Back 21 Castenada Ave
Off Market

21 Castenada Ave

San Francisco CA 94116

5
7
4
4163 sq. ft.
3330 sq. ft.
Single-Family
Last sold for $1,300,000
Katherine TomassiKatherine Tomassi, last sold this property on 09 June 2026 after 16 days on market.

Overview

Incredible Opportunity! Awaiting transformation in a prime location. Contemporary hillside home w/elevator on a serene block in Forest Hill. This expansive residence offers 5 bedrooms, 5 full baths and 2 half baths, a spacious family/media room, multiple potential den and office spaces, several decks, 2-car side-by-side garage. Commanding great room w/soaring double-height ceilings and walls of windows framing views toward the western slope of Twin Peaks. Kitchen w/island and premium appliances, wet bar, and powder room complete this level. On the top floor is the luxurious primary suite w/French doors to a Juliet balcony. Spa-like bath w/soaking tub, separate walk-in shower, generous walk-in closet, and additional half bath. Also on this level is a second en-suite bedroom w/access to the rear deck, plus flexible area for office or sitting room. Main entry floor at street level features an en-suite bed and full bath and den, both opening onto a shared deck. On the mezzanine level overlooking the great room are two additional bedrooms, a full bath, laundry room, plus additional den or lounge area. Beneath the great room is a large family/media room w/its own deck and full bath. The lowest level features storage and bonus space w/myriad possibilities for a gym, studio, workshop, wine storage, or an additional office, plus access to the backyard. In addition to the 2-car garage, there is room for 2 additional cars in the driveway. Built in 2009.

Features

5 bedrooms
7 bathrooms
4 carspaces
2 open car spaces
2 garage spaces
4163 sq. ft. floor area
3330 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 5 bedroom single-family properties sold in San Francisco over the last 12 months, the estimated median property value of 21 Castenada Ave is $2.58m.

Median value
$2.58m
Estimated value range
$1.3m - $4.08m
Median days on market
19
Estimated value trend
29%
increase over the last 12 months
Average days on market is based on recent, comparable sales in San Francisco. 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 21 Castenada Ave

2026
Sold
$1,300,000
09 Jun 2026 by Katherine Tomassi, of Sotheby's International Realty
2016
Sold
$2,450,000
22 Nov 2016 by Naomi Glass, of Coldwell Banker Realty

Happy sellers in San Francisco

~%

We have insufficient information to provide an overview of customer satisfaction for San Francisco. Viewing the agent profiles, reviews and sales for San Francisco can provide insights for this location.

Local market activity for 5 bedroom single-family properties in San Francisco

In the last 12 months, 15 five-bedroom single-family properties similar to 21 Castenada Ave, have been sold.

This represents a 7% decrease in five-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in San Francisco

or
Skip the list and find your ideal agent to sell your propertyFind My Agent
© 2026 RateMyAgent