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$1,780,000 Just Listed

  • For Sale
  • Active
  • Duplex
  • 4,008 Sq. Ft.
  • 2 Car Garage
  • Updated 6 days ago

Next open house:

Open House: 2:00 PM - 4:00 PM

Sunday 8/16 2:00 PM - 4:00 PM

143-145 N N. Humboldt St,San Mateo, CA 94401

143-145 N N. Humboldt StSan MateoCA94401

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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.

Full Property Details for 143-145 N N Humboldt St

General

  • Price: $1,780,000
  • Status: Active
  • Type: Duplex
  • Source: RE_Infolink
  • MLS ID: ML82056708
  • Updated: 8/5/2026
  • Added to Site: 6 day(s) ago

Additional Information

  • Extras: Not Applicable
  • Security/Safety: None

Parking

  • Garage Spaces: 2
  • Parking Features: Attached Garage

Location

  • Area: Bowie Estate Etc.
  • County: San Mateo

Heating & Cooling

  • Cooling Type: None
  • Heating Type: Gas

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Public Utilities
  • Metering: Separate Electric, Separate Water

Structural Information

  • Foundation: None
  • Roof: Other
  • Disability Access: None
  • Square Feet: 4,008
  • Year Built: 1986

Unit Information

Unit 1

  • Square Feet: 2000
  • Bedrooms: 3

Unit 2

  • Square Feet: 2000
  • Bedrooms: 3

Lot Features

  • Minimum Lot Size: 7602
  • Lot Size (Sq. Ft.): 7,602
  • Building Sites: 2
  • Zoning: R20000

Listed by WEM Pacific Investment Inc., Wendy L. Ng

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Listing agent

— 143-145 N N Humboldt St —

  • Wendy L. Ng

    WEM Pacific Investment Inc.

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Price & Sales History for 143-145 N N Humboldt St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/05/2026
Listed
$1,780,000
91.4%
MLS
12/10/2004
Sold
$930,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 143-145 N N Humboldt St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$18,903
—
$1,322,254
2%
2025
$18,903
—
$1,296,328
2%
2024
$18,848
—
$1,270,910
2%
2023
$18,836
4%
$1,245,992
2%
2022
$18,040
-1%
$1,221,562
2%
2021
$18,269
10%
$1,197,610
1%
2020
$16,558
5%
$1,185,330
2%
2019
$15,798
5%
$1,162,090
2%
2018
$15,026
-2%
$1,139,304
2%
2017
$15,401
2%
$1,116,966
2%
2016
$15,170
1%
$1,095,066
2%
2015
$14,993
6%
$1,078,618
2%
2014
$14,114
-3%
$1,057,490
—
2013
$14,588
—
$1,052,712
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by WEM Pacific Investment Inc., Wendy L. Ng

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143-145 N N. Humboldt St, San Mateo, CA 94401 (MLS# ML82056708) is a Duplex property with 0 bedrooms and 0 full bathrooms. 143-145 N N. Humboldt St is currently listed for $1,780,000 and was received on August 05, 2026. Want to learn more about 143-145 N N. Humboldt St? Do you have questions about finding other Duplex real estate for sale in San Mateo? You can browse all San Mateo real estate or contact a Coldwell Banker agent to request more information.

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