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Guides for hiring a pro

Check the license and the insurance yourself before you call. Free, written for homeowners, and checked November 8, 2026. General information, not legal or insurance advice.

License guides

13 licensed trades in all 50 states and DC
Who issues the license, and a link to look it up on the state board
What the license looks like on an ExpertMarketplace listing

All license guides

Insurance guide

General liability vs workers’ comp vs bonds
How much coverage is typical
How to read the certificate, line by line, and six questions to ask

Read the insurance guide

By trade

PlumbersLicense by state Insurance to ask for

ElectriciansLicense by state Insurance to ask for

Heating and air conditioningLicense by state Insurance to ask for

RoofersLicense by state Insurance to ask for

General contractorsLicense by state Insurance to ask for

Kitchen and bath remodelersLicense by state Insurance to ask for

HandymanInsurance to ask for

Furniture assemblyInsurance to ask for

Fitness equipment assemblyInsurance to ask for

Playsets and outdoor playInsurance to ask for

Sheds and outbuildingsInsurance to ask for

TV mounting and home theaterInsurance to ask for

Smart home and securityInsurance to ask for

Appliance installation and repairInsurance to ask for

Grills and outdoor kitchensInsurance to ask for

Cabinets and countertopsInsurance to ask for

CarpentersInsurance to ask for

Decks, porches and patiosInsurance to ask for

Fences and gatesInsurance to ask for

Concrete, brick and stoneInsurance to ask for

Foundations and waterproofingLicense by state Insurance to ask for

FlooringInsurance to ask for

Tile and stoneInsurance to ask for

Drywall and insulationInsurance to ask for

PaintersInsurance to ask for

Windows and doorsInsurance to ask for

Garage doorsInsurance to ask for

Siding and guttersInsurance to ask for

LandscapingInsurance to ask for

Tree serviceInsurance to ask for

Pools, spas and hot tubsLicense by state Insurance to ask for

CleaningInsurance to ask for

Junk removal and movingInsurance to ask for

Pest controlLicense by state Insurance to ask for

Home inspectors and appraisersLicense by state Insurance to ask for

Mold, asbestos and restorationLicense by state Insurance to ask for

Solar and energy efficiencyLicense by state Insurance to ask for

Holiday and permanent lightingInsurance to ask for

Designers and architectsLicense by state Insurance to ask for

Specialty installsInsurance to ask for

Coming next: a state-by-state workers’ comp table.