San Mateo, CA Duplexes for sale

Updated: Aug 12

Duplex With Attached Garages

143145 N N. Humboldt Street, San Mateo, CA 94401

$1,780,000

4,008 sqft

Two 3‑bedroom, 2.5‑bath units
Attached one‑car garage for each unit
Private driveway parking
Large rear yard with potential for an ADU or future expansion, subject to City of San Mateo verification
Built in 1986

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Updated: Jun 28

Duplex with Two Attached Garages

109 Hobart Ave, San Mateo, CA 94402

$2,600,000

3,686 sqft 0.20 AC lot

Duplex property on an 8,752 SF lot; originally constructed in 1948.
Gross building size of 3,686 SF with three‑bedroom floor plans in each unit.
Each unit has separate utility metering for flexible multifamily or owner‑user operation.
Two attached car garages plus a patio and a spacious backyard.
Within one mile of San Mateo Central Park and Downtown San Mateo.

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Two-Bedroom Duplex Investment Property

4 Warren Rd, San Mateo, CA 94401

$2,328,000

3,450 sqft 0.16 AC lot

Duplex with two-bedroom floor plans near downtown amenities and regional transportation connections.

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Two-Unit Duplex with Garages

109 Hobart Avenue, San Mateo, CA 94402

$2,526,000

3,686 sqft

Central forced air and a private rear outdoor area support comfortable residential occupancy.

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Duplex with Detached Garage

911 Seville Way, San Mateo, CA 94402

$1,650,000

1,720 sqft

Two-unit residential property near Downtown San Mateo with regional highway access.

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Mixed-Use Building With Retail

201-203 S Delaware Street, San Mateo, CA 94401

Contact for pricing

5,075 sqft 0.13 AC lot

Two street-facing retail spaces complement two upstairs apartments in a manageable mixed-use configuration.

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Duplex with Separate Meters

San Mateo, CA 94401

$1,650,000

0.15 AC lot

Two spacious residences offer flexible owner-use and rental-income potential, with private garages and in-unit laundry.

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Two-Unit Duplex with Garage Parking

San Mateo, CA 94401

$1,825,000

Two spacious residences feature three-bedroom, two-bath layouts with central forced air.

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Single-Level Duplex with Updated Kitchen

San Mateo, CA 94403

$1,875,000

Two residential units feature eat-in kitchens, hardwood flooring, separate utility metering, and an expansive backyard.

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Traditional Duplex

San Mateo, CA 94403

$2,070,000

San Mateo duplex with central air, forced-air heating, and off-street assigned parking.

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Two-Residence Townhouse Duplex

1710-1712 Gum ST, San Mateo, CA 94402

$2,398,000

Two attached homes provide private garages, balconies, and flexible owner-occupant or rental use.

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Based on your search, we've compiled 15 Potential Opportunities for your consideration. Besides 11 Active listings in San Mateo, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Two-Unit Duplex with Conversion Plans

1041 Paloma Avenue, Burlingame, CA 94010

$2,100,000

2,652 sqft 0.16 AC lot

Separate residences offer flexible living arrangements, private laundry, a backyard, basement storage, and a carport.

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Duplex with Separate Garages

449 Angus Avenue, San Bruno, CA 94066

$1,199,000

1,220 sqft

Two separately accessed units include private rear yards and individual garages.

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Updated Single-Story Duplex

772-774 Walnut Street, San Bruno, CA 94066

Contact for pricing

1,362 sqft 0.06 AC lot

Two remodeled residences offer in-unit laundry, enclosed garages, fenced outdoor areas, and tenant-paid utilities.

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Updated Duplex with Garages

451 Rollins Road, Burlingame, CA 94010

$1,300,000

Two refreshed residences offer private yards, in-unit laundry, and separately metered utilities.

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San Mateo, CA Duplexes Market Trends and Statistics

Explore 11 duplexes for sale in San Mateo, CA, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 21,625 square feet of properties for sale, with an estimated market value of $20,702,000.

Sale prices for duplexes in San Mateo, CA start at $1,650,000, averaging $2,070,200, and reaching up to $2,600,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Neighborhood	Average Price
94401	$1.8M
94403	$1.9M
94402	$2.1M

Neighborhood

Average Price

94401

$1.8M

94403

$1.9M

94402

$2.1M