About Company

21st Century Home Improvement is a family-owned, licensed, and insured general contracting firm based in San Francisco that specializes in residential painting, roofing, window replacement, carpentry, siding, kitchen and bathroom remodeling, seismic retrofitting, and ADU work throughout the Bay Area; 21st Century Home Improvement brings more than 30 years of industry experience, emphasizes high-quality, long-lasting workmanship and full-service project management from permits through completion, and serves homeowners across San Francisco, Marin, Alameda, Contra Costa, and San Mateo counties (see the company site: Home and Contact).

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