San Mateo County, CA Apartment Buildings for Sale

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Updated: Jun 12

Five-Unit Multifamily Apartment Building

1821-1823 Oak Street, San Francisco, CA 94117

$1,995,000

4,457 sqft 0.08 AC lot

Located in the highly desirable NOPA neighborhood of San Francisco.
Five‑unit apartment building with a mix of unit types (3 x 2‑bed/1‑bath, 1 x 1‑bed/1‑bath, 1 x studio).
Stable in‑place income with attractive future rental upside potential.
Extensive system and capital improvements, including earthquake retrofit and updated electrical systems.
Large, landscaped rear yard**, an uncommon amenity in San Francisco.

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Updated: Aug 3

Six-Unit Apartment Building with Rooftop Deck

2334 California Street, San Francisco, CA 94115

$4,650,000

5,500 sqft

Six‑unit multifamily property with a reported 5,500 square feet
Three one‑bedroom / one‑bathroom flats, two garden studios, and a two‑story owner's residence
Owner's residence spans over 2,000 square feet and includes three bedrooms and four bathrooms
Private rooftop deck with panoramic city views and built‑in sauna
Shared side courtyard and rear backyard

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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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See what stands out in San Mateo County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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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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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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Six-Unit Apartment Building

20 Joice Street, San Francisco, CA 94108

$1,495,000

3,750 sqft 0.03 AC lot

Fully occupied property offers a mix of studio and one-bedroom apartments with public water and sewer service.

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15-Unit Apartment Building

431 44th Avenue, San Francisco, CA 94121

$4,950,000

12,456 sqft 0.14 AC lot

Unit mix includes studios, one-bedroom, and two-bedroom apartments with on-site parking.

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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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Five-Unit Apartment Building

1217-1219 Kearny Street, San Francisco, CA 94133

$2,397,000

3,240 sqft 0.03 AC lot

Newly painted, three-story property with a rooftop deck and varied apartment layouts.

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Five-Unit Apartment Building

820 Winchester Dr, Burlingame, CA 94010

$1,698,000

4,207 sqft

Occupied multifamily property with a varied unit mix, on-site parking, and access to downtown amenities and major commuter routes.

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Six-Unit Apartment Building

110 6th St, San Francisco, CA 94103

$3,600,000

7,920 sqft

Classic apartments offer varied layouts, resident parking, and select modernized finishes.

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Mixed-Use Hotel and SRO Building

725 Geary Street, San Francisco, CA 94109

$2,995,000

4,986 sqft

Mixed-use building featuring 7 hotel rooms, 15 SRO units, and ground-floor commercial space with three vacant units.

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Six-Unit Multifamily Residence

2334 California Street, San Francisco, CA 94115

$4,650,000

5,500 sqft

Fully occupied six-unit property with shared side courtyard and a walk-up entrance for three one-bedroom units.

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Six-Unit Apartment Building

1874 Vallejo St, San Francisco, CA 94123

$3,400,000

6,681 sqft 0.08 AC lot

Fully occupied one-bedroom apartments in a 1924 building with RM-1 zoning.

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North Beach Multifamily Property

717-723 Union Street, San Francisco, CA 94133

$4,900,000

7,682 sqft

Seven-unit multifamily on one parcel across two buildings, including a detached 4-bedroom carriage house.

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5-Unit Apartment Building with Garage

214 88th St, Daly City, CA 94015

$1,595,000

5,833 sqft

Tenant-occupied residences offer varied layouts, updated interiors, and on-site laundry.

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Mixed-Use Building with Ground Retail

750-754 Pacific Avenue, San Francisco, CA 94133

$2,250,000

12,222 sqft 0.09 AC lot

Three-story mixed-use building features two ground-floor commercial units and 36 SRO rooms above.

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San Mateo Multifamily Investment Opportunity

1504 Claremont Street, San Mateo, CA 94402

$2,980,000

5,911 sqft 0.24 AC lot

8-unit apartment community in San Mateo, near downtown and transportation.

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Eight-Unit Apartment Building

736 Cedar Street, Redwood City, CA 94063

$2,595,000

5,310 sqft 0.23 AC lot

Multifamily property with upgraded electrical service, on-site parking, laundry hookups, and tenant storage sheds.

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Six-Unit Apartment Building

1254 48th Avenue, San Francisco, CA 94122

$2,150,000

4,070 sqft

Multifamily property with two-bedroom and studio residences, separate utility meters, and on-site parking.

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Ten-Unit Walk-Up Apartment Building

Menlo Park, CA 94025

$6,500,000

13,139 sqft 0.29 AC lot

Ten-unit, two-story walk-up building with exterior unit entrances and enclosed parking.

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10-Unit Renovated Apartment Building

630 Masonic Way, Belmont, CA 94002

$3,840,245

10,048 sqft 0.23 AC lot

Ten one-bedroom, one-bathroom residences include private patios or balconies at seven units.

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Five-Unit Multifamily Property

1129 Willow Rd, Menlo Park, CA 94025

$1,728,000

3,852 sqft 0.14 AC lot

Constructed in 1951, this five-unit multifamily asset features private garage parking and maintained front lawn areas.

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San Francisco Multifamily Investment Opportunity

282 Valley St, San Francisco, CA 94131

$3,280,000

5,950 sqft

Six-unit property with income and rental upside in San Francisco.

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San Mateo County, CA Apartment Buildings Market Trends and Statistics

Explore 228 apartment buildings for sale in San Mateo County, CA, showcased through 228 active listings on our real estate platform. These investment opportunities span a total of 1,413,438 square feet of properties for sale, with an estimated market value of $475,478,816.

Sale prices for two-family homes in San Mateo County, CA start at $1,000,000, averaging $4,063,921, 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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