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San Mateo, CA Office Spaces for Sale

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New Medical/Dental Condo For Sale
Updated: Jun 19, 2025
New Medical/Dental Condo For Sale

420 Peninsula Avenue #3, San Mateo, CA 94401

$1,499,000
4,000 sqft
Prime location on the San Mateo/Burlingame border in a high‑traffic area.
Turnkey medical/dental condo ready for immediate occupancy.
Three fully plumbed operatories ready for equipment installation.
Newly constructed in 2019 with high‑quality materials and finishes.
ADA‑compliant access and wheelchair lift.
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This listing looks promising.

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420 Peninsula Avenue #3, SAN MATEO, CA 94401

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Remodeled Mixed-Use Property
Updated: Aug 10
Remodeled Mixed-Use Property

869 WOODSIDE WAY, San Mateo, CA 94401

$1,648,000
2,317 sqft 0.05 AC lot
2,317‑square‑foot mixed‑use property on a 0.0509‑acre lot
Commercial unit remodeled in 2023 with storefront frontage and large display windows
Separate upper‑level residential unit with new kitchen and updated bathroom
Enhanced commercial‑grade 220V electrical capacity and Title 24‑compliant lighting
Integrated HVAC, new hot water heater, updated restroom, and laminate flooring
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Remodeled Mixed-Use Property
Remodeled Mixed-Use Property

869 Woodside Way, San Mateo, CA 94401

$1,648,000
2,317 sqft 0.05 AC lot

Street-level commercial space with display windows, separate residential access, and rear alley parking.

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Office Building with Private Offices
Office Building with Private Offices

422426 Peninsula Avenue, San Mateo, CA 94401

$1,999,999
3,456 sqft

Professional layout includes reception, conference, break-room, restroom, and outdoor patio areas.

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Two-Story Flex Space with Lease
Two-Story Flex Space with Lease

83 E 21st Ave, San Mateo, CA 94403

Contact for pricing
6,911 sqft

Ground floor storage/shop includes a Comcast lease through 12-14-2029, with second-floor office and spa-style amenities.

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Mixed-Use Retail and Office Building
Mixed-Use Retail and Office Building

65-71 E 3rd Ave, San Mateo, CA 94401

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10,672 sqft

A 100% leased retail property with second-floor office space, offered in a transit-oriented San Mateo location.

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Freestanding Class A Office Building
Freestanding Class A Office Building

100 N El Camino Real, San Mateo, CA 94401

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5,338 sqft

Turn-key freestanding office building offering class A finishes in a single, 5,338-square-foot improvement.

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Live-Work Mixed-Use Building with Two Car Garage
Live-Work Mixed-Use Building with Two Car Garage

871 Woodside Way, San Mateo, CA 94401

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2,242 sqft

Two-story wood-frame building with ground-floor office and a private residential unit above, plus two-car garage access.

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San Mateo Office Building
San Mateo Office Building

1 Baywood Ave, San Mateo, CA 94402

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10,960 sqft

Office building with 10,960 square feet of space.

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San Mateo Mixed-Use Investment
San Mateo Mixed-Use Investment

22 - 26 25th Avenue, San Mateo, CA 94403

$1,995,000
2,870 sqft

Fully leased mixed-use building in high-traffic San Mateo location.

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Office Building with 13,727 SF
Office Building with 13,727 SF

2301 Flores Street, San Mateo, CA 94403

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13,727 sqft

Office building offered for sale with 13,727 SF available.

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Medical Dental Condo Unit
Medical Dental Condo Unit

420 Peninsula Avenue, Unit 2, San Mateo, CA 94401

$3,000,000

Newly renovated condo with waiting room, front desk, and three plumbed operatories plus ADA features.

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Medical Office Space with Wheelchair Lift
Medical Office Space with Wheelchair Lift

420 Peninsula Avenue, Unit 3, San Mateo, CA 94401

$3,000,000

Medical/dental condo with ADA access, wheelchair lift, private restroom, and three fully plumbed operatories.

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Downtown Office Space
Downtown Office Space

111 E 5th Ave, San Mateo, CA 94401

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Office space in a downtown San Mateo setting with an existing lease in place.

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Based on your search, we've compiled 77 Potential Opportunities for your consideration. Besides 14 Active listings in San Mateo, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 58 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

Opportunities in Nearby Cities

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

Cold Shell Office Suite
Cold Shell Office Suite

101a-600 El Camino Real, Belmont, CA 94002

$3,000,000
3,057 sqft

Cold shell office suite with dedicated parking and flexible space for professional or healthcare use in a mixed-use setting.

