Diamond Roofing Systems
Roofing contractor in Diamond Bar, CA 91789
About this company
Diamond Roofing Systems is listed as a roofing contractor at 20651 Golden Springs Dr in Diamond Bar, California, in Los Angeles County. It is one of 3 roofing companies in ZIP 91789.
Other roofers nearby
USA Roofing368 S Lemon Ave, Walnut
1.0 mi(909) 468-4872
Micasa Pro Roofers Walnut340 S Lemon Ave, Walnut
1.0 mi(909) 610-9043
Cooper Roofing1195 S Diamond Bar Blvd, Diamond Bar
2.4 mi(866) 322-8464
American West23441 Golden Springs Dr Ste 283, Diamond Bar
2.9 mi(909) 612-1706
Estelle Roof23441 Golden Springs Dr, Diamond Bar
2.9 mi(909) 591-1145
Housing market around ZIP 91789
Figures describe the local area, not this company.
Typical home value$1,128,000+1.4% past year · +66% in 10 years
Typical rent$3,890+3.1% past year
12-month value outlook+1.5%
New homes permitted, 202522,250Los Angeles County
Days to sale agreement26Los Angeles metro · 28 a year ago
Listings with a price cut24.4%Los Angeles metro
Sale price vs list99.9%Los Angeles metro
New construction sales217Los Angeles metro, Aug · +5% 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: 539 homes in this ZIP, 4% of the total, were built from 2000 to 2009, so they are now 17 to 26 years old. Only 42% were built before 1980.
Local figures are estimates from public records and Zillow housing data, updated regularly.