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4321 Edison Street
Single Family Residence 
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4321 Edison Street 
$3,595,000
Offered at
San Mateo, CA 94403
San Mateo County
8
Beds
9
Baths
3,839
Sq Ft
9,496
Lot Sq Ft
1949
Year Built
Sophisticated modern living in desirable Westwood Knolls! Situated on a quiet cul-de-sac, extensively renovated and expanded, this exceptional residence offers approx. 3,839 sq. ft. of living space with 8BD/9BA, including a newly constructed two-story rear extension, on an expansive 9,496 sq. ft. lot. The main…
Sophisticated modern living in desirable Westwood Knolls! Situated on a quiet cul-de-sac, extensively renovated and expanded, this exceptional residence offers approx. 3,839 sq. ft. of living space with 8BD/9BA, including a newly constructed two-story rear extension, on an expansive 9,496 sq. ft. lot. The main residence features dramatic 12-ft ceilings, White Oak hardwood floors, an electric fireplace, and accordion glass doors opening to a view deck with breathtaking city and Bay views. The chefs kitchen showcases a waterfall island, quartz countertops, sleek cabinetry, and high-end Thermador appliances, including a built-in wine refrigerator. The main level offers 5BD/6BA, including 4 en-suites, plus a sunroom and family room with fireplace and wet bar. Additional highlights include multi-zone A/C and heating, ceiling speakers, and 3 decks. The downstairs legal ADU (4321A Edison St) offers separate entrance, 3BD/3BA, including 2 en-suites, an open living area, kitchen with eat-in island, sunroom, and a spacious deck. 2-car garage, tankless water heaters, plus an oversized lot with parking for 10+ vehicles, RV, & boat/trailer. Conveniently located near Hillsdale shopping, dining, Caltrain, and major freeways. A rare combination of space, views, modern luxury, and versatility!
Facts & Features
Interior
Bedrooms & bathrooms
- Bedrooms: 8
- Bathrooms: 9
- Full bathrooms: 9
Appliances
- Included: Dishwasher, Disposal, Microwave, Refrigerator, Range Hood, Dryer, Washer
- Laundry: Gas Dryer Hookup
Features
- Flooring: Tile, Wood
- Has fireplace: Yes
- Fireplace features: Living Room
Interior area
- Total interior livable area: 3,839 sqft
Property
Parking
- Total spaces: 10
- Attached garage spaces: 2
Features
- Patio & porch: Deck
- Fencing: Wood
- Has view: Yes
- View features: Bay, City Lights, Mountains
Lot
- Size: 0.22 Acres
- Features: Sloped Down
Details
- Parcel number: 042262010
- Zoning: R10006
Construction
Type & style
- Home type: Residential
- Architectural style: Contemporary, Modern
- Property subtype: Single Family Residence
Materials
- Stone
- Roof: Flat, Shingle
Condition
- Year built: 1949
Location
Mike Zwarg
Broker / Owner
951-528-0626
mike@mzhomes.us
mike@mzhomes.us
Listing Office: CENTURY 21 Masters · Listing Agent: Patrick Lam · CRMLS
The property listing information on this website comes in part from the California Regional Multiple Listing Service (CRMLS) via Internet Data Exchange (IDX). Information is deemed reliable but is not guaranteed accurate by the MLS, and all properties are subject to prior sale, change, or withdrawal. This data is provided exclusively for consumers' personal, non-commercial use, and may not be used for any purpose other than identifying properties consumers may be interested in purchasing. Buyers should independently verify all information, including square footage, lot size, schools, and property condition.
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4321 Edison Street, San Mateo, CA 94403
951-528-0626
mike@mzhomes.us
mzhomes.us
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