Richmond, CA – Roofing & Exteriors

We Build Your Roof With Modern Technology

We make it easy for California homeowners to care for and protect their homes with expert roofing, siding, and exterior solutions—all delivered with neighborly care.

100% Mobile — we come to you
Residential & commercial roofs

Durable, energy-efficient
Years of experience

+1 510-660-3758

We’r Commited To Provide

Quality Roofing Services.

Os1 construction inc is a trusted, family-owned roofing company proudly serving Richmond. With decades of hands-on experience, our skilled Richmond roofing contractors are known for honesty, quality craftsmanship, and a strong work ethic you can rely on.

Call us anytime at +1 510-660-3758 or request a free estimate for roofing, windows, siding, tuckpointing, gutters, and downspouts. At Os1 construction inc, your home comes first, and it’s always our pleasure to serve Richmond homeowners with care and integrity.

We’r Prodviding Quality

Roofing Services

We deliver expert roofing services that combine quality craftsmanship, durable materials, and exceptional customer care. Whether you need a minor repair or a complete roof replacement, we're committed to protecting your home with solutions built to last.

Roof Repair

Fast repairs to fix leaks and damaged shingles.

Roof Replacement

Complete roof replacement with durable materials.

Storm Damage

Inspection and repairs for storm-related damage.

Gutters

Installation and repair for proper water drainage.

Siding

Strong siding to protect and enhance homes.

Speak With Our Team About Your Project

Send your plans or request a site walk — we’ll provide scope clarifications, a detailed quote, and a clear timeline.

Why Choose US

We provide reliable roofing and exterior services with a focus on quality, honesty, and customer satisfaction.

Trusted Legacy

Family-owned since 1949, we deliver proven craftsmanship, long-standing reliability, and a reputation built on honesty, quality work, and satisfied Chicagoland homeowners.

Skilled Professionals

Our experienced roofing specialists are fully trained, detail-focused, and committed to delivering durable solutions that protect your home in every season.

Fair Pricing

We provide transparent estimates, competitive pricing, and no hidden fees—ensuring you receive excellent value without pressure or surprises.

Customer First

Your satisfaction comes first. We communicate clearly, respect your property, and complete every project with care, professionalism, and accountability.

Testimonials

We have over 400,000 satisfied customers who can vouch for our quality. Here's what some of them are saying.

★ ★ ★ ★ ★

Crest Roofing did an excellent job on our roof replacement. The crew was punctual, respectful, and very thorough. The entire process was smooth from start to finish. Highly recommended.

Zara Bush

Marketing Director

★ ★ ★ ★ ★

We chose Crest Roofing because of their reputation, and they exceeded our expectations. Clear communication, fair pricing, and quality workmanship. We couldn’t be happier with the results.

Ashwin Santiago

CEO & Founder

★ ★ ★ ★ ★

From the free estimate to the final cleanup, Crest Roofing was outstanding. The team paid attention to every detail and completed the job on time. Our home looks great.

Kaden Scott

Sales Manager

★ ★ ★ ★ ★

This platform has revolutionized our business operations. The seamless integration and powerful features have helped us scale our marketing efforts efficiently while maintaining excellent customer relationships.

Elsie Roy

Entrepreneur

Before & After Gallery

See the Difference Professional Roofing Makes

Frequently Asked Questions

Have questions about your roofing or exterior project? Below are answers to the most common questions homeowners ask Crest Roofing before getting started.

1. How long has Os1 construction inc been in business?

Os1 construction inc brings years of industry experience and a commitment to delivering quality workmanship, reliable service, and customer satisfaction on every project.