Solar + Build Experts

Built Green.
ALWAYS.
On Budget.

Alpha One Construction is a Los Angeles general contractor serving homeowners for 10+ years. We install solar panels, energy-efficient windows, new roofs, and custom patios.

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

Expert Construction company
Services in Los Angeles

From rooftop solar to backyard decks, we handle every detail across Los Angeles.

Crew installing black monocrystalline solar panels on Los Angeles tile roof
Solar Panels Installation

Our NABCEP-certified crews mount tier-1 panels with micro-inverters for maximum production. We pull all LADWP permits and file your federal tax credit paperwork. Systems include 25-year panel warranty and real-time monitoring app. Typical 6 kW install pays for itself in under 6 years.

Modern sliding patio door with low-E glass installed in Los Angeles home
Energy Efficient Doors and Windows

We replace drafty frames with dual-pane, low-E glass rated to cut cooling costs up to 30 percent. Every unit is custom measured and installed with full perimeter sealing and new interior trim. Choose from vinyl, fiberglass, or aluminum clad in 15 factory colors. Title 24 compliance guaranteed.

Technician installing new AC condenser unit next to Los Angeles house
Air Conditioning Units

We size and install Energy Star central air systems and ductless mini-splits for targeted comfort. Our HVAC techs run Manual J load calc for proper sizing, seal all ducts with mastic, and program smart thermostats. Rebates and financing available through SoCal Edison.

New composition shingle roof with ridge vent on Los Angeles residence
Roofing

Complete tear-off and re-roof with Owens Corning Duration shingles or standing-seam metal. We install new underlayment, drip edge, and ridge vents for maximum ventilation. Every job includes full deck inspection and leak-proof guarantee for 10 years.

Front yard with native succulents and DG pathway in Los Angeles
Landscape

Drought-tolerant landscape design using California natives and smart irrigation. We install decomposed granite paths, drip systems, LED lighting, and artificial turf. Projects include 3D design preview and city rebate paperwork for turf removal.

Ground-level composite deck with built-in lighting in Los Angeles backyard
Patios and Decks

Custom redwood and composite decks built to county code with flush-mounted LED step lights. We pour reinforced concrete patios with broom and stamp finishes. Every structure is lag-bolted to house framing and sealed for weather resistance.

Our Simple
4-Step Process

01
Free Consultation

We visit your home, measure up, and present 3D renderings on the spot. No sales pressure, just numbers.

02
Written Quote

You receive a detailed proposal with line-item pricing and exact start date within 24 hours.

03
Build & Track

Our crew starts on schedule and texts daily photo updates. City inspections handled automatically.

04
Final Walkthrough

We walk the job with you, hand over warranties, and schedule follow-up checkups at 6 months.

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"

Kenny L.
Solar Install - Sherman Oaks, California

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

Linda M.
Roof Replacement - Westchester, California

"Alpha One added a 400 sq ft composite deck and ran power for string lights. Crew showed up at 7 sharp every day and finished ahead of schedule. My kids call it the best summer hangout spot in the neighborhood."

Carlos R.
Deck Build - Culver City, California

Start Your Project Today

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

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