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Belmont, CA

$2,595,000

1000 O Neill Street, Belmont, CA
0
Baths
3,023
Sq Ft
1885
Built
74
Days listed

About this home

The Emmett House -- Historic Charm, Rare Scale & Exceptional Potential! A once-in-a-lifetime opportunity to own one of Belmont's most distinctive historic properties. This beautifully preserved landmark 2-story duplex dates back to the late 1800s & showcases timeless architectural character with a historically significant exterior facade reflecting early Belmont's charm & heritage. Set on an expansive approx. 17,774 sq.ft. lot, the property features 2 spacious units, each with 3 beds & 2 baths, totaling approx. 3,023 sq.ft. This square footage does not include the approx. 600 sq ft detached two-car garage with additional storage, which provides valuable parking, functionality, and flexibility. This rare configuration offers options for owner-users, extended family, rental income, or long-term investment. The property may offer future value-add potential, including possible interior modifications to create up to 4 units plus ADU potential, subject to buyer investigation & city approvals. Offered at market rate with no BMR purchase or local rental restrictions, this is a unique opportunity to own a landmark asset with history, scale & flexibility. Ideally located near downtown Belmont, shopping, dining, parks, schools, Caltrain & commute routes & top Peninsula employment centers.

Facts & features

Interior
Bathrooms
0
Living area
3,023 sq ft
Appliances
Dishwasher, Gas Cooktop, Refrigerator, Vented Exhaust Fan
Flooring
Carpet, Tile
Heating
Central
Cooling
None
Exterior & lot
Lot size
0.408 acres (17,774 sq ft)
Year built
1885
Community
Area
699 - Not Defined
County
San Mateo
Listing details
Status
Active
Property type
Duplex
Days on market
74
Listed
2026-05-07
Original price
$2,788,000
Parcel #
045261010
MLS #
ML82046157
Listed by
Abe Matar · Landmark Real Estate Services

Price history

Listed
$2,788,000 · 2026-05-07
Price reduced
$2,595,000 (−$193,000)
Days on market
74
Current price
$2,595,000
Financing

Could this home be yours?

Estimated monthly payment
$16,279
$13,122 principal & interest · $3,157 taxes & insurance
$519,000
Estimate only
Loan $2,076,000

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Estimated value range nearby
$3,947,032$4,633,472

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Listing data provided by CRMLS

Listing courtesy of Landmark Real Estate Services. © 2026. The multiple listing data appearing on this website is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the consumer may be interested in purchasing. All data, including but not limited to all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. The listing broker's offer of compensation is made only to participants of the MLS where the listing is filed. Last updated July 27, 2026 Equal Housing Opportunity.

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