






$3,595,000
8 bd · 9 ba · 3,839 sqft · 9,496 sqft lot
4321 Edison St, San Mateo, CA 94403
Single family · Built 1949 · $936/sqft ·
$22,018/mo est. payment
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!
Laurel Elementary School
elementary · K-5 · 0.7 mi
Abbott Middle School
middle · 6-8 · 0.9 mi
Hillsdale High School
high · 9-12 · 1.2 mi
Centennial Montessori School
elementary · 1-4 · 0.6 mi
Notre Dame Elementary School
elementary · PK-8 · 0.7 mi
George Hall Elementary School
elementary · K-5 · 0.8 mi
$3,443,700
Listed by Patrick Lam · Century 21 Real Estate Alliance · MLSListings























