How to Compare Contractor Bids in 2026 (Without Getting Burned)

Why Are Contractor Bids So Different From Each Other?

The short answer: they are usually not measuring the same thing.

As a licensed GC who has completed hundreds of remodels across the Bay Area, I can tell you that two bids for the same kitchen remodel can legitimately differ by $40,000 or more - and both contractors can be honest. Different material grades, different subcontractor relationships, different overhead structures, different assumptions about what is included. That is the problem. You are not comparing apples to apples. You are comparing a produce stand to a wholesale warehouse to a Costco, and nobody told you.

Based on 2026 construction cost data, a mid-range kitchen remodel in the Bay Area runs $80,000 to $160,000. A high-end remodel hits $200,000 and above. If three bids come back at $110K, $115K, and $72K, the question is not "should I go with the $72K?" The question is "what did the $72K contractor leave out?"

The only way to answer that is to break each bid apart line by line. Here is how.

What Should Every Contractor Bid Include Before You Compare Anything?

A real bid is not a number on a napkin. If it does not include these items, it is an estimate - and an estimate is not a commitment.

Before you compare anything, make sure every bid you received contains all of the following:

• Scope of work - a written description of exactly what work will be done, room by room, task by task
• Allowances - line items like "tile allowance: $12/sq ft" tell you what material budget was assumed; if your taste runs higher, the price goes up
• Exclusions - what the bid specifically does not cover (permits, debris removal, painting, appliance delivery)
• Payment schedule - how and when draws are requested; a draw schedule tied to milestones is standard on any project over $25,000
• Timeline - start date, estimated completion, milestone dates
• Warranty - at minimum 1 year on workmanship; California law requires it on new construction
• License number - a California contractor's CSLB license number, which you can verify at cslb.ca.gov in 30 seconds

From working with homeowners on projects ranging from $50K to $2M+, I have seen homeowners accept bids that were missing four or five of these items. Then the change orders hit. Do not accept an incomplete bid. Send it back and ask for the missing pieces.

How Do You Do an Apples-to-Apples Comparison Between Bids?

Build a comparison spreadsheet. Do not compare the bottom-line numbers first. Compare each line item side by side.

Here is what to look at for every category:

Once you have everything in the same grid, the real comparison happens. A bid that looks $20,000 cheaper often has $25,000 of work excluded. The tools available today can do this comparison automatically - platforms like Opsite let homeowners upload multiple bids and get a side-by-side breakdown in minutes at useopsite.com.

What Does It Mean When One Bid Is 30 Percent Lower Than the Others?

It means something is wrong. Full stop.

Get three bids minimum. Not two, not one. Three. And if the lowest bid is 30% or more below the other two, that is not a deal. That is a contractor who will hit you with change orders later, or who will walk off the job halfway through when they realize they cannot make money.

Based on typical project data from Bay Area contractors, here is what a low-ball bid actually signals:

• Missing scope - they did not include work the others included; you will pay for it in change orders
• Low allowances - they budgeted builder-grade everything; upgrades cost extra
• Unlicensed or under-insured - no overhead for proper insurance means lower bids; also means you have zero protection
• Desperate for cash - a contractor who bids low to win work and makes up profit later through change orders is one of the oldest tricks in the industry

As a contractor, I can tell you that good contractors do not lowball. Their labor costs are real. Their materials cost what they cost. If someone is 30% under market, ask yourself: what are they cutting?

According to CSLB complaint data, change order abuse is one of the most common complaints filed by California homeowners. The pattern is always the same: very low initial bid, reasonable-seeming start, then change order after change order until the project is 40-60% over the original number.

Add 15-20% contingency to your budget. Not 10%. Every project hits something unexpected - especially in older homes where you do not know what is behind the walls until demo starts.

How Do You Verify a Contractor Is Legitimate Before Accepting a Bid?

Go to cslb.ca.gov right now and look up their license number. Takes 30 seconds. You want to see: Active license, correct classification for the work they are doing, active bond, and active workers' compensation insurance.

Here is what each of those actually means for you:

• Active license - they are legally allowed to contract in California. If the license is expired or suspended, walk away immediately
• Classification - a B (General Building) license covers most remodels; specialty work like electrical (C-10) or plumbing (C-36) requires the right specialty license
• Bond - California contractors are required to carry a $25,000 contractor's bond. If they default or cause damage, you can make a claim
• Workers' compensation - if a worker gets hurt on your property and the contractor has no WC, you could be liable. This is not a technicality. This is a real financial risk

In my experience building homes across Silicon Valley since 2017, I have seen homeowners skip this check and pay for it later. One homeowner I spoke with hired an unlicensed contractor who abandoned the job after taking a $45,000 deposit. No CSLB protection, no bond recourse, nothing.

