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San Mateo
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Site PlanRecommended approval (May 2026) · Council outcome not on record220 W. 20th Avenue, San Mateo, CA (APN 039-030-400)

Summerhill Apartment Communities — 220 W. 20th Avenue

San Mateo

Description

Seven-story, 232-unit apartment building with 31 below-market-rate units, 277 parking spaces, and 14 density bonus waivers; commission recommended council approval.

Impact summary

Adds significant housing, including affordable units, near Caltrain — but neighbors worry about traffic, parking, and safety on Elkhorn Court during construction and after opening.

Applicant

Name
Summerhill Apartment Communities
Address
220 W. 20th Avenue, San Mateo, CA (APN 039-030-400)See this on the map

At a glance

Hearings
1
Public comments
0
Total mentions
1

Last vote · Planning Commission

Recommended approval (May 2026) · Council outcome not on record5–0, unanimous

A recommendation. The council’s outcome is not on record here.

Last discussed May 26, 2026.

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