Back 100 West 38th Avenue
Off Market

100 West 38th Avenue

San Mateo CA 94403

2470 sq. ft.
5023 sq. ft.
Duplex
Last sold for $1,520,000
Alex LehrAlex Lehr, last sold this property on 09 January 2026 after 44 days on market.

Overview

A rare investment opportunity in a prime Westside San Mateo location, this spacious duplex sits on a desirable 5,023 sqft corner lot, providing excellent frontage and light exposure. With 2,470 sq ft of total living space across two well-proportioned units. The property offers immediate rental income with room and pride of ownership presence! Built in 1951, it features solid, long-lasting construction, two fireplaces, a spacious 2 Bed, 1 Bath unit along with a large 1 Bed 1 Bath unit! The generous lot size and corner placement create expansion potential, outdoor usability, and enhanced privacy! It calls to future tenants and buyers, alike! Located within the San Mateo-Foster City School District and boasting an outstanding 88 Walk Score, the property benefits from strong rental demand, low vacancy, and consistent neighborhood appreciation. Close proximity to transit corridors, Caltrain, parks, and major employers positions this duplex as a stable, high-performing asset with excellent upside. Perfect for investors or end users, a 1031 exchange option, or long-term hold in one of the Peninsulas most reliable rental markets.

Features

2470 sq. ft. floor area
5023 sq. ft. lot size
Duplex

Estimated Value

Based on this property and similar duplexes sold in San Mateo over the last 12 months, the estimated median property value of 100 West 38th Avenue is $1.7m.

Median value
$1.7m
Estimated value range
$1.52m - $2.44m
Median days on market
16
Estimated value trend
-3%
decrease over the last 12 months
Average days on market is based on recent, comparable sales in San Mateo. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 100 West 38th Avenue

2026
Sold
$1,520,000
09 Jan 2026 by Alex Lehr, of Guide Real Estate

Happy sellers in San Mateo

94%
94% of sellers in San Mateo reported that their sale price either exceeded or met their price expectations.

San Mateo stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 3 reviews in San Mateo over the last 12 months.

Local market activity for duplexes in San Mateo

In the last 12 months, 8 duplexes similar to 100 West 38th Avenue, have been sold.

This represents a 28% decrease in duplexes sales when compared to the previous 12 months.

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