117 N Delaware Street San Mateo, CA $ 1,880,000
117 N Delaware Street
$ 1,880,000
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117 N Delaware Street

San Mateo, CA, 94401
$ 1,880,000
Bedrooms6 Baths0.0 Sq 4,165

Monthly Estimate*

$ 11,575

117 N Delaware Street, San Mateo, CA 94401 - Image 1
117 N Delaware Street, San Mateo, CA 94401 - Image 2
117 N Delaware Street, San Mateo, CA 94401 - Image 3

Multi-Family Home for sale in San Mateo, CA

for $1,880,000 with 6 bedrooms. This 4,165 square foot home was built in 1990 on a lot size of 0.132.

A high-quality Peninsula duplex with stable income, minimal expense drag, and clearly defined long-term upside.117 N. Delaware Street presents a rare opportunity to acquire a well-located duplex in the heart of San Mateo. The property consists of two large units, each configured as 3 bedrooms and 2.5 bathrooms with garage parking offering strong fundamentals for both owner-occupiers and long-term investors. With tenants in place for over 20 years, the asset provides stable in-place income and a clear path for predictable rent growth under California rent control guidelines. The property currently generates $7,610 per month ($91,320 annually), with a highly efficient expense. Market rents for comparable units are estimated at approximately $4,500+ per month, indicating meaningful long-term upside. At market levels, the property would generate approximately $108,000. Generous layouts, strong rental demand and a desirable unit mix support long-term growth and income optimization. Don't miss this rare opportunity whether as an investment or a property you could occupy!

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Multi-Family Active

Price

$ 1,880,000

Bedrooms

6

Property Type

Multi-Family

Taxes

$ 0

Style

Duplex

Lot Size

0.132

Year Built

1990

Town/City

San Mateo

County/Region

San Mateo

MLS | Web ID

ML82043896

Features
General
Living Area 4165
Heating Forced Air
Cooling No Air Conditioning
Zoning RM00
Year Built 1990
Property Subtype Duplex
County San Mateo
Property Type Residential Income
HOA false
Status Active
City San Mateo
High School District San Mateo Union High
MLS Area Listing
Lot Size Square Feet 5750
Standard Status Active
Elementary School District San Mateo-Foster City Elementary
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Interior
Flooring Tile
Air Conditioning Y/N true
Heating Y/N true
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Exterior
Lot Size Area 5750
Building Area Total 4165
Lot Size Acres 0.132
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* Excluded Features
List By
Tim Gilmartin

Listing Agent

Gilmartin Group

Broker

tim@thegilmartins.com

Email

Affordability Calculator

$11,575
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Monthly Principal & Interest
$11,575
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Default based on a 30-year fixed rate of 6.25% 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
0 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/21/2026$1,880,000 Listed Price

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117 N Delaware Street, San Mateo, CA, 94401 is a Multi-Family Home for sale at $1,880,000 with 4,165 sqft and a lot size of 0.132. 117 N Delaware Street has 6 bedrooms, 0.0 baths, and was built in 1990. The property's zip code is 94401 which is in San Mateo, CA