- $5.8M Price
- 19¾ Acres
- 151 DOM
3900 Marsten Avenue
*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.
Essential Information
- MLS® #ML82028983
- Price$5,800,000
- Bathrooms0.00
- Acres19.75
- TypeLand
- StatusActive Under Contract
Community Information
- Address3900 Marsten Avenue
- Area699 - Not Defined
- CityBelmont
- CountySan Mateo
- Zip Code94002
Exterior
- Lot DescriptionRolling Slope
School Information
- DistrictOther
Additional Information
- Date ListedDecember 7th, 2025
- Days on Market151
- ZoningA00000
Listing Details
- AgentWong Real Estate Grp
- OfficeKW Advisors
Price Change History for 3900 Marsten Avenue, Belmont, (MLS® #ML82028983)
| Date | Details | Change |
|---|---|---|
| Status Changed from Active to Active Under Contract | – | |
| Price Reduced from $7,999,999 to $5,800,000 |
Wong Real Estate Grp, KW Advisors.
Based on information from California Regional Multiple Listing Service, Inc. as of June 13th, 2026 at 2:29pm PDT. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.