Business Details
Bay Area Home Remodeling & Improvement Experts
21st Century Home Improvement is a family-owned and operated general contracting company with over 30 years of experience serving the Bay Area. We specialize in delivering high-quality, durable home improvement solutions tailored to meet the unique needs of homeowners. Our comprehensive services include interior and exterior painting, roofing, window replacement, carpentry, vinyl siding, seismic retrofitting, and full-scale remodeling projects. We are particularly recognized for our expertise in ADU construction, guiding clients through the entire process from permit acquisition to project completion. By offering a diverse range of services under one roof, we eliminate the need for homeowners to coordinate multiple contractors, ensuring streamlined communication, cost efficiency, and consistent quality.Our commitment to excellence is reflected in our licensed and insured status, attention to detail, and focus on long-term client satisfaction. With our main office in San Francisco, we serve San Francisco, Marin, Alameda, Contra Costa, and San Mateo counties. Our team combines technical proficiency with personalized service to address both immediate needs and future-proof home investments. We prioritize transparency, ethical business practices, and maintaining the highest standards of craftsmanship across all projects. This approach has earned us a reputation for reliability and trustworthiness in the Bay Area home improvement market.
Services
Interior Painting
Roofing
Window Replacement
Carpentry
Exterior Painting
Vinyl Siding
Remodeling
Kitchen & Bath Remodel
Seismic Retrofitting
Highlights and features
- We offer 30+ years of combined experience in Bay Area home improvement projects
- Our team provides end-to-end solutions for 8+ types of home improvement services
- Specialized expertise in ADU construction and permitting processes
- We serve all major Bay Area counties from a single coordinated team
- Licensed and insured contractors with documented client satisfaction
What people say
Knowledgeable team
Reasonable bid
Finished on time
Honesty and integrity
Sympathetic and supportive
Services
Interior Painting
Transform your living spaces with premium interior painting services using durable, long-lasting materials. Our detail-oriented approach ensures crisp lines and even coverage for both residential updates and commercial spaces. We prepare surfaces meticulously and use professional-grade paints to deliver finishes that withstand daily wear while enhancing property value.
Roofing
Complete roof system installations and repairs from foundation to shingles using industry-standard materials. Our licensed contractors assess structural integrity, address water damage risks, and install energy-efficient roofing solutions tailored to Bay Area climate conditions. We guarantee watertight installations with manufacturer-backed warranties for residential and commercial properties.
Window Replacement
Modernize homes with energy-efficient window replacements that improve insulation and curb appeal. Our team handles complete removal of old units, precise measurements for custom fits, and installation of vinyl, wood, or composite windows. We prioritize proper sealing techniques to prevent drafts while maintaining architectural integrity across various property types.
Seismic Retrofitting
Strengthen structures against seismic activity through foundation bolting, cripple wall bracing, and shear wall installation. Our certified technicians follow California building codes to reinforce critical connections and mitigate earthquake damage risks. We provide comprehensive assessments and implement retrofit solutions that enhance safety without compromising structural aesthetics.
Kitchen & Bath Remodel
Full-scale kitchen and bathroom renovations from design to completion with custom cabinetry, plumbing upgrades, and modern fixtures. Our integrated approach handles permits, material sourcing, and multi-trade coordination to deliver functional, code-compliant spaces within budget. We specialize in maximizing space efficiency while maintaining timeless design elements.
Questions
What areas do you serve for home improvement projects?
We operate throughout the Bay Area including San Francisco, Marin, Alameda, Contra Costa, and San Mateo counties.
Do you handle complete home remodeling projects?
Yes, we manage full home renovations including kitchens, bathrooms, and seismic retrofitting from start to finish.
Are you licensed for ADU construction projects?
We are fully licensed and experienced in Accessory Dwelling Unit construction with complete permitting assistance.
What home improvement services do you offer?
Our services include painting, roofing, window replacement, carpentry, vinyl siding, seismic retrofitting, and complete remodeling projects.
How long has your company been in business?
Our team brings over 30 years of combined experience in Bay Area home improvement and general contracting.
Can you help with emergency home repairs?
We focus on scheduled projects but prioritize urgent structural issues during regular business hours.
