143145 N N. Humboldt Street San Mateo, CA ^$ 1,780,000

143145 N N. Humboldt Street

^$ 1,780,000

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Recently Listed

143145 N N. Humboldt Street

San Mateo, CA, 94401

^$ 1,780,000

Studio Baths0.0 Sq 4,008

Monthly Estimate*

^$ 11,239

Listed by WEM Pacific Investment Inc.

143145 N N. Humboldt Street, San Mateo, CA 94401 - Image 1

143145 N N. Humboldt Street, San Mateo, CA 94401 - Image 2

143145 N N. Humboldt Street, San Mateo, CA 94401 - Image 3

143145 N N. Humboldt Street, San Mateo, CA 94401 - Image 4

143145 N N. Humboldt Street, San Mateo, CA 94401 - Image 5

Studio

Multi-Family Home for sale in San Mateo, CA

for $1,780,000. This 4,008 square foot home was built in 1986 on a lot size of 0.1745.

Exceptional duplex investment opportunity in a desirable San Mateo location! Build in 1986, this well-maintained property features two spacious 3 bedroom, 2.5-baths units, each with an attached one-car garage, private driveway parking, and generous living space. Large rear yard offers excellent potential to add an ADU or explore future expansion possibilities(Buyer to verify with the City of San Mateo). Ideally located just minutes from vibrant Downtown San Mateo, Caltrain, shopping, dining, parks, and major commute routes including Highways 101 and 92. An outstanding opportunity for investors or owner-occupants seeking strong rental income and long-term upside.

Multi-Family Active

Price

^$ 1,780,000

Bedrooms

Studio

Property Type

Multi-Family

Taxes

^$ 18,903

Style

Lot Size

0.1745

Year Built

1986

Town/City

San Mateo

County/Region

San Mateo

MLS | Web ID

ML82056708

Days on Market

Features

General

Living Area 4008

Sewer Public Sewer

Cooling None

Roof Other

Zoning R20000

Garage Spaces 2

Year Built 1986

Property Subtype Duplex

Accessibility None

County San Mateo

Insurance Expense 3700

Property Type Residential Income

HOA false

MaintenanceExpense 0

Garage Y/N true

Special Listing Conditions Standard

Status Active

City San Mateo

High School District Other

MLS Area 699 - Not Defined

Lot Size Units Square Feet

Lot Size Square Feet 7602

Carport Spaces 0

Tax Annual Amount 18903

Trash Expense 0

Standard Status Active

Occupancy Type Tenant

Year Built Source Assessor

Property Sub Type Additional Duplex

Cap Rate 3.67

Interior

Total Stories 2

Air Conditioning Y/N true

Heating Y/N true

Total Baths 0

Exterior

Water Source Public

Total Parking 0

Lot Size Area 7602

Foundation Details None

Number of Buildings 2

Building Area Total 4008

Lot Size Acres 0.1745

Lot Size Source Assessor

* Excluded Features

List By

Wem Pacific Investment Inc.

Broker

wendyng682@gmail.com

Affordability Calculator

$12,814

Per Month

Monthly Principal & Interest: $11,239
Monthly Property Taxes: $1,575
Monthly Home Insurance: --

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Multi-family listings in San Mateo, CA

Average List Price ^$2,181,081

Percent of Sale Price 23%

About San Mateo, CA

105,907 Population

14% Since 2002

^$102,688 Median Income

41.09 Median Age

27% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

4827337 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
8/5/2026	$1,780,000		Listed Price

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143145 N N. Humboldt Street, San Mateo, CA, 94401 is a Multi-Family Home for sale at $1,780,000 with 4,008 sqft and a lot size of 0.1745. 143145 N N. Humboldt Street is a studio with 0.0 baths and was built in 1986. The property's zip code is 94401 which is in San Mateo, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 8/6/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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143145 N N. Humboldt Street

Multi-Family Home for sale in San Mateo, CA

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