21st Century Home Improvement
Roofing contractor in San-Francisco, CA 94107
About this company
21st Century Home Improvement is listed as a roofing contractor at 99 Mississippi St in San-Francisco, California, in San Francisco County. It is one of 5 roofing companies in ZIP 94107.
Other roofers nearby
American Roofing Company1616 16th St Ste 200, San Francisco
0.5 mi(415) 575-0916
San Francisco Roofing Contractors650 5th St Ste 401, San Francisco
0.7 mi(415) 358-7051
The Lawson Roofing Co. Inc.1495 Tennessee St, San-Francisco
0.9 mi(844) 457-4090
21st Century Home Improvement937 Harrison St, San Francisco
1.0 mi(415) 974-1234
Westgate Renovators Inc344 Harriet St 3rd Fl ATTN: Mark Sinclair, San Francisco
1.0 mi(844) 822-6556
Housing market around ZIP 94107
Figures describe the local area, not this company.
Typical home value$1,055,000+12.3% past year · −3% in 10 years
Typical rent$5,099+27.6% past year
12-month value outlook+2.2%
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 roofing angle: 4,682 homes in this ZIP, 25% of the total, were built from 2000 to 2009, so they are now 17 to 26 years old. Only 31% were built before 1980.
Local figures are estimates from public records and Zillow housing data, updated regularly.