Carpet, hardwood, laminate, tile and LVT — plus full kitchen, bath and whole-house remodels. We bring the samples to you and quote the entire job up front. No surprises.
200+ Bay Area homes finished
Years building homes
Bay Area cities served
Star rating on Yelp
Licensed contractor classes
The Cornerstone Difference
Cornerstone is a licensed flooring contractor and general building contractor serving residential and commercial customers across the South Bay, Peninsula, San Francisco Bay Area and Sacramento. For more than 20 years we have handled everything from a single room of new carpet to full whole-house remodels.
We work with all the top carpet and flooring manufacturers, so you get brands you trust at a price that fits your budget. Every estimate is complimentary, complete and carries no obligation.
C-15 Flooring Contractor
Licensed for San Jose & Sacramento.
B General Building Contractor
Residential & commercial work.
Shop-at-Home Service
Samples brought to your door.
Professional Installation
Superior quality, every job.
Our Products & Services
A large selection of quality, brand-name carpet and flooring products, paired with full remodeling and a shop-at-home consultation. Here is everything we do.
Five floor types, all major brand-name manufacturers, all installed by our own crews. Shop samples in your home before you commit.
From
Free quote
Kitchens, baths, bedrooms, open-concept living rooms or the entire home — backed by 20+ years of general building experience.
Lead time
4–12 wks
A complimentary, no-obligation in-home consultation — we bring the samples, measure your space, and quote the full job up front.
Booking
This week
Why Cornerstone
Nine reasons Bay Area homeowners keep recommending us. Scroll to deal them out, one card at a time.
We are a licensed flooring contractor serving San Jose, Sacramento and the wider Bay Area — license #1101292.
CA State License Board
#1101292
Serving residential and commercial customers for over 20 years — from single rooms to full whole-house builds.
Scope · B contractor
We bring carpet and flooring samples to see in the comfort of your home — compare them in your own light, against your own walls.
We offer high-quality carpet, hardwood flooring, laminate flooring and LVT installation by our own in-house crews, never subbed out.
Installation specialties
General building contractor serving San Jose, Sacramento and beyond — from a single room of new carpet to full whole-home transformations.
Building since
2004
20+
Years
Complimentary, no-obligation and complete in-home estimates — one quoted number covers the whole job.
Your single line item
Quoted up front
We offer exceptional carpet and flooring services with superior quality — the kind that earns repeat customers, not one-time jobs.
Average rating
4.5★
200+
Homes finished
98%
Repeat & referral
We are big enough to get the job done, yet small enough to care — whether it’s a single bedroom carpet or a multi-unit tenant improvement.
Residential
Single rooms to full whole-house remodels.
~75% of jobs
Commercial
Offices, retail, multi-unit and tenant improvements.
~25% of jobs
We work with all top carpet and flooring manufacturers — brand-name quality at fair, transparent dealer pricing.
+ Mannington · Bruce · Pergo
Our Work
A look at projects we have completed across San Jose, Sacramento and the wider Bay Area. Filter by what you are planning.
Built once. Built right.
What Our Customers Say
A rating of 4.5/5 on Yelp, earned one job at a time. Here is what real homeowners have to say.
Cornerstone is a great company with excellent staff. They are experienced and professional people of integrity and excellence. I would definitely recommend if you want a job well done!
Kelly S.
Fair Oaks
I would definitely recommend them because of their good referrals, excellent workmanship, value for money, customer care and excellent quality of materials.
Cindy Caldwell
Sacramento
Very good service, excellent prices and good quality. Would definitely recommend them to anyone needing flooring in San Jose, California.
Darryl Curtis
San Jose
A beautiful selection of carpets, laminate and vinyl flooring. Excellent quality, amazing customer service and great flooring installation in San Jose, CA.
Ricky Hunt
San Jose
The workers are very prompt and the job that was done was exceptional. The company does just about anything. The owner is very friendly and easy going about answering any questions.
Jennie J
North Highlands
Pricing
Every project is different, so every estimate is custom. We quote the whole job up front, complimentary and with no obligation, so there are no surprises later.
$0
A complimentary, complete and no-obligation estimate. We bring flooring samples to your home and measure the space.
Custom quote
Brand-name carpet, hardwood, laminate, tile or LVT supplied and professionally installed, priced to fit any budget.
Custom quote
Kitchens, bathrooms, bedrooms, living and open-concept spaces, or the entire home, built by a licensed general contractor.
Coverage
Fast, reliable carpet, flooring and remodeling service across the San Francisco Bay Area and the Sacramento corridor. If your town is nearby and not listed, just call — we almost certainly cover it.
Cities served
Homes finished
Service radius
Yes. Our in-home estimates are complimentary, complete and carry no obligation. We bring flooring samples to your home, measure the space and give you an all-inclusive written quote on the spot.
Carpet, hardwood, laminate, tile and LVT (luxury vinyl tile), all from top, name-brand manufacturers and priced to fit any budget.
Yes. As a licensed B general building contractor with 20+ years of experience, we remodel kitchens, bathrooms, bedrooms, living rooms, open-concept spaces and entire homes.
Yes. We're a C-15 licensed flooring contractor and a B general building contractor — license #1101292 — serving both residential and commercial customers.
San Jose, Sunnyvale, Santa Clara, Cupertino, Los Gatos, Palo Alto, Los Altos, Mountain View, Milpitas, Fremont, Gilroy, Morgan Hill, Hayward, Sacramento, Stockton, Modesto, San Francisco and the wider Bay Area.
Yes. We work with both residential and commercial customers. Big enough to get the job done, small enough to care.
Contact Us Today
For questions about carpet, flooring or remodeling, or to schedule an appointment with one of our flooring designers, send us a message below. We typically respond within 1 business day. Your information is private.