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Photo 1 of 55 — 1000 O Neill Street, Belmont, CA 94002
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1000 O Neill Street, Belmont, CA 94002

San Mateo County

Key Facts

3,023Sq Ft
1885Year Built
0.41Lot (acres)
2Garage
2Stories

Description

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.

Property Information

Property Type

Residential Income

Sub-Type

Duplex

Year Built

1885

Stories

2

Living Area

3,023 sq ft

Lot Size

0.41 acres

Garage Spaces

2

Zoning

R10006

Days on Market

74

MLS® Listing#

ML82046157

Property Features

Appliances

DishwasherGas CooktopRefrigeratorVented Exhaust Fan

Cooling

None

Heating

Central

Flooring

CarpetTile

Foundation

Concrete Perimeter

Roof

Shingle

Security

Fire Sprinkler System

Sewer

Public Sewer

Water Source

Public

Rooms

  • Kitchen

Financial Details

HOA

None

Annual Taxes

$35,000

Parcel Number

045261010

Directions

Cross Street: 6th Avenue

Affordability Calculator

$519,000

Estimated monthly payment

$13,812/mo

Principal $2,076,000 · Est. interest $2,896,205 over 30 yrs

Neighborhood Market Statistics

How this home compares to active listings in Belmont, CA

$1,000,000
Median Listing Price
42
Median Days on Market
1,970
Median Sq Ft
$1,015
Median Price / Sq Ft
101
Active Listings
  • This home’s price is 160% above the area median.
  • Its price per sq ft is 15% below the area median.

Market statistics compiled from active EXIT Realty® and MLS listings in Belmont, CA.

Location

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Points of Interest in Belmont, CA

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Nearby Homes

Similar Homes Nearby

Similar Home Values

Comparable nearby listings and their asking prices.

AddressPriceBedsBathsSq Ft
1720 Terrace Drive, Belmont, CA$1,890,000321,730
1720 Terrace Drive, Belmont, CA$1,890,000321,730
1720 Terrace Drive, BELMONT, CA$1,890,00031,730
25 Rinconada Circle, Belmont, CA$1,950,000432,110
25 Rinconada Circle, BELMONT, CA$1,950,00042,110
25 Rinconada Circle, Belmont, CA$1,950,000432,110

Moving Cost Estimate

EXIT Agents in Belmont

Listing Courtesy: Landmark Real Estate Services - 6509959300

Presented by: Abe Matar

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-05-07 and/or other sources. All data, including 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.

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The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange (IDX) program of one or more Multiple Listing Services (MLS). Listing information is deemed reliable but is not guaranteed accurate. Copyright © EXIT Realty® and respective MLS providers.

Data provided by CRMLS_MLSL. MLS® Listing#ML82046157. © 2026EXIT Realty®. All rights reserved.