Remodel Bid Package: Line Items, Allowances, and Change Orders
A remodel job is not a new-construction job with a shorter schedule. The walls hide things. The owner has opinions. The scope drifts. And if your remodel bid package does not account for all three of those realities before you sign anything, you will spend the back half of the job arguing about money instead of building.
This guide walks through how to structure a remodel bid from the first site walk to the final proposal, covering line items, allowances, exclusions, and the change order language that keeps you whole when the job changes, which it will.
Key Takeaways:
- A remodel bid package is not just a price. It is a written record of what you agreed to build, what you excluded, and what triggers a change order.
- Allowances protect the owner’s flexibility on finish selections. Exclusions protect your margin on work you cannot price without more information.
- Change orders should be defined in the original contract, not invented mid-job.
- Vague scope language is the single biggest driver of remodel disputes and margin erosion.
- A first-draft estimate built from a plain-English job description can cut your prep time significantly, but the contractor still owns the final numbers.
Table of Contents
- What Goes Into a Remodel Bid Package
- Building the Line-Item Estimate
- How to Handle Allowances and Exclusions
- Unknowns, Contingencies, and What to Do When the Wall Opens Up
- Writing Change Order Language That Actually Holds
- Common Mistakes to Avoid
- Key Takeaways
- Next Steps
What Goes Into a Remodel Bid Package
A remodel bid package is the full set of documents you hand to an owner before they sign a contract. At minimum it includes a scope of work, a line-item estimate, a list of allowances and exclusions, a payment schedule, and your change order terms. Some GCs also include a project schedule, a subcontractor list, and a clarifications section that spells out assumptions.
The reason you need all of that, not just a total price, is that remodel jobs are defined by ambiguity. According to the National Association of Home Builders, remodeling accounts for roughly 40% of all residential construction activity in the U.S. That volume means owners have seen a lot of bids, and the ones who have been burned before will read your exclusions section carefully. The ones who have not been burned yet will learn why it matters when the first surprise shows up behind the drywall.
A complete bid package does three things at once. It tells the owner what they are buying. It tells your subs what they are pricing. And it tells a judge or arbitrator what you agreed to, if it ever comes to that.
Building the Line-Item Estimate
The line-item estimate is the core of the package. A single lump-sum number is not a bid. It is a guess with a dollar sign in front of it. Line items force you to think through the job in sequence, and they give the owner a basis for comparison if they are getting multiple bids.
For a typical kitchen or bathroom remodel, your estimate should break down into at least these categories:
- Demolition and disposal: Dumpster rental, labor hours for demo, haul-away fees, and any hazmat testing or abatement if the house is pre-1980.
- Rough framing and carpentry: New walls, blocking for cabinets, structural modifications if any.
- Mechanical rough-in: Plumbing, electrical, and HVAC work before drywall. These should come from your subs or from your own crew’s labor rates, not from memory.
- Insulation and drywall: Square footage, not a round number.
- Finish carpentry: Cabinet installation, trim, doors.
- Tile and flooring: Material and labor separated, because material costs swing with owner selections.
- Painting: Prep, prime, and finish coats. Specify the number of coats.
- Fixtures and appliances: Either a specific model with a specific price, or an allowance (more on that below).
- Final inspections and permits: Pull this out as its own line. Owners forget permits cost money until they see the invoice.
- General conditions: Your supervision time, project management, temporary facilities, and overhead allocation.
- Profit margin: You can show this as a line item or roll it into your rates. Either way, know what it is before you submit.
According to RSMeans data published by Gordian, labor costs on residential remodel projects typically run 35-50% of total project cost, depending on trade mix and region. If your estimate is showing labor at 20%, something is missing. If it is showing 65%, you are either in a very high-cost market or you have double-counted something.
The goal of line-item estimating is not to overwhelm the owner with detail. It is to force yourself to account for every phase before you commit to a price.
How to Handle Allowances and Exclusions
Allowances and exclusions are the two tools that let you submit a bid before every decision is made. They are not the same thing, and confusing them is a reliable way to lose money.
An allowance is a budget placeholder for an item the owner has not selected yet. You include it in your total price. If the owner spends more than the allowance, they pay the difference. If they spend less, you credit them back. A typical allowance line might read: “Plumbing fixtures: $3,500 allowance. Owner to select from approved vendor list. Overages billed at cost plus 15%.”
Allowances work well for finish items: tile, fixtures, appliances, lighting, hardware, and countertops. They do not work well for structural unknowns, because you cannot set a reasonable allowance for something you have not seen yet.
An exclusion is a scope item you are explicitly not pricing. You list it so the owner knows it is not in your number and needs to be addressed separately. Common exclusions on remodel bids include:
- Asbestos or lead abatement (pending testing results)
- Structural engineering fees
- Work behind walls that cannot be inspected before demo
- Landscaping and exterior work not discussed in the walkthrough
- Furniture moving and storage
- Permit fees if the jurisdiction has not published current rates
The difference matters in a dispute. An allowance is a number you included. An exclusion is a number you did not include. Both need to be written clearly in the bid package, not buried in fine print.
A useful rule: if you cannot price it accurately, either exclude it or set an allowance with a clear overage clause. Never absorb an unknown into your overhead and hope for the best.
Unknowns, Contingencies, and What to Do When the Wall Opens Up
Every experienced remodeler has a story about the wall that opened up. Rotted framing. Knob-and-tube wiring. A drain line that was never where the drawing said it was. These are not surprises in the sense that you could not have anticipated them. They are surprises in the sense that you could not have priced them before demo.
