---
listing_id: ML82055666
status: Active
price: 1900000
beds: 9
baths_full: 9
baths_half: 2
sqft_living: 6017
sqft_lot: 7828
lot_acres: 
year_built: 1940
property_type: Residential
property_subtype: 
address: "23 S Idaho"
city: San Mateo
state: CA
zip: 94401
county: "San Mateo County"
lat: 37.572714
lng: -122.317507
days_on_market: 2
hoa_fee: 
hoa_frequency: 
garage_spaces: 3
list_agent: "Kevin Chen"
list_office: "Elmwood Capital"
list_agent_phone: "(415) 997-3338"
list_agent_license: 02407503
mls_source: MLSL
modified: 2026-07-28
transaction_type: buy
---

Home | San Mateo County | San Mateo | 94401 | 23 S Idaho

23 S Idaho, San Mateo, CA 94401

MLS: ML82055666 | Status: Active | Price: $1,900,000
Beds/Baths: 9 / 9 /2
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Sq Ft Lot Yr Built
9 9 /2 6,017 7,828 1940

Remarks

Prime development opportunity to build THREE (3) 3-bedroom single family homes in the heart of San Mateo! City approved plans for the three (3) detached homes with attached garages totaling approximately 6,017 SF. The expansive R-3 zoned 7,828 SF lot offers several exceptional development strategies. Create a brand-new detached multi-generational living compound. Live in one home, sell the other two. Or build and sell all three homes. The proposed homes are approximately 2,086, 1,990, and 1,941 SF. Conveniently located near Downtown San Mateo, Caltrain, Central Park, shopping, dining, and 101. An existing single-family home occupies the parcel. A rare opportunity to develop three (3) new detached homes in a highly desired San Mateo location.

MLS Listing Information

Field Value
MLS # ML82055666
MLS Source MLSListings, Inc.
Days on Site 2

Features

Interior Features

Feature Details
Dining Room Other
Family Room Other
Cooling Other
Heating Other

Exterior Features

Feature Details
Roof Other
Foundation Other

Parking, School, and Other Information

Feature Details
Garage/Parking Attached Garage, Garage: 3 Car(s)
Elementary District San Mateo-Foster City Elementary
High School District San Mateo Union High
Sewer Public Sewer
Water Public
Zoning RM0003

Contact Information

Kevin Chen
Elmwood Capital
License #: 02407503
Phone: (415) 997-3338

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
North Shoreview Montessori Elementary School public K-8 0.20 mi 10
San Mateo Adult public UG 0.69 mi N/A
San Mateo High School public 9-12 0.78 mi 9
Sunnybrae Elementary School public K-5 0.80 mi 2
LEAD Elementary public K-5 0.89 mi 2
Bayside Academy public K-8 1.32 mi 6
South Hillsborough School public K-5 1.32 mi 9
Washington Elementary School public K-5 1.35 mi 7
Parkside Montessori public PK,KG,1,2,3,4,5,6,7,8 1.36 mi 9
San Mateo Park Elementary School public K-5 1.42 mi 2
Baywood Elementary School public K-5 1.59 mi 7
Borel Middle School public 6-8 1.61 mi 8
Aragon High School public 9-12 1.73 mi 10
College Park Elementary School public K-5 1.74 mi 9
Burlingame High School public 9-12 1.75 mi 10
Fiesta Gardens International Elementary School public K-5 1.79 mi 4
McKinley Elementary School public K-5 2.19 mi 8
Meadow Heights Elementary School public K-5 2.32 mi 7
Beresford Elementary School public K-5 2.33 mi 4
San Mateo-Foster City Special Education Preschool public KG 2.44 mi N/A

Nearby Homes

Address Price Beds Baths Sq Ft Status
1743 Maxine Ave $1,688,800 4 3 1,550 PendingDoNotShow
725 2nd Ave $1,580,000 3 3/1 1,518 PendingDoNotShow
1429 Maple St $1,880,000 2 2 1,430 PendingDoNotShow
697 Vanessa Dr $1,849,000 3 2 1,200 Active
808 El Camino Real E $1,530,000 3 2/1 1,565 Active

Disclosures

©2026 MLSListings Inc. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from MLSListings Inc.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of July 28, 2026. For the most current information, please contact Kevin Chen, (415) 997-3338.