Gammalyn Roofing
Roofing contractor in Richmond, CA 94805
About this company
Gammalyn Roofing is listed as a roofing contractor based in Richmond, California, in Contra Costa County. It is one of 2 roofing companies in ZIP 94805.
Other roofers nearby
Frontline Roofing12669 San Pablo Ave Ste 107, Richmond
(530) 402-3246
Housing market around ZIP 94805
Figures describe the local area, not this company.
Typical home value$694,000+2.3% past year · +42% in 10 years
Typical rent$2,772
12-month value outlook+1.1%
New homes permitted, 20251,163Contra Costa 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 roofing angle: 63 homes in this ZIP, 1% of the total, were built from 2000 to 2009, so they are now 17 to 26 years old. Only 92% were built before 1980.
Local figures are estimates from public records and Zillow housing data, updated regularly.