San Mateo County, CA Duplexes for Sale

List

Map

Los Angeles, CA San Diego, CA Lancaster, CA Oakland, CA San Francisco, CA Fresno, CA Sacramento, CA Long Beach, CA

45 properties

Sort:

Updated: Jun 22

Duplex with Vacant Three-Bed Unit

616-618 Masonic AVE, San Francisco, CA 94117

$1,798,000

3,965 sqft 0.06 AC lot

Two‑unit property at 616‑618 Masonic Avenue with central forced air heating and attached garage parking
Unit mix includes a 2‑bedroom, 1‑bath unit currently generating income and a vacant 3‑bedroom, 1.5‑bath unit
Year built: 1919
Public water source available
Close to University of San Francisco, Panhandle, Panhandle Park, public transportation, and neighborhood retail and dining

View details

This listing looks promising.

Here's a quick look at some key insights for

616-618 Masonic AVE, SAN FRANCISCO, CA 94117

View Property Analytics

Est. Cap Rate

7.8%
Above avg (5.9%)
Est. NOI

$141K
Annual
Price @ 7% Cap

$2.01M
Above asking

View Property Analytics

Updated: Jun 1

Duplex with Tandem Garage and Backyard

710-712 9Th Ave, San Francisco, CA 94118

$1,699,000

2,912 sqft 0.06 AC lot

Inner Richmond duplex built in 1911 with public water and public sewer
Upper unit: 3 bedrooms, spacious living room, formal dining area, dedicated laundry area, and large kitchen
Lower unit: similar layout with one fewer bedroom for flexible rental or multi‑generational use
Hardwood floors and forced‑air heating
Tandem garage with ample storage, plus possible to remodel into living space (buyer to verify feasibility, permits, and zoning)

View details

Duplex with Bonus Ground-Floor Room

1630 Oakdale AVE, San Francisco, CA 94124

$1,628,000

2,750 sqft 0.06 AC lot

Duplex with two 3-bedroom, 2-bath units plus a ground-floor bonus room and bath, with side-by-side 2-car garage.

View details

Mixed-Use Property with Restaurant

215-219 Church Street, San Francisco, CA 94114

$3,850,000

5,674 sqft 0.07 AC lot

Fully leased ground-floor restaurant with two occupied residential flats above, featuring updated kitchens and bathrooms.

View details

Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center

Updated Duplex With Spacious Backyard

Cypress AVE, Moss Beach, CA 94038

$1,198,888

1,190 sqft 0.13 AC lot

Updated duplex with a 2-bedroom, 1-bath upper unit and 1-bedroom, 1-bath lower unit, plus a large backyard.

View details

Charming Duplex with Detached Garage

515 S Fremont ST, San Mateo, CA 94402

$1,799,000

2,220 sqft 0.14 AC lot

Two separate residences with in-unit laundry and a detached 2-car garage, offering flexible owner-occupant or rental use.

View details

Victorian Duplex with Solarium

2654-2656 Bush St, San Francisco, CA 94115

$2,500,000

2,502 sqft 0.06 AC lot

Victorian duplex with a remodeled upper unit, solarium enclosure, and shared backyard plus attached garage for everyday convenience.

View details

Reimagined Duplex with Outdoor Patios

333-335 Crestmont Drive, San Francisco, CA 94131

$1,998,000

2,870 sqft 0.09 AC lot

A renovated two-residence duplex offering in-home laundry and private outdoor space for flexible living or rental use.

View details

Renovated Duplex with Roof Deck

31-33 Prescott Court, San Francisco, CA 94133

$2,995,000

2,460 sqft 0.03 AC lot

Modern renovated duplex offers a roof-decked upper unit and a vacant lower unit with garage parking and interior access.

View details

Victorian Duplex with Legal Lower Unit

482 Frederick Street, San Francisco, CA 94117

$2,695,000

2,371 sqft 0.08 AC lot

Victorian multifamily property offering a main residence and a separate legal 2BR/1BA lower-level residence.

