Licensed · Bonded · Insured
Riverside's specialists in sunrooms & patio covers
From sun-filled California rooms to motorized louvered pergolas — Alpha One designs and builds outdoor living spaces that homeowners across the Inland Empire love.
Years Experience
Projects Completed
Licensed & Insured
Average Rating
What We Do
Two specialties, done exceptionally well
We focus on what we do best — beautiful sunrooms and durable patio covers, designed for Southern California living.
Our Process
Simple, transparent, and built around you
Every project follows the same proven process — so you always know what comes next.
Free Consultation
Call or message us. We'll come out, listen to what you want, and measure your space — no charge.
Design & Quote
Detailed scope, transparent pricing, 3D renderings on bigger projects. No high-pressure sales.
Quality Install
Our in-house crew handles permits, foundation, framing, glass, and finish — clean and on schedule.
Final Walk-Through
We don't leave until you love it. Backed by our written workmanship warranty.
Reviews
What our clients are saying
"Alpha One built us a beautiful sunroom off the back of our house. The crew was professional, the glass is gorgeous, and we use the room every single day. Couldn't be happier."
Maria G.
Riverside
"We had them install an Alumawood patio cover with LED lighting. Honest quote, on-time install, and it looks like it was always part of the house. Highly recommend."
James R.
Corona
"Got a louvered pergola from Alpha One last summer — total game changer. Our backyard is finally usable in July. Great communication from start to finish."
Tasha B.
Moreno Valley
Why Alpha One
We build it like it's our own backyard
For over 10 years, Alpha One has been Riverside's go-to specialist for sunrooms and patio covers. We're locally owned, fully licensed, and obsessed with the kind of craftsmanship that makes a project look like it's always been there.
About our teamLicensed & Insured
Fully licensed CA contractor with full liability coverage.
Quality Guarantee
Written workmanship warranty on every install.
On-Time Delivery
Clear timelines — and we stick to them.
In-House Crews
No flaky subs. Our team, our standards.
Transparent Pricing
Detailed estimates. No hidden fees, no upsells.
Permits Handled
We pull and manage all required city permits.
Get In Touch
Request your free estimate
Tell us about your project — we'll get back within one business day.
Contact information
Reach out anytime. We respond to every inquiry within one business day.
Phone
(951) 642-3708Service Area
Riverside, CA
& the Inland EmpireHours
Mon – Sat · 7:00 AM – 7:00 PM
Free Estimate
Ready to extend your living space?
Tell us about your project and we'll come take a look. No obligation, no pressure — just an honest quote and clear answers.