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Peninsula Development Land Parcel

3900 Marsten AVE Belmont, CA 94002

3900 Marsten AVE, Belmont, CA, 94002
$5,800,000
For Sale
Under Contract
$5,800,000

LAND - BELMONT, CA

Lot Size19.75 Acres
Days on Market35

Property Features for 3900 Marsten AVE

General Information

Property type
Land
Property subtype
Other
Zoning
A00000
Standard status
Active Under Contract
Lot size
19.75 Acres
Listing Agency KW Advisors
1430 Howard Avenue, Burlingame, CA
Listed by Wong Real Estate Grp · License #70010239
Added: Jun 12 Checked: Jul 16 at 3:06 pm
MLS# ML82028983 Listing URL

Copyright © 2026 MLS Listings, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

The offering is a roughly 19.75-acre parcel of open land in Belmont, presented as a possible luxury development site. Per the seller, the acreage may support a subdivision concept that could create approximately 6 to 8 parcels, each envisioned for a luxury estate home plus an ADU, subject to buyer due diligence and City/County building approval. The seller also states the buyer may be able to pursue eligibility under Cal. SB9, where a parcel could potentially accommodate two luxury estate homes plus ADUs; however, no development potential has been verified.

The property includes portions that were formerly used as a farmhouse with horse stalls and a corral, contributing to its established agricultural character. The land is described as having mature landscaping and a bucolic setting.

This parcel may fit buyers seeking a large-lot estate, family compound, or a private community-style development approach, with uses that could range from multi-generational living to income or signature development, all subject to verification of buildability, development feasibility, allowable uses, and lot sizing requirements. Buyers should independently confirm what can be built and under which approvals, including any development feasibility with the relevant City and County authorities.

Key Highlights

  • Approx. 19.75‑acre open land parcel with potential for luxury estate development (verification by buyer required)
  • Seller suggests the property may support creating 6 to 8 parcels for luxury estate homes with ADUs (subject to due diligence)
  • Buyer may pursue options under Cal. SB9; a parcel could potentially accommodate 2 luxury estate homes plus ADUs (subject to qualification)

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Residential land & home ...

Suggested Use

Real Estate Agency Law Firm Restaurant Hair Salon Spa & Massage Center Dental Office Nail Salon Auto Repair Shop Big Box & Wholesale Store Gym & Fitness Center

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Residential land & home lot - A roughly 19.75-acre open land tract in Belmont with seller-stated potential for estate home and ADU parcels.
Where is this residential land & home lot located?
The property is located at 3900 Marsten AVE Belmont, CA.
What is the asking price?
The asking price for this property is $5,800,000.
What are key features of this property?
This property features: Approx. 19.75‑acre open land parcel with potential for luxury estate development (verification by buyer required); Seller suggests the property may support creating 6 to 8 parcels for luxury estate homes with ADUs (subject to due diligence); Buyer may pursue options under Cal. SB9; a parcel could potentially accommodate 2 luxury estate homes plus ADUs (subject to qualification)
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