Owner's guide
How to compare contractor bids.
A plain-language guide for owners weighing proposals on a complex private home, before anything is signed.
The trap
Why the lowest bid rarely wins.
The honest comparison is not price against price. It is scope against scope, and it takes a line-by-line read of each proposal: what is included, what is excluded, which materials are named, and which are left as allowances to be decided later with your money.
One word. Three different jobs.
What do you mean by “pool”?
On the drawing, it is one shape. In a bid, it is one line. Inside that word may sit all of this.
| Inside the word | Contractor 1 | Contractor 2 | Contractor 3 |
|---|---|---|---|
| Structure | Included | Included | By owner |
| Waterproofing | Included | Included | By owner |
| Finishes | Included | Allowance | By owner |
| Filtration | Included | Allowance | By owner |
| Heating | Included | Allowance | By owner |
| Lighting | Included | Allowance | By owner |
| Automatic cover | Included | Allowance | By owner |
| Controls | Included | Allowance | By owner |
| Drainage | Included | Included | By owner |
| Equipment room | Included | Allowance | By owner |
| Installation | Included | Allowance | By owner |
All three can be acting honestly. Three bids may still be three prices for different things.
Before the contract
Your bargaining power is strongest before you sign.
Before signature, three contractors want the job. Missing scope can be added and priced by all of them. After signature, one contractor is on your site and anything left open is priced by that contractor alone.
Before you sign
Real choices.
You can compare complete scopes, resolve gaps and negotiate with real choices.
After you sign
Leverage changes hands.
The site is moving. The clock is running. Every unanswered question has leverage attached to it.
The comparison
Read every bid against the same scope.
Start with one document: the scope you want built, written plainly, with finishes named and quantities stated. Send the identical document to every bidder.
When each proposal comes back, map it against that scope line by line and record where a builder went quiet. Silence in a bid is not a saving; it is a decision someone will make later without you in the room.
For every line item, ask:
- What is specified?✓
- What remains an allowance?✓
- Who installs it?✓
- What connects to it?✓
- Who is responsible?✓
Before you sign
Four questions to ask every bidder.
- 01
What is excluded?
Ask each bidder to list what the number does not cover, in writing. The exclusions tell you more than the inclusions.
- 02
Which allowances are soft?
Every allowance is a guess until someone shops it. Ask what each figure buys, and what happens when it runs out.
- 03
Who reviews change orders?
Change orders are where budgets move. Ask who checks each one for accuracy before it reaches your signature.
- 04
Who answers to you?
Name the person who carries your interest through the whole build, and confirm they are not also carrying the builder's.
The protection
Who holds the whole picture?
Architects draw, engineers size, builders build, and each one is accountable for their own slice. Between those slices live the gaps: the door schedule nobody owned, the lighting layout that arrived after rough-in, the allowance that ran out in month four.
Somebody has to hold the entire project, answer to you alone, and be present from the first bid review through the last punch list item. That is the difference between hiring a builder and hiring someone whose only job is your interest. Before you sign anything, decide which one you are getting, and get it in writing.
Questions to ask home renovation contractors before you sign the contract. Signing is the moment the balance shifts.
Bring us in before the bid.
Send us the proposals you have in hand and we will show you where they differ.