If two or more items apply, pause and collect another written quote. Pair with our interactive quote scorecard on the vetting page.
Walk away signals
- Storm chaser with no verifiable local address after hail
- Pressure to sign today for materials discount or expiring credit
- Cash-only, no contract, or lump-sum quote without line items
- Bid far below peers — missing tear-off, permits, or decking
- Financing paperwork before written equipment and labor scope
Solar-specific
- Lease presented as free panels without escalator disclosure
- No written roof penetration or removal-and-reinstall clause
- Production guarantee without shade analysis on tree-lined lots
- Installer cannot name racking and flashing manufacturer
Verify anyway
- Active trade license on state board (not just LLC filing)
- GL and workers comp certificates naming your address
- Manufacturer certification (GAF, CertainTeed, NABCEP) if claimed
- Payment schedule ≤33% upfront before materials on site