How to choose a roofing contractor.

Updated July 2026 · Zenith Construction

The cheapest bid and the best value are rarely the same thing. Here's what actually separates a roofer worth hiring.

What to check before you hire

• Licensed, bonded and insured. In Washington, verify the contractor's license and insurance — it protects you if something goes wrong. (Ours is ZENITCL772NM.)
• Local and established. A local company is accountable and still here for warranty work — not gone after the season.
• Full tear-off, not roof-over. A good roofer removes the old roof and inspects the decking. Roofing over old layers hides rot.
• A detailed written estimate. Materials, tear-off, flashing, ventilation and warranty spelled out — not one vague number.
• A workmanship warranty. The installer should stand behind the labor, not just pass you to the manufacturer.
• Manufacturer certification. Certified installers can offer enhanced warranties — see how warranties work.
• Real, verifiable reviews and references in your area.

Red flags to walk away from

• Storm-chasers knocking door to door right after a storm, pushing you to sign today.
• Large upfront deposits or cash-only, no written contract.
• High-pressure, "today-only" pricing. A fair price is a fair price next week too.
• No physical local address or a license they won't give you.
• A bid far below everyone else's. It usually means corners you can't see yet — see how we install for exactly which ones.

Questions worth asking

Will you tear off to the deck and inspect the decking? What's your workmanship warranty? Are you certified with the manufacturer? Can I see your license and proof of insurance? Who's my point of contact during the job?