Studio Apartments for Rent in Castro Under $4,000
The Castro is the historic center of queer SF — the rainbow crosswalks at Castro and 18th, the Castro Theatre, and decades of activist history. Castro Muni station feeds the K/L/M lines underground. Rents are solidly mid-to-high for SF.
12 listings available — updated June 3, 2026, refreshed every 3 hours
240 Cumberland Street (1285r), 240 Cumberland St APT 105, San Francisco, CA 94114
$2,795/mo
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Frequently asked
How many studios are available in Castro right now?
As of June 3, 2026, Rentomatics tracks 12 studios for rent in Castro under $4,000/month. Listings refresh every 3 hours from Craigslist, Zumper, and other Bay Area sources.
What is the rent for a studio in Castro?
Among current Rentomatics listings, studios in Castro start at $1,900/month, with an average of $2,756 and a median of $2,723/month. Prices reflect 12 active listings updated June 3, 2026.
How often are Rentomatics listings updated?
Rentomatics refreshes listings every 3 hours from Craigslist, Zumper, and other Bay Area rental sources. Stale listings are removed within 5 days of last sighting.
Does Rentomatics show broker fees?
Yes. Every Rentomatics listing displays whether a broker fee applies, and users can filter to show only no-fee apartments.
What is Castro like?
The Castro is the historic center of queer SF — the rainbow crosswalks at Castro and 18th, the Castro Theatre, and decades of activist history. Castro Muni station feeds the K/L/M lines underground. Rents are solidly mid-to-high for SF.