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Third-Floor Office Condo
Third-Floor Office Condo

304-345 Lorton Ave, Burlingame, CA 94010

$925,000
720 sqft

Open workspace with a private balcony, kitchenette, and assigned underground parking.

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Built-Out Professional Office Condo
Built-Out Professional Office Condo

101c-600 El Camino Real, Belmont, CA 94002

$2,500,000

Move-in-ready office suite with nine private offices, a conference room, and dedicated parking in a mixed-use development.

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Single-Story Mixed-Use Building
Single-Story Mixed-Use Building

140 Myrtle Rd, Burlingame, CA 94010

Contact for pricing

Single-story building offered for fee-simple purchase with MMU zoning in the Downtown Specific Plan Area.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Entitled Mixed-Use Development Opportunity
Entitled Mixed-Use Development Opportunity

25A Orinda Way, Orinda, CA 94563

Contact for pricing

Permit-ready mixed-use development site in downtown Orinda.

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Off-Market Properties in San Mateo, CA

Consider similar Off-Market properties in San Mateo, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

2 3rd Ave
OFFICE BUILDING (MULTI-STORY)

2 3rd Ave, San Mateo, CA 94401-4285

$8,035,000
Estimated value
24,780 sqft 0.20 AC lot
View details
2015 Pioneer Ct
OFFICE BUILDING (MULTI-STORY)

2015 Pioneer Ct, San Mateo, CA 94403-1781

$5,650,000
Estimated value
0.44 AC lot
View details
1 Baywood Ave
PROFESSIONAL BUILDING

1 Baywood Ave, San Mateo, CA 94402-1523

$790,000
Estimated value
0.49 AC lot
View details
1840 Gtwy Dr
OFFICE BUILDING (MULTI-STORY)

1840 Gtwy Dr, San Mateo, CA 94404-4027

$12,160,000
Estimated value
69,000 sqft 2.54 AC lot
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215 San Mateo Dr
PROFESSIONAL BUILDING

215 San Mateo Dr, San Mateo, CA 94401-2622

Value Estimation by Request
6,250 sqft 0.33 AC lot
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330 Claremont St
OFFICE BUILDING (MULTI-STORY)

330 Claremont St, San Mateo, CA 94401-3314

$22,995,000
Estimated value
65,625 sqft 0.51 AC lot
View details
1700 El Camino Real
OFFICE BUILDING (MULTI-STORY)

1700 El Camino Real, San Mateo, CA 94402-3047

$13,110,000
Estimated value
77,715 sqft 3.10 AC lot
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675 Mariners Is Blvd Ste, Unit 109
PROFESSIONAL BUILDING

675 Mariners Is Blvd Ste, San Mateo, CA 94404-1040

Unit 109
$240,000
Estimated value
0.04 AC lot
View details
2070 Pioneer Ct
OFFICE BUILDING (MULTI-STORY)

2070 Pioneer Ct, San Mateo, CA 94403-1720

$1,070,000
Estimated value
0.30 AC lot
View details
1919 Ofarrell St
PROFESSIONAL BUILDING

1919 Ofarrell St, San Mateo, CA 94403-1384

$2,250,000
Estimated value
3,798 sqft 0.69 AC lot
View details

San Mateo, CA Office Spaces Market Trends and Statistics

Explore 72 office spaces for sale in San Mateo, CA, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 64,810 square feet of properties for sale, with an estimated market value of $14,789,999.

Sale prices for office spaces in San Mateo, CA start at $1,499,000, averaging $2,112,857, and reaching up to $3,000,000 — 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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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Office Units 90
Office buildings 52
Medical Office Space 12
Coworking space 3
Creative space 3

Demographics Overview

Population 141K
Population Growth (5Y) -1.2%
Median Household Income $165,615
College Educated 74.2%

High-Yield Neighborhoods for Investment

Identify San Mateo submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood Average Price
94403 $2M
94401 $2.3M

Taxes & Financing

Tax Rate (average for all types) 1.30%
Property Tax per SF $7.54 per SF
Tax Rate vs County Average 0.17 pp above county avg
Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in San Mateo County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

For-sale pricing trends across core commercial property types in San Mateo County

Retail

Residential Income

Property Size Breakdown

The majority of commercial real estate listings in San Mateo fall within the 100,000+ square foot range.

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