Energy Smart Builders

Build it.
Green.
Guaranteed.

Alpha One Construction is a Los Angeles residential General Contractor with 10+ years in business. We deliver solar, roofing, HVAC, and outdoor living projects that slash energy bills.

✓ CA Licensed & Fully Bonded ✓ Free Estimates ✓ On-Time Delivery
850+ Projects Completed
4.9 Google Rating
10+ Years in Business
100% Licensed Builds

Expert Construction company
Services in Los Angeles

From rooftop panels to custom decks, Alpha One Construction handles every trade under the Los Angeles sun.

Crew installing black solar panels on Spanish tile roof in Los Angeles sunlight
Solar System Installation

Our NABCEP certified techs mount high-efficiency panels with micro-inverters for maximum yield on any roof pitch. We pull permits, handle LADWP interconnection, and set up real-time monitoring apps. Typical payback hits 5-7 years with 26% federal credit locked in.

Modern sliding patio doors opening to backyard deck with city skyline view
Energy Efficient Doors and Windows

We swap old single-pane units for dual-glazed, low-E vinyl or aluminum-clad frames that cut heat gain by 35%. Every install includes fresh flashing, foam seal, and trim match to your interior. HERO and Ygrene financing available.

Technician installing slim wall-mounted mini-split AC unit in living room
Air Conditioning (AC) Units

We size and install SEER 16+ central systems and ductless mini-splits tailored to Los Angeles micro-climates. New linesets, load calc, and smart thermostat integration come standard. Rebates up to $1,000 through LADWP Cool Homes.

New gray asphalt shingle roof with solar panels integrated in Los Angeles neighborhood
Roofing

Our crews install cool-roof shingles, torch-down TPO, and standing-seam metal rated for 110 mph winds. We strip to deck, add radiant barrier, and finish with seamless gutters. Ten-year workmanship warranty on every roof.

Drought-tolerant front yard with succulents, gravel, and stone walkway
Landscape

We swap thirsty lawns for drought-tolerant natives, drip irrigation, and LED path lighting that cuts water use 60%. Raised beds, decomposed granite paths, and built-in seating transform yards into outdoor rooms.

Evening view of multi-level redwood deck with built-in bench and string lights
Patios and Decks

Engineered redwood decks and porcelain-tile patios tie indoor floors to outdoor kitchens. Hidden fasteners, steel framing, and integrated lighting deliver code-compliant hangouts built to last.

Our Simple
4-Step Process

01
Free Consultation

Schedule a same-day walkthrough. We measure, photograph, and run energy load calcs on-site.

02
Detailed Quote

Receive a line-item proposal with material specs, timeline, and all rebates within 24 hours.

03
Construction Begins

Permits pulled, crew on-site at 8am, daily progress texts with photo updates.

04
Final Walkthrough

Owner signs off, we activate monitoring apps and hand over maintenance kit. Work is warrantied.

What Our Clients
Say About Us

"A happy returned customer! I had Alpha One for a couple of patch jobs before and was impressed with their approach back then. They listened attentively, explained clearly, and did not push to sell and instead delivered what I wanted for the moment. I called them back again last month for a quote to"

Lisa M.
Solar + Roof Patch - Silver Lake, California

"Alpha one is great, they were efficient n Did everything as promised, I highly recommend!"

David R.
AC Install - Northridge, California

"Alpha One replaced every window in our 1950s ranch with dual-pane vinyl and added a 6.2 kW solar array. Crew finished in four days and our SCE bill dropped from $280 to $38. Neighbors keep asking who did the work."

Carmen T.
Windows + Solar - Granada Hills, California

Cut Your Energy Bills Today

Call (818) 793-1060 for a free estimate. We respond within one hour during business hours.

Mon-Sat, 8am-6pm
5827 Franklin Ave, Los Angeles, CA 90028