The CSLB license check at homeowners.useopsite.com/check pulls the live CSLB database, so the status you see is current - not cached from months ago. It also flags disciplinary actions and past complaints, which the basic CSLB website shows but most homeowners do not know to look for.

After you confirm the license, ask for proof of general liability insurance. Standard is $1 million per occurrence. Ask them to add your address as an additional insured on the certificate. A real contractor will do this without pushback. An unlicensed or under-insured one will make excuses.

What Are the Biggest Red Flags to Watch for in a Contractor Bid?

These are the patterns that should make you stop and reconsider before signing anything.

• No license number on the bid - a licensed contractor's license number should appear on every written proposal, business card, and vehicle. Its absence is a flag
• Large upfront deposit demand - California law caps deposits at 10% of the total contract price or $1,000, whichever is less (for projects over $2,500). Any contractor asking for 30-50% upfront is either legally wrong or financially desperate
• Cash-only pricing - legitimate contractors accept checks or bank transfers and provide receipts. Cash-only means no paper trail
• Pressure to sign today - "this price is only good until Friday" is a sales tactic, not a real supply constraint. Good contractors are booked out; they are not desperate for your signature this week
• Vague scope language - phrases like "kitchen remodel as discussed" or "materials as needed" are not a scope of work. You need specifics
• No physical address - a contractor operating only from a cell phone and a pickup truck is a risk. Where will you reach them if something goes wrong?

From working with homeowners on projects ranging from $50K to $2M+, I have noticed that homeowners who take the time to read the contract carefully before signing - not after - almost never end up in disputes. Those who sign quickly because they felt pressured or trusted the contractor's handshake almost always regret it.

Before you sign any construction contract, it is worth having it reviewed by someone who knows what to look for. Opsite's AI contract review at useopsite.com flags high-risk clauses, missing lien waiver provisions, and payment terms that favor the contractor over you. It is $199 and it has saved homeowners tens of thousands by catching problems before work starts rather than during a dispute.

For more on what should be in your contract and how draw schedules work, read our guide on what is a draw schedule and how it protects you.

And if you want to understand what a fair price for your project looks like before bids even arrive, our kitchen remodel cost guide breaks down typical ranges for 2026 by project tier.

Frequently Asked Questions

How many bids should I get for a home remodel?

Get three bids minimum. Two is not enough to establish a market baseline. One is not even a data point. Three bids let you identify the outlier - either suspiciously low or suspiciously high - and understand what a fair price for your specific project looks like in the current market.

Is the lowest contractor bid always the worst choice?

Not always, but a bid that is 30% or more below the others is almost always a problem. It usually means missing scope, low material allowances, or a contractor who plans to recover margin through change orders. The lowest bid that includes the same scope, same materials, and same timeline as the others is worth considering. The lowest bid that is vague and incomplete is not.

What is an allowance in a contractor bid and how does it affect my price?

An allowance is a placeholder budget for materials you will select later, like tile, fixtures, or countertops. If the contractor sets a $10/sq ft tile allowance and you pick $25/sq ft tile, you pay the difference. Always check every allowance against what you actually want. Allowances are one of the most common reasons final costs exceed the original bid.

Can I negotiate a contractor bid?

Yes, but do it intelligently. Do not just ask for a lower number. Ask what you would need to change about the scope to reduce the price. Phasing the project, choosing a different material tier, or doing some demo yourself are legitimate ways to reduce cost. A contractor who simply drops the number without changing anything is giving you a number they were never confident in.

What is the difference between a bid, an estimate, and a quote?

A bid or fixed-price proposal is a commitment to complete defined work for a specific price. An estimate is a rough projection that can change. A quote typically refers to a fixed price for a specific item or service. Always ask for a bid or fixed-price proposal, not an estimate, so you have a documented commitment you can reference if costs change.

How long does a contractor bid typically stay valid?

Most contractors hold bids open for 30 to 60 days. Material costs fluctuate, especially lumber and copper, so contractors protect themselves with expiration clauses. If you are comparing bids, get them within two to three weeks of each other so they are using similar material pricing. Bids collected months apart are not a fair comparison.

Should I tell contractors what the other bids came in at?

I advise against it. Sharing competing numbers changes the dynamic from 'what is fair for this project' to 'how low can I go to beat the competition.' You want contractors to bid based on their actual costs and margins, not in reaction to each other. The exception is if you genuinely prefer a specific contractor and want to give them a chance to sharpen their number - in that case, being transparent about the gap is fair.

What happens if my contractor asks for more money than the original bid?

Any price change after the contract is signed should come as a written change order. A change order must describe the additional work, the reason for the change, and the exact additional cost. Never authorize verbal change orders. Never pay for additional work that was not documented in writing before it happened. If your contractor is adding costs without change orders, that is a serious contract violation and a CSLB-reportable issue.