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$5,800,000
231 Days On Site

3900 Marsten Avenue
BELMONT, CA 94002

For Sale|Land|Active Under Contract
County:
San Mateo
Listed by of Wong Real Estate Grp of KW Advisors (650) 619-2790
Call Now: (408) 868-2620
Is this the listing for you? We can help make it yours.
(408) 868-2620
3900 Marsten Avenue3900 Marsten Avenue3900 Marsten Avenue3900 Marsten Avenue
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*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 investigation & 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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Listing Snapshot
Price 
$5,800,000
Days On Site 
231 Days
Bedrooms 
N/A
Inside Area (SqFt) 
N/A
Total Baths 
N/A
Full Baths 
N/A
Partial Baths 
N/A
Lot Size 
19.75 Acres
Year Built 
N/A
MLS® Number 
ML82028983
Status 
Active Under Contract
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
a month agoListing updated with changes from the MLS®
3 months agoStatus changed to Active Under Contract
4 months agoPrice changed to $5,800,000
8 months agoListing first seen on site
General Features
Acres 
19.75
Additional Property Use 
Other
Disclosures 
Natural Hazard Disclosure
Sewer 
Public Sewer
Utilities 
Electricity Available
Zoning 
A00000
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Exterior Features
Fencing 
None
Lot Features 
Split Possible
Community Features
School District 
Sequoia Union High
Schools
School District
Sequoia Union High
Elementary School
Unknown
Middle School
Unknown
High School
Unknown
Listed by of Wong Real Estate Grp of KW Advisors (650) 619-2790



The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. Real estate listings held by brokerage firms other than eXp Realty are marked with the Internet Data Exchange icon and detailed information about them includes the names of the listing brokers and listing agents. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, MLS Listings, Inc..
Last checked: 2026-07-27 03:15 AM UTC

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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*Estimate only. Actual rebate may vary based on final price, lender requirements, MLS rules, and broker policies.

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