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$2,788,000 Just Listed
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Property 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.
Full Property Details
Full Property Details for 1000 O Neill St
General
- Price: $2,788,000
- Status: Active
- Type: Duplex
- Source: RE_Infolink
- MLS ID: ML82046157
- Updated: 5/7/2026
- Added to Site: 1 day(s) ago
Interior
- Flooring: Carpet, Tile, Vinyl / Linoleum
Rooms
Other Rooms
- Kitchen: Gas Cooktop, Laminate Countertop, Dishwasher, Exhaust Fan, Refrigerator
- Laundry: Washer / Dryer
Additional Information
- Extras: Not Applicable
- Security/Safety: Fire Sprinkler System
Parking
- Garage Spaces: 2
- Parking Features: Detached Garage
Location
- Area: Carlmont
- County: San Mateo
- Cross Streets: 6th Avenue
Heating & Cooling
- Cooling Type: None
- Heating Type: Central Air (Forced Air)
Utilities
- Sewer: Public Sewer, Sewer Connected
- Water: Individual Water Meter, Public
- Utility Description: Individual Electric Meters, Individual Gas Meters, Public Utilities
- Metering: Separate Electric, Separate Gas, Separate Water
Structural Information
- Foundation: Concrete Perimeter
- Roof: Shingle
- Disability Access: None
- Square Feet: 3,023
- Year Built: 1885
Unit Information
Unit 1
- Square Feet: 1445
- Bedrooms: 3
Unit 2
- Square Feet: 1495
- Bedrooms: 3
Lot Features
- Minimum Lot Size: 17774
- Lot Size (Sq. Ft.): 17,774
- Building Sites: 1
- Zoning: R10006
Listed by Landmark Real Estate Services, Abe Matar
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Schools
Schools serving 1000 O Neill St
School Districts:Belmont-Redwood Shores Elementary School District, Sequoia Union High School District
| Name | Grades | Distance |
|---|---|---|
Central Elementary School, Belmont, CA 525 Middle Road, Belmont, CA 94002 | K-5 | 0.6 mi |
Ralston Intermediate School 2675 Ralston Avenue, Belmont, CA 94002 | 6-8 | 2.1 mi |
Carlmont High School 1400 Alameda de las Pulgas, Belmont, CA 94002 | 9-12 | 1.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 1000 O Neill St
Date
Details
Price
Change
Source
5/07/2026
Listed
$2,788,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 1000 O Neill St
Year
Property Taxes
Change
Tax Assessment
Change
2024
100%
$25,000
9%
2020
100%
$23,000
—
2019
—
$23,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 1000 O Neill St
1000 O Neill St, Belmont, CA 94002 (MLS# ML82046157) is a Duplex property with 0 bedrooms and 0 full bathrooms. 1000 O Neill St is currently listed for $2,788,000 and was received on May 07, 2026. Want to learn more about 1000 O Neill St? Do you have questions about finding other Duplex real estate for sale in Carlmont? You can browse all Carlmont real estate or contact a Coldwell Banker agent to request more information.

