4321 Edison Street

$3,595,000 3,839 SQ FT
$936 SQ/FT

4321 Edison Street

@ 43rd Ave - 425 - Westwood Knolls Etc., San Mateo

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  • 8 Bed
  • 9 Bath
  • 12 Park
  • 3,839 sqft
  • San Mateo
  • Payment calculator
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Message MICHAEL FRIEDMAN
  • Sun Oct 4, 2:00 pm - 4:00 pm

  • Tue Oct 6, 5:00 pm - 6:00 pm

  • Sat Oct 10, 2:00 pm - 4:00 pm

  • Sun Oct 11, 2:00 pm - 4:00 pm

  • Thu Oct 15, 5:00 pm - 6:00 pm

Sophisticated modern living in desirable Westwood Knolls! 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 deck, ideal for extended famil/flexible living. 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!

Days on Market
0 days
Current Status
Active
Original Price
$3,595,000
List Price
$3,595,000
On Market Date
Oct 3, 2026
Property Type
Single Family Home
Area
425 - Westwood Knolls Etc.
Zip Code
94403
MLS ID
ML82063527
APN
042-262-010
Year Built
1949
Stories in Building
1
Possession
Unavailable
Data Source
MLSL
Origin MLS System
MLSListings, Inc.
Bed
8
Bath
9
Stall Shower - 2+, Tile, Updated Bath
Parking
12
Attached Garage, Enclosed, Parking Area, Room for Oversized Vehicle
SQ FT
3,839
SQ FT Source
Unavailable
Lot SQ FT
9,496.0
Lot Acres
0.217998 Acres
Kitchen
220 Volt Outlet, Countertop - Quartz, Dishwasher, Garbage Disposal, Hood Over Range, Microwave, Oven Range - Electric, Refrigerator
Cooling
Multi-Zone
Dining Room
Breakfast Bar, Dining Area
Disclosures
Natural Hazard Disclosure
Family Room
Separate Family Room
Flooring
Hardwood, Tile, Vinyl / Linoleum
Foundation
Concrete Perimeter and Slab
Fire Place
Dual See Thru, Living Room, Other
Heating
Central Forced Air, Heat Pump, Heating - 2+ Zones
Laundry
Gas Hookup, Washer, Tub / Sink, Dryer
Views
Bay, Mountains, City Lights
Architectural Style
Contemporary, Modern / High Tech
Fee
Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

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