Active Under Contract

3900 Marsten Avenue

Belmont, CA 94002
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SqFt860,310

Sqft(Lot)

*NEW PRICE* RARE Peninsula Offering! One of the Last Open Parcels for Possible Luxury Development! Extraordinary opportunity to acquire lone of the last remaining open tract of land! Bucolic setting, sweeping natural beauty, unmatched future potential. Per the Seller, this property of approx. 19.75 acres may offer the possibility to create 6 to 8 parcels, each envisioned for a luxury estate home+ ADU. Buyer can choose to pursue and qualify under Cal. SB9, a parcel could potentially accommodate 2luxury estate homes + ADUs. *No development potential has been verified. This special property could lend itself to a range of uses: multi-generational living, income opportunity, a family compound, private gated community, premium investment, or signature development, all subject to Buyer investiga tion & City & County Building Division approval. Part of the acreage was formerly used as a farmhouse with horse stalls & corral, enhancing the property's character & versatility. The lands mature landscape, peaceful surroundings create an environment seldom available! Minutes to premier schools, transportation, SF/Silicon Valley, modern conveniences. A highly coveted location! Buyer must conduct their due diligence regarding buildability, development feasibility, allowable uses & lot size.

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Detail Ic Property Details

Property Type : Land

Price : $5,800,000

AD Id : 70547026

MLS Id : ML82028983

Lot Size : 860,310 Sqft(Lot)

County : San Mateo

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  • Lot Information

    Main Square Feet: 860310 Lot Size Acres: 19.75 Lot Size Source: Other Lot Size Square Feet: 860,310 Lot Description: RollingSlope

  • Listing Price Information

    Listing Price: $5800000
    Original Price: $7999999

  • Tax Information

    Parcel Number: 043072490

  • Location Information

    Direction: From Ralston, turn onto Christian, then immediate right onto Ralston Ranch Road, park at the cul de sac on your left. (See the 2nd photo) Marsten Ave starts here. The dirt road/path goes thru the tract. Do not drive the road as this is private property. WaterSource: Other
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Nearby Home Value

Address Estimate Bed Bath Sq. Ft Lot Size
Bartlett Way, Belmont, CA, 94002 $137,500 -- -- -- 12,650 Sqft(Lot)
Belmont Ave, Belmont, CA, 94002 $4,880,000 -- -- -- 31,545 Sqft(Lot)
1315 Alameda De Las Pul.., Belmont, CA, 94002 $5,600,000 -- -- -- 24,480.72 Sqft(Lot)
Land, Belmont, CA, 94002 $12,000,000 -- -- -- 4,380,829 Sqft(Lot)
2927 Alhambra Drive, Belmont, CA, 94002 $450,000 -- -- -- Acres (Lot)--
Alhambra Drive, Belmont, CA, 94002 $488,000 -- -- -- Acres (Lot)--
00 Marburger Ave., Belmont, CA, 94002 $225,000 -- -- -- 19,788 Sqft(Lot)
3200 Marburger, Belmont, CA, 94002 $700,000 -- -- -- 64,513 Sqft(Lot)
Barlett Way, Belmont, CA, 94002 $79,000 -- -- -- 5,931 Sqft(Lot)
Barlett Way, Belmont, CA, 94002 $99,000 -- -- -- 7,163 Sqft(Lot)

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 08/18/2026 @ 22:33

MLS: ML82028983 LISTED BY: Wong Real Estate Grp, KW Advisors 650-627-3700 SOURCE: CRMLS

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