3900 Marsten Avenue, Belmont, CA 94002

Property Description

*NEW PRICE* RARE Peninsula Offering! One of the Last Open Parcels for Possible Luxury Development! Extraordinary opportunity to acquire last remaining open tract of land! Bucolic setting, sweeping natural beauty, unmatched future potential. This serene property of approximately 19.75 acres may offer the possibility to create 7 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 natural contours, 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.

Listing Status:

Active

Date Added:

December 7, 2025

Data Last Updated:

April 3, 2026 at 6:17PM

Listing Office:

KW Advisors : (650) 627-3700

Listing Agent:

Wong Real Estate Grp : 650-619-2790

MLS ID:

ML82028983

Exterior

• Parking: Parking spaces: 0

Location

• Originating MLS: CRMLS_MLSL
• School District: Other
• County: San Mateo

Lot

• Zoning: A00000043072490
• Fencing: None

Utilities

• Water: Other
• Sewer: Public Sewer

Financial

• Source: CRMLS_MLSL