Duffin Construction
Construction company in San Francisco, CA 94121
About this company
Duffin Construction is listed as a construction company based in San Francisco, California, in San Francisco County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 15 general contractors in ZIP 94121.
Other construction companies nearby
Greenworks Utility Billing5758 Geary Blvd # 341, San Francisco
(415) 599-2088
Heaven's Earth Co.5432 Fulton St, San Francisco
(415) 831-2963
MD Buildworks477 45th Ave, San Francisco
(415) 286-5580
Neat Builders Inc814 28th Ave, San Francisco
(415) 419-8889
Prism Painting3121 Clement St, San Francisco
(415) 751-1391
Housing market around ZIP 94121
Figures describe the local area, not this company.
Typical home value$1,863,000+20.1% past year · +39% in 10 years
Typical rent$4,486+24.4% past year
12-month value outlook+3.1%
New homes permitted, 20251,444San Francisco County
Days to sale agreement16San Francisco metro · 22 a year ago
Listings with a price cut21.2%San Francisco metro
Sale price vs list106.1%San Francisco metro
New construction sales91San Francisco metro, Aug · −32% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: San Francisco County permitted 1,444 new homes in 2025, including 1,394 apartment units. 4% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.