Best Price & All Work 100% Guaranteed! fully licensed and insured

Commitment To

Excellence

Years Of
Experience
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Marcus Newbury

Owner

At 21st Century Home Improvement, we believe every home deserves quality craftsmanship and dependable service.
As a family-owned and operated general contractor, we have spent more than three decades helping property owners across the Bay Area improve, repair, and upgrade their homes.

About

What We Can Do

Let’s Build Something
You’ll Be Proud Of

Our Services

We provide a full range of residential improvement and renovation services.

Whether you’re upgrading a single room or planning a full renovation, our experienced team is ready to help.

Satisfied Clients
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Completed Projects
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Years Of Experience
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Our Satisfied Customers

I have hired 21st Century off and on for 20 years now. The first job was to tear down old deck and build a new deck. Second job was to resurface rear and sides of house. Third job was an install of a bay window in kitchen and new rear door system. Fourth job was a new roof including new metal stacks. More jobs over the years included replacing damaged rain leaking terra cotta and replace of interior sheet rock 100% matching to existing ceiling sheet rock, resurfacing front of house with DRYVIT texture, upscale the attic into a wonderful full floor usable space including a full bath and great skylights, built a beautiful new backyard fence including rebar and concrete footings. This year paint entire interior and replace worn out oak flooring with beautiful new engineered hardwood. This team has been working together for years and are 150% trustworthy. They also make great recommendations in line with my vision. This is a very organized team with three project leads ensuring everything goes smoothly and on target for time. I highly recommend 21st Century for your home improvement jobs.

Thank you.

Lorraine Doss

Amazing company with great work and craftmanship! HIGHLY Recommend- we have been working with 21st Century for many years with various projects. Literally nothing but the best!
Thank you.

James & Dan McAuliffe

The work they did improving my home netted me thousands on the sale. They worked efficiently and was fairly priced.

Thank You

William Rutland

We needed our over 100 year old front porch repaired from rotting boards. Darrell was very knowledgeable about the structure of this old building and what his team could do. The bid was reasonable given that the job included removal, repair and replacement of decorative wooden posts and railing, as well as replacement of boards to match the original design. The project was anticipated to take about a week, and they scheduled it to start 2 weeks after we agreed to it. The project was finished in a week (plus 2 days when it rained and they didn't paint), and each day of the project Martin and Oscar cleaned up the entire area. We have had bad experiences with other contractors, and we are very pleased to have finally found a company with skill and experience, honesty and integrity!

Mary White

I worked with Darrell Butler of 21st Century to have a new foundation done in my back yard and under my bathroom. Darrell was very helpful in determining what exactly needed to be done, arrived at every one of our meeting times punctually and was very patient in waiting until I was financially ready to do the work because I was dealing with recovering from breast cancer but needed the work done urgently. He was very sympathetic to my situation and supportive which really made me feel I could trust him with my project. When it was time to do the work he brought in a cement contractor that did the work in two days, was very efficient, took all the old cement and more with them and left behind a very beautiful new outdoor concrete patio and also lifted my bathroom to add the new foundation underneath. They added a new drain to keep the water from the slope from eroding the soil under the bathroom which was making the bathroom sink. I am very pleased with the work and with 21st Century's commitment to making it happen for me and doing a great job. I feel that what they charged me for this project was fair and was happy to pay it knowing that the work had been very well.

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Client Trust

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Client Trust

Business Value

Why Us?

21st Century

Our goal is simple: deliver work that stands the test of time.

Quality Craftsmanship

Our skilled team delivers high-quality renovation work with attention to every detail.

On-Time Project Completion

We plan every step carefully to complete your renovation on schedule.

Modern Design Solutions

We create stylish, functional spaces that match your lifestyle and vision.