There are two ways to handle this in the bid package.
The first is a contingency line item. You add a percentage, typically 5-15% of the total project cost, as a named line in the estimate. The contingency covers unforeseen conditions discovered during construction. You define in the contract what qualifies as an unforeseen condition and what the process is for drawing against it. If the contingency is not used, you credit it back or keep it depending on how you structured the contract.
The second approach is to exclude all concealed conditions and handle them as change orders when they appear. This keeps your base bid lower and makes you more competitive on price, but it requires a very clear change order process (covered in the next section) and an owner who understands that the number can move.
Most experienced GCs use a combination: a modest contingency for minor surprises, plus explicit exclusion language for anything that would require a structural engineer or a hazmat contractor.
According to a 2025 survey by the Remodeling Futures Program at Harvard’s Joint Center for Housing Studies, cost overruns on residential remodel projects average 12-18% above the original contract price. A well-structured bid package with clear allowances, exclusions, and contingency language does not eliminate overruns, but it does determine who pays for them.
Writing Change Order Language That Actually Holds
Change orders are where remodel jobs either stay profitable or fall apart. The problem is not that changes happen. The problem is that most GCs do not define the change order process clearly enough in the original contract, so every change becomes a negotiation.
Your bid package should include a change order clause that covers at minimum:
- What triggers a change order: Any work not described in the original scope of work, any owner-directed change to materials or methods, and any unforeseen condition not covered by the contingency.
- How changes are priced: Time and materials with a markup percentage, or a fixed-price change order submitted before work begins. Specify which method applies and when.
- Authorization requirements: Who can authorize a change order on the owner’s side. If the owner’s spouse or designer can verbally authorize work, you need that in writing before you start.
- Timeline for approval: If the owner does not respond to a change order request within a defined period (48-72 hours is common), work stops or proceeds at your discretion, depending on how you write it.
- Impact on schedule: Changes that add scope should also add time. Your change order form should include a field for schedule impact, not just cost impact.
The change order form itself should be a one-page document: description of the change, reason for the change, cost breakdown, schedule impact, and signature lines. Keep it simple enough that an owner will actually read and sign it on the job site.
One practical note: verbal change orders are not change orders. They are conversations. If you do work based on a verbal instruction and the owner disputes the cost later, you have very little to stand on. The discipline of getting signatures before starting changed work is the single most effective margin protection tool available to a remodel GC.
Common Mistakes to Avoid
- Submitting a lump-sum price without line items. It looks clean, but it gives the owner no basis for understanding your number and gives you no protection when scope questions come up.
- Setting allowances too low to be competitive. A $1,500 tile allowance on a master bath remodel is not realistic in most markets. When the owner picks $8 tile and you quoted $3 tile, you either eat the difference or have a fight.
- Forgetting to list exclusions. If you did not price it and you did not exclude it, the owner can reasonably argue it was included.
- Using vague scope language. “Kitchen remodel per owner discussion” is not a scope of work. It is an invitation to a dispute.
- Skipping the contingency on older homes. Pre-1970 construction almost always has something behind the walls. Price accordingly.
- Not defining who authorizes changes. On jobs with multiple decision-makers, this is how you end up doing $15,000 in extra work that nobody will pay for.
- Treating the change order process as adversarial. A well-written change order protects both parties. Frame it that way with the owner from the start.
Key Takeaways
- A remodel bid package includes a scope of work, a line-item estimate, allowances, exclusions, a payment schedule, and change order terms. A total price alone is not a bid.
- Line items force you to think through every phase before you commit. They also give the owner a basis for understanding your number.
- Allowances cover finish selections the owner has not made yet. Exclusions cover work you cannot price without more information. Both need to be written clearly.
- Contingency lines (typically 5-15% of project cost) handle minor unforeseen conditions. Major unknowns should be excluded and handled as change orders.
- Change order language in the original contract determines whether changes are profitable or painful. Define the trigger, the pricing method, the authorization process, and the schedule impact before the job starts.
- Verbal change orders are not change orders.
Next Steps
If you are spending more time building the first draft of a remodel estimate than you are refining it, that is worth looking at. ScopeGauge is built for general contractors who need to turn a job description into an editable, line-item estimate without starting from a blank spreadsheet every time.
You describe the job in plain English, the way you would explain it to a sub, and ScopeGauge generates a structured first draft with line items you can edit, adjust, and price against your own rates. You still own the final bid. The tool just handles the part that takes the most time before any real judgment is required.
If you want to see how it works on a job you are actually pricing right now, take a look at the ScopeGauge homepage and try it on one real estimate. No commitment required.
Related Resources
- General Contractor Estimating Software: How GCs are using structured estimating tools to cut bid prep time without losing accuracy.
- For General Contractors: The full resource hub for GC estimating, subcontractor coordination, and proposal workflows.
- Blog: More field-practical guides on estimating, bidding, and running a contracting business.
Sources
- National Association of Home Builders. Remodeling market data. https://www.nahb.org/
- Gordian RSMeans. Residential construction cost data, 2026 edition. https://www.gordian.com/resources/rsmeans/
- Harvard Joint Center for Housing Studies, Remodeling Futures Program. 2025 survey on residential remodel cost outcomes. https://www.jchs.harvard.edu/research-areas/remodeling