimensions: 0 x 0
Family room
- Features: Deck Attached, Great Room, Sunken, View
- Area: 0
- Dimensions: 0 x 0
Kitchen
- Features: Breakfast Area, Breakfast Room, Pantry Cabinet, Pantry Closet, Tile Counters
- Level: Main
- Area: 0
- Dimensions: 0 x 0
Living room
- Features: Great Room, Sunken, View
- Level: Main
- Area: 0
- Dimensions: 0 x 0
Heating
- Fireplace(s), Gas, Hot Water, Natural Gas, Oil, Wall Furnace
Cooling
- Ceiling Fan(s), Room Air, Window Unit(s), Attic Fan
Appliances
- Included: Dishwasher, Disposal, ENERGY STAR Qualified Appliances, Free-Standing Freezer, Free-Standing Gas Oven, Free-Standing Gas Range, Free-Standing Refrigerator, Gas Water Heater, Range Hood, Ice Maker, Microwave, Self Cleaning Oven, Tankless Water Heater, Wine Refrigerator, Dryer, Washer
- Laundry: Cabinets, Gas Dryer Hookup, Ground Floor, In Garage, Inside, Inside Room
Features
- Formal Entry, Storage
- Flooring: Carpet, Concrete, Marble, Painted/Stained, Tile, Wood
- Windows: Caulked/Sealed, Double Pane Windows, Weather Stripped, Window Coverings, Screens
- Number of fireplaces: 1
- Fireplace features: Family Room, Living Room, Raised Hearth, Wood Burning
Interior area
- Total structure area: 1,530
- Total interior livable area: 1,530 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Driveway, 24'+ Deep Garage, Attached, Covered, Garage Door Opener, Garage Faces Front, Inside Entrance, RV Storage, Side By Side, On Site (Single Family Only)
- Attached garage spaces: 2
- Has uncovered spaces: Yes
Accessibility
- Accessibility features: Accessible Doors, Accessible Full Bath, Accessible Kitchen, Grip-Accessible Features, Kitchen Cabinets, Parking
Features
- Patio & porch: Rear Porch, Enclosed, Enclosed Patio, Front Porch
- Exterior features: Balcony, Built-in Barbecue, Dog Run, Fire Pit, Misting System, Uncovered Courtyard
- Fencing: Back Yard,Fenced,Front Yard,Full,Wood,Gate
- Has view: Yes
- View description: City, City Lights, Downtown, Garden
Lot
- Size: 6,030 Square Feet
- Features: Auto Sprinkler F&R, Corner Lot, Curb(s), Curb(s)/Gutter(s), Garden, Greenbelt, Landscaped, Landscape Front, Landscape Misc, Private, Secluded, Storm Drain, Street Lights
- Topography: Level,Trees Many
Details
- Additional structures: Guest House, Kennel/Dog Run, Shed(s), Storage, Workshop
- Parcel number: 4159011
- Special conditions: Standard
- Other equipment: Air Purifier, Audio/Video Prewired, Home Theater, Intercom, MultiPhone Lines, Networked
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,Apartment,Ranch,Rustic
- Property subtype: Single Family Residence
- Attached to another structure: Yes
Materials
- Adobe, Brick, Concrete, Floor Insulation, Log, Plaster, Stone, Stucco, Wall Insulation, Wood
- Foundation: Concrete Perimeter, Pillar/Post/Pier
- Roof: Asphalt,Flat,Shingle,Tar/Gravel,Wood
Condition
- Updated/Remodeled
- New construction: No
Utilities & green energy
- Electric: 220 Volts, Battery Backup
- Sewer: In & Connected, Public Sewer, Sewer Connected & Paid
- Water: Meter on Site, Public, Water District
- Utilities for property: Sewer Connected, Cable Available, Cable Connected, DSL Available, Internet Available, Natural Gas Available, Natural Gas Connected, Underground Utilities
Green energy
- Energy efficient items: Appliances, Doors, Exposure/Shade, Heating, Insulation, Lighting, Roof, Thermostat, Water Heater, Windows
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Fire Alarm, Fire Extinguisher, Smoke Detector(s), Unguarded Gate, Video System, Other
HOA
- Has HOA: No
Location
- Region: Castro Valley
- Elevation: 0
Financial & listing details
- Price per square foot: $650/sqft
- Tax assessed value: $361,724
- Annual tax amount: $5,234
- Price range: $995K - $995K
- Date on market: 4/24/2025
- Listing terms: 1031 Exchange,Cash,Conventional
- Total actual rent: 0
- Road surface type: Paved Sidewalk, Sidewalk/Curb/Gutter, Asphalt, Paved
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