COSTCHECK

Guide

How to Tell If a Contractor Quote Is Fair

Five steps, five minutes. Use published data to evaluate any home repair quote before you sign.

5-Step Quote Evaluation

1

Check the scope

Does the quote itemize equipment, labor, permits, removal, and disposal separately? A lump sum with no breakdown is the #1 red flag. Ask for a line-item quote before comparing anything.

2

Compare against published data

Look up the published range for your equipment type and project. A 50-gallon gas tank replacement runs $700–$2,500 nationally. Tankless gas: $1,500–$6,000. If your quote is outside the range, there should be a clear reason.

View published ranges →
3

Verify local requirements

Check whether your city requires a permit (most do — $50–$250). Check if utility rebates are available that could reduce your net cost. The contractor should handle permits — if they suggest skipping it, walk away.

Check rebates →
4

Identify what's missing

Common items left out of quotes: permit fees, expansion tank ($40–$150), disposal of old unit ($100–$300), code upgrades in older homes, venting modifications for gas units. These show up as change orders after work starts.

What should be included →
5

Ask the right questions

Does this include the permit and inspection? What's the warranty on your labor? Are there foreseeable complications that could increase the price? Is this quote valid for 30 days? Can you provide your license number?

Or skip the manual work.

Paste your quote into CostCheck. We do steps 1–5 automatically — compare against 8 sources, check your local permits and rebates, flag missing items, and generate the questions for you.

Analyze Your Quote — Free

Red Flags in a Contractor Quote

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Lump sum, no breakdown

Ask for itemized quote. If they refuse, get another quote.

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No permit mentioned

Required in most cities. Ask: "Will you pull the permit?"

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No license number on quote

Verify licensing with your state board before hiring.

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Price well below published range

May exclude items or indicate unlicensed work.

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Large upfront deposit (>30%)

Standard: 0-10% deposit, balance on completion.

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Pressure to sign today

Legitimate contractors don't pressure. Valid quotes last 30 days.

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Verbal quote only

Get everything in writing before any work begins.

Questions About Contractor Quotes

How do I know if a contractor quote is fair?▼
Compare the total against published ranges for your equipment type and market. Check that the quote itemizes equipment, labor, permits, and disposal separately. If it's a lump sum with no breakdown, ask for one. A fair quote includes everything needed to complete the work — no surprise charges after signing.
How many contractor quotes should I get?▼
At least 2, ideally 3. More important than the number: make sure each quote covers the same scope. A $1,400 quote that excludes permits and a $1,800 quote that includes them may be the same actual cost.
What should a contractor quote include?▼
A complete water heater quote should itemize: the unit (brand, model, size), labor hours or flat rate, removal and disposal of old unit, permit fee, any modifications (venting, gas line, electrical, plumbing), expansion tank if code-required, and warranty terms for both equipment and labor.
Is the cheapest quote always the best?▼
No. Unusually low quotes may exclude permits, use lower-quality equipment, skip code compliance, or indicate an unlicensed contractor. Compare the scope, not just the bottom line. The best value is a complete quote from a licensed, insured contractor at a competitive price.
What are red flags in a contractor quote?▼
Lump sum with no line items. No mention of permits. Verbal-only quote (nothing in writing). Demand for large upfront deposit (over 30%). No contractor license number on the quote. Price significantly below published ranges. Pressure to sign immediately.
Can I negotiate a contractor quote?▼
Yes, especially if you have competing quotes. Show the contractor what others are charging for the same scope. Ask about specific line items that seem high. Many contractors will match or beat a competitor's price for the same work. Getting quotes in a low-demand season (spring/summer) gives you more leverage.
Should the contractor pull the permit?▼
Yes. In most jurisdictions, the licensed contractor should pull the plumbing permit and schedule the required inspection. If a contractor suggests skipping the permit, that is a serious red flag — unpermitted work can void insurance, create liability issues, and cause problems when selling the home.
How long is a contractor quote valid?▼
Typically 30 days, but ask. Material prices can change, especially for specialty equipment. If a quote doesn't state a validity period, ask for one in writing before assuming the price holds.
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