San Mateo County, CA Multifamily Properties for Sale

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Updated: Aug 7

Victorian Triplex With Detached Cottage

315-319 10th Street, San Francisco, CA 94103

$1,725,000

4,576 sqft 0.06 AC lot

Three‑unit Victorian property with 4,576 square feet
Two vacant remodeled units, including the upper‑level flat
Two 3‑bedroom, 1‑bath flats with approximately 10‑foot ceilings
Detached legal 1‑bedroom, 1‑bath cottage
0.0574‑acre parcel with garage parking

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315-319 10th Street, San Francisco, CA 94103

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Est. Cap Rate

8.6%
Above avg (5.9%)
Est. NOI

$149K
Annual
Price @ 7% Cap

$2.12M
Above asking
Property Type

Triplex
Built 1908

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Updated: Jul 30

Three-Unit Residential Triplex

177 Poplar AVE, Redwood City, CA 94061

$1,650,000

4,530 sqft 0.17 AC lot

Triplex with two 2‑bedroom, 1‑bath units and one 3‑bedroom, 2‑bath unit
4,530 square feet of living area on a 7,500‑square‑foot lot
Private attached garage for each residence
One unit includes a large yard
Built in 1978; wood‑frame construction with a metal roof

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Five-Unit Multifamily Apartment Building

1821-1823 Oak Street, San Francisco, CA 94117

$1,995,000

4,457 sqft 0.08 AC lot

Well-maintained five-unit building with separate utilities, capital improvements, and a landscaped rear yard.

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Six-Unit Apartment Building with Rooftop Deck

2334 California Street, San Francisco, CA 94115

$4,650,000

5,500 sqft

Converted mansion-style property with varied residences, shared outdoor space, and access to Fillmore Street amenities.

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Mixed-Use Property with Retail

1625 Palmetto Avenue, Pacifica, CA 94044

$2,998,000

7,480 sqft 0.25 AC lot

Pacifica asset combining one-bedroom residences, retail layouts, balconies, garage parking, and on-site laundry.

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3-Unit Triplex with Owner’s Residence

2275 California Street, San Francisco, CA 94115

$4,500,000

6,000 sqft

Three-unit property combines two occupied flats with a larger residence available vacant at closing.

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Character Duplex with Garage

3122-3124 Pierce Street, San Francisco, CA 94123

$2,895,000

3,624 sqft 0.05 AC lot

Updated kitchens and baths, period details, storage, and a backyard complement the two residences.

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Five-Unit Apartment Building Near Ocean

15 Santa Maria AVE, Pacifica, CA 94044

$1,900,000

4,111 sqft 0.17 AC lot

Pacifica multifamily property with separate utility metering, garage parking, and recent permitted system upgrades.

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Remodeled Coastal Duplex

Cypress AVE, Moss Beach, CA 94038

$1,198,888

1,190 sqft 0.13 AC lot

Two residential units offer flexible occupancy, rental, or extended-family use near Moss Beach’s coastal amenities.

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Mixed-Use Property with Restaurant

215-219 Church Street, San Francisco, CA 94114

$3,850,000

5,674 sqft

Fully leased building combines a neighborhood restaurant with two residential flats and updated interiors.

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Mixed-Use Building with Garage Parking

2937 Mission Street, San Francisco, CA 94110

$2,600,000

5,370 sqft

Remodeled apartments accompany a leased ground-floor commercial space with separately metered utilities.

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Victorian Duplex with Private Outdoor Spaces

4380 24th ST, San Francisco, CA 94114

$2,498,000

1,760 sqft 0.04 AC lot

Two tenant-occupied residences offer distinct layouts, private outdoor areas, and in-unit laundry.

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Two-Unit Duplex with Central Heating

646-648 Madrid Street, San Francisco, CA 94112

$1,150,000

1,400 sqft 0.06 AC lot

Two-unit duplex featuring central heating, public utilities, and a large backyard plus basement storage area.

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Apartment Building With Commercial Space

239 Hugo St, San Francisco, CA 94122

$2,175,000

6,696 sqft 0.08 AC lot

Five-unit property combines residential apartments, a ground-floor commercial space, and on-site parking in the Inner Sunset neighborhood.

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14-Unit Apartment Building

611 Minna Street, San Francisco, CA 94103

$3,100,000

4,740 sqft 0.05 AC lot

Studios and junior one-bedroom apartments include shared laundry facilities across a well-maintained San Francisco property.

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Vacant Duplex with In-Law Unit

15 -17 Harriet ST, San Francisco, CA 94103

$1,399,000

2,700 sqft 0.03 AC lot

Two updated residences provide separate layouts, laundry arrangements, hardwood flooring, and stainless-steel kitchen appliances.

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Triplex with Private Garages

177 Poplar Avenue, Redwood City, CA 94061

$1,650,000

4,530 sqft 0.17 AC lot

Three-unit property offers varied bedroom layouts and an owner-occupancy option.

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Three-Level Victorian Duplex Property

271 Austin ST, San Francisco, CA 94109

$1,499,999

2,721 sqft 0.03 AC lot

Vacant property with NC3 zoning and an existing office configuration across three levels.

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Six-Unit Apartment Building

521 Arguello Boulevard, San Francisco, CA 94118

$2,600,000

4,524 sqft

Renovated kitchens, secure entry, laundry, and on-site parking support practical apartment operations.

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Duplex with Garage Parking

2025-2027 Lincoln Way, San Francisco, CA 94122

$1,195,000

3,350 sqft 0.06 AC lot

Two comparable flats offer fireplaces, formal dining rooms, updated kitchens, and in-unit laundry facilities.

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Duplex with Four-Car Garages

1661 Kansas Street, Redwood City, CA 94061

$2,200,000

4,098 sqft

Two residences offer separate living areas, private outdoor space, and dedicated garage parking.

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Edwardian Duplex with ADU Permits

3323-3325 26th Street, San Francisco, CA 94110

$1,695,000

2,870 sqft 0.07 AC lot

Two separate flats offer three-bedroom layouts, central heating, storage, and access to a lower-level expansion area.

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Nine-Unit Apartment Building

500 Greenwich Street, San Francisco, CA 94133

$2,995,000

5,832 sqft 0.05 AC lot

Historic wood-frame property with secured entry, on-site laundry, storage, and parking.

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Residential Hotel With Retail Space

734-740 Broadway, San Francisco, CA 94133

$5,880,000

14,992 sqft 0.09 AC lot

The property combines residential rooms with ground-floor commercial spaces in San Francisco’s North Beach and Chinatown area.

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San Mateo County, CA Multifamily Properties Market Trends and Statistics

Explore 656 multifamily properties for sale in San Mateo County, CA, showcased through 656 active listings on our real estate platform. These investment opportunities span a total of 2,285,011 square feet of properties for sale, with an estimated market value of $1,132,930,036.

Sale prices for multifamily properties in San Mateo County, CA start at $55,000, averaging $2,811,240, and reaching up to $20,280,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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