View details

Potrero Hill Vacant Duplex

2109 22nd St, San Francisco, CA 94107

$850,000

752 sqft 0.04 AC lot

Vacant duplex in coveted Potrero Hill neighborhood.

View details

Updated Duplex with Roof Deck

256 Mullen Avenue, San Francisco, CA 94110

$1,795,000

2,773 sqft 0.04 AC lot

Updated duplex offers a live-and-rent setup with a private roof deck, patio, and in-unit laundry for each residence.

View details

Remodeled Duplex with Garage Studio

766 Arnold WAY, Half Moon Bay, CA 94019

$1,288,000

1,908 sqft 0.11 AC lot

Well-maintained duplex features a remodeled 3-bedroom home plus a separate studio above the garage.

View details

Duplex for Owner-Occupant or Investor

1318 Hudson St, Redwood City, CA 94061

$1,375,000

1,749 sqft 0.10 AC lot

Two-unit property offering flexibility to live in one unit and rent the other, or lease both units.

View details

Duplex with Vacant Lower Unit

1913 Oakdale Avenue, San Francisco, CA 94124

$1,200,000

3,000 sqft 0.06 AC lot

Built in 1992 duplex featuring two 3BR/2BA flats, including a vacant lower unit.

View details

Side-by-Side Duplex With En-Suite

440 Millbrae AVE, Millbrae, CA 94030

$2,600,000

3,719 sqft 0.14 AC lot

Two identical side-by-side units each offer three bedrooms and two full baths, currently occupied on month-to-month tenancies.

View details

Two-Unit Duplex with Private Yards

901 Fifteenth AVE, Redwood City, CA 94063

$1,599,000

2,090 sqft 0.18 AC lot

Duplex offers two 2-bedroom, 1-bath homes with garages, parking, and private outdoor space on each side.

View details

Edwardian Duplex Flats with Parking

68-70 Lynch Street, San Francisco, CA 94109

$1,149,000

2,090 sqft 0.03 AC lot

Two full-floor Edwardian flats include parking, a roof deck, and period features for an owner-occupant or rental setup.

View details

Mixed-Use Duplex with Office Unit

5480 Mission ST, San Francisco, CA 94112

$999,000

2,500 sqft 0.05 AC lot

Duplex offers a 2 bed/2 bath residence plus an additional office-style unit under NC2 zoning.

View details

Vacant Duplex With Finished Basement

2083-2085 San Jose Avenue, San Francisco, CA 94112

$1,589,000

2,086 sqft 0.05 AC lot

Two-unit duplex delivered vacant, featuring a finished basement and flexible living configurations for long-term renters or owner-occupants.

View details

Duplex with Two Attached Garages

109 Hobart Ave, San Mateo, CA 94402

$2,600,000

3,686 sqft 0.20 AC lot

Renovation-ready 1948 duplex with three-bedroom layouts, separate utility metering, and two attached garages.

View details

Noe Valley Multifamily Opportunity

1525 Church St, San Francisco, CA 94131

$1,175,000

3,100 sqft 0.03 AC lot

Two units with potential in desirable Noe Valley.

View details

Modern Two-Residence Multifamily

1281-1283 Greenwich Street, San Francisco, CA 94109

$19,500,000

5,456 sqft 0.05 AC lot

Contemporary two-residence building with private elevator and gated porte-cochere, designed with upscale finishes and multiple entertaining areas.

View details

Duplex with Private Rear Yard

32393241 Clement Street, San Francisco, CA 94121

$1,825,000

3,400 sqft 0.06 AC lot

Two-unit duplex in San Francisco with a vacant unit, separate utilities, and private outdoor space.

View details

San Mateo County, CA Duplexes Market Trends and Statistics

Explore 45 duplexes for sale in San Mateo County, CA, showcased through 45 active listings on our real estate platform. These investment opportunities span a total of 128,583 square feet of properties for sale, with an estimated market value of $96,143,888.

Sale prices for duplexes in San Mateo County, CA start at $650,000, averaging $2,136,530, and reaching up to $19,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

List

Map