Heating & Cooling
Hassler Heating and Air Conditioning
El Cerrito, California
An El Cerrito HVAC and home-performance contractor serving the East Bay, with heat pumps, duct testing, and energy assessments.
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San Francisco & Oakland.
Five trades. Local perspectives. Explore company backgrounds, stated specialties, and the questions worth bringing to your next project.
San Francisco-Oakland-Fremont, CA metropolitan area
Roofing
Ben’s Roofing
Oakland, California
An Oakland roofing contractor whose published focus includes apartments, condominiums, HOAs, and commercial properties across the Bay Area.
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Remodeling
Gayler Design Build
Danville, California
A Danville design-build remodeler serving the Tri-Valley and Lamorinda, with kitchen, whole-house, and outdoor-living projects.
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Plumbing
Lutz Plumbing
San Francisco, California
A San Francisco plumbing company on 17th Street, with drain, sewer, water-heater, and leak services throughout the city and nearby areas.
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Electrical
A.S.F. Electric
Daly City, California
A Daly City electrical contractor with residential and commercial capabilities, including apartments, single-family homes, and panel upgrades.
Read the featureStart with the profile. Confirm the fit.
Companies may be based in the metro or serve it from a nearby location. Read each feature for stated coverage, source notes, and the limits of the checks performed. Confirm availability, credentials, and the proposed scope directly for your project.
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All marketsHow we define and research this collection
Our initial collection covers the 50 largest U.S. metropolitan statistical areas by July 2025 population, using the Census Bureau’s Vintage 2025 estimates. Metropolitan areas include neighboring cities and suburbs; they are not limited to city boundaries. The scope covers the 50 states and Washington, D.C.
Each market has one feature in heating and cooling, roofing, remodeling, plumbing, and electrical. We match company materials with independent business records and identify the sources and review dates. Some businesses are regional operators or local branches. Published service areas vary by company.
Selection considers an identifiable local operation or stated local coverage and a favorable independent business record or separately identified industry recognition. Inclusion is editorial coverage, not a ranking or a guarantee of workmanship. A BBB letter grade is a business rating, not a customer-review score. Check the profile’s notes and current credentials for your project.
U.S. Census metropolitan population estimates · Our research approach