How to Get 3 Roofing Bids That Are Actually Comparable
Most homeowners collect three bids that can't be compared. Here's the exact scope-of-work spec that makes bids apples-to-apples.
Three bids at $14,000, $18,500, and $23,000 don't tell you who's cheapest — they tell you three contractors bid three different jobs.
Send every contractor the same one-page spec and the bids become comparable to the dollar.
The one-page spec every bid must answer
Tear-off: single or double layer, disposal included?
Decking: replacement price per sheet, and how many included in base bid?
Underlayment: synthetic (which brand)? Ice-and-water shield — how many feet at eaves, valleys, penetrations?
Shingles: exact brand + line + color (e.g., GAF Timberline HDZ, Charcoal).
Flashing: replaced or reused? Step flashing at walls new?
Pipe boots, vents, ridge cap: new or reused?
Warranty: labor years + manufacturer registration?
Cleanup: magnetic sweep, dumpster placement, landscaping protection?
What a real bid looks like
Line-itemed with quantities (squares, LF of ridge, LF of ice-and-water). Not a single 'roof replacement' line for $18,500.
Red flags in a bid
'Decking as needed at $XX/sheet' without a base allowance. 'Standard warranty.' No brand names for shingles or underlayment. Deposit >30%.
Frequently Asked Questions
- Should I always take the lowest bid?
- No. Take the middle bid from the contractor whose scope matches yours line-for-line and whose reviews are >4.6 with >100 reviews.
- How many bids is enough?
- Three from local, established roofers. More than five wastes contractor time and stops helping.
Price your roof before you sign anything
Get a real 2026 cost estimate for your roof, then compare it against your contractor bids line-by-line.