Active Open Tuesday 10/06 8 PM-9 PM

4321 Edison Street

San Mateo, CA 94403
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Bed 8

Bed

Bath 9

Bath

SqFt3,839

Sqft

SqFt9,496

Sqft(Lot)

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 mult i-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!

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Detail Ic Property Details

Property Type : Residential

Price : $3,595,000

AD Id : 91669324

MLS Id : ML82063527

Beds : 8

Lot Size : 9,496 Sq. Ft

Living Area Size : 3,839 Sq. Ft

Year Built : 1949

Garage : 2

County : San Mateo

Open House Open House

  • 10/06 8 PM-9 PM
  • 10/08 8 PM-9 PM
  • 10/10 5 PM-7 PM
  • 10/11 5 PM-7 PM
  • 10/15 8 PM-9 PM
  • Map Map

Map

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Feature Features

  • Bedroom Information

    Total beds: 8

    Bathroom Information

    Total Baths: 9 Full Baths: 9

    Roofing Information

    Flat, Shingle

    Flooring Information

    Tile, Wood
  • Interior Features

    BreakfastBar
    Roof: Flat, Shingle
    Appliances: Dishwasher, Disposal, Microwave, Refrigerator, RangeHood, Dryer, Washer
    Laundry Features: GasDryerHookup
    Window Features: Skylights
  • Heating & Cooling

    Has Heating: Yes Heating: Central, HeatPump Has Cooling: Yes

  • Building Information

    Year Built: 1949
    Construction Materials: Stone
    Patio And Porch Features: Deck
    Private Pool: No
    View: Bay, CityLights, Mountains

  • Lot Information

    Main Square Feet: 9496 Lot Size Acres: 0.218 Lot Size Source: Assessor Lot Size Square Feet: 9,496 Lot Description: SlopedDown

  • Listing Price Information

    Listing Price: $3595000

  • Tax Information

    Parcel Number: 042262010

  • Parking Information

    Parking Total: 10

    Garage Information

    Has Garage: Yes Has Attached Garage: Yes Garage Space: 2

  • Utility Information

    NaturalGasAvailable
  • Location Information

    Direction: Cross Street: 43rd Ave WaterSource: Public
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Nearby Home Value

Address Estimate Bed Bath Sq. Ft Lot Size
Bayview Avenue, San Mateo, CA, 94403 $2,169,888 3 2 1,610 --
3419 La Selva Street, San Mateo, CA, 94403 $998,000 2 2 1,190 1,612 Sq. Ft
213 Estrella Way, San Mateo, CA, 94403 $1,788,000 3 2 1,352 5,000 Sq. Ft
114 E Hillsdale Boulevard, San Mateo, CA, 94403 $1,649,000 4 2 1,860 6,000 Sq. Ft
2225 Kent Street, San Mateo, CA, 94403 $1,850,000 3 2 1,830 5,589 Sq. Ft
45 E Hillsdale Boulevard, San Mateo, CA, 94403 $1,599,000 2 1 1,300 6,000 Sq. Ft
45 E Hillsdale Boulevard, San Mateo, CA, 94403 $1,599,000 2 1 1,300 6,000 Sq. Ft
3917 Donner Street, San Mateo, CA, 94403 $1,698,000 5 3 2,670 5,080 Sq. Ft
293 W 39th Avenue, San Mateo, CA, 94403 $1,750,000 3 1 1,270 5,108 Sq. Ft
340 W 39th Avenue, San Mateo, CA, 94403 $1,999,900 3 2 1,440 5,600 Sq. Ft

The information being provided by Miami Association of REALTORS® is for the consumer's personal, non-commercial use. Any information relating to real estate for sale referenced on this web site comes from the Internet Data Exchange (IDX) program of the Miami Association of REALTORS®. The accuracy of all information is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by Miami Association of REALTORS® and is protected by all applicable copyright laws. Any unauthorized dissemination of this information is in violation of copyright laws and is strictly prohibited. Copyright 2026 Miami Association of REALTORS®. All rights reserved.

ByOwner last updated this listing 10/06/2026 @ 14:39

MLS: ML82063527 LISTED BY: Patrick Lam, CENTURY 21 Masters 650-689-5888 SOURCE: CRMLS

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