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.
From rooftop solar to backyard decks, we handle every detail across Los Angeles.
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.
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.
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.
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.
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.
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.
We visit your home, measure up, and present 3D renderings on the spot. No sales pressure, just numbers.
You receive a detailed proposal with line-item pricing and exact start date within 24 hours.
Our crew starts on schedule and texts daily photo updates. City inspections handled automatically.
We walk the job with you, hand over warranties, and schedule follow-up checkups at 6 months.
"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"
"Alpha one is great, they were efficient n Did everything as promised, I highly recommend!"
"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."
Call (818) 793-1060 for a free in-home estimate. We respond within one business hour.