Plumbing Proposal Template: Free Builder & Example.

A plumbing proposal template is a document that shows the work, options, prices, warranty, and terms a customer can approve before a job begins. Use the filled-in example below, then customize a proposal with The New Flat Rate’s free proposal template builder.

The New Flat Rate is menu pricing software and training for home service contractors. Its free proposal builder lets you choose three options—Good, Better, and Best—or five options—Basic, Bronze, Silver, Gold, and Platinum. You can rename the options to match your business.

Last updated: Nov 2, 2026

Key takeaways

• Describe the problem and the exact work included.
• Show meaningful differences between options, with a total price for each.
• Separate your labor warranty from the manufacturer’s equipment warranty.
• Record the customer’s selected option and approval before starting.

Download the plumbing proposal template

Choose plumbing in the proposal builder, select three or five options, and rename the options to match your team’s presentation. Add your company details and logo, review the live preview, and use the PDF output shown in the builder. Anything left blank stays a fillable field on the PDF.

Customize your plumbing proposal template

Proposal builder preview: trade selection, company details, pricing options, warranty fields, and customer approval.

What should be included in a plumbing proposal template?

A plumbing proposal should identify the customer, describe the job, show the available options and prices, and explain the terms of approval. It should also state what is excluded, who handles permits, and how additional work will be approved.

1. Company and customer details: business name, contact information, applicable license details, customer name, and job address.
2. Proposal information: proposal number, issue date, and expiration date.
3. Problem and scope: what you found, what you will do, and what the customer should expect.
4. Equipment and materials: type, quantity, capacity, manufacturer, and exact model number once selected.
5. Options and totals: inclusions and the full price of each option, including how taxes and fees are handled.
6. Warranty: your labor coverage and the manufacturer’s separate parts or equipment coverage.
7. Schedule: expected duration, availability, access requirements, and any service interruption.
8. Payment: deposit, balance, due dates, and accepted payment methods.
9. Exclusions and changes: work not included and the process for approving added scope.
10. Acceptance: selected option, customer signature, contractor signature, and approval date.

What does a filled-in plumbing proposal look like?

A useful plumbing proposal shows one specific job and makes each option easy to compare. This fictional example covers replacement of a failed 50-gallon electric storage water heater in the same location, assuming existing electrical service is suitable.

Example contractor: Sample Plumbing Company. Customer: Jordan Example. Proposal: PL-104. Issued: October 20, 2026. Valid through: November 3, 2026. These names, prices, and terms are illustrative—not TNFR pricing, customer results, or recommended market rates.

Common scope in all three options: remove and dispose of the old unit; install the specified replacement; complete required connections, testing, cleanup, and applicable permit/inspection work. All mandatory safety and code work belongs in every applicable option; it is never a premium upgrade.

Sample line items: the Good package totals $1,800. Better adds a leak alarm for $100 and two scheduled maintenance visits for $250, totaling $2,150. Best adds a compatible automatic water shutoff package for $400 to Better, totaling $2,550; the final equipment and scope must be confirmed on site.

Sample schedule: one working day after equipment and permit availability are confirmed. Sample payment: balance due at completion. Exclusions: concealed damage, service relocation, and unlisted building repairs; any new scope requires a written price and customer approval before work proceeds.

Acceptance: Jordan Example selects Better at $2,150. Customer signature: __________________. Contractor signature: __________________. Approval date: __________________. The signature lines remain blank until the actual customer reviews and approves the final proposal.

How do I create an effective plumbing bid template?

Create a plumbing bid template by documenting the site conditions first, then turning the required work into a clear scope and price. Add options only when they give the customer a useful choice, and confirm every promised item before you present the proposal.

1. Inspect the job and write down the customer’s concern.
2. Choose the repair or replacement approach supported by the diagnosis.
3. Confirm equipment, materials, access, disposal, permit responsibilities, and exclusions.
4. Calculate each option from your own costs and profit requirements.
5. Check totals, warranty terms, and availability.
6. Present the choices, answer questions, and capture written approval.

Inspection preview: record findings before presenting options.

For water heater replacements, ENERGY STAR’s buying guidance recommends written estimates and checking permit and installation requirements. Equipment choices also need to match the home; a heat pump water heater, for example, has installation conditions that should be checked before it appears as a firm option.

See ENERGY STAR’s heat pump water heater buying guidance.

Plumbing bid vs. proposal vs. estimate

An estimate projects a cost, a bid offers a price for a defined scope, and a proposal explains the recommended work and available choices. Businesses use these labels differently, so the document should state whether the price is fixed, what it includes, and how changes are handled.

Five plumbing proposal mistakes to avoid

The most useful proposal fixes gaps that make approval harder: vague scope, unclear options, missing costs, confusing warranty terms, and no approval step. The points below are practitioner guidance, not measured claims about close-rate improvements.

1. Writing “replace water heater” with no detail. The customer cannot compare what is included; list capacity, model, removal, connections, and testing.
2. Changing only the option name. Explain the actual equipment, service, or protection added at each level.
3. Leaving fees unstated. Identify taxes, disposal, and permit charges so the customer understands the total.
4. Combining all coverage into “full warranty.” State who provides each warranty, its duration, and its exclusions.
5. Starting without a selected option. Capture the approved package, total, and signature to reduce scope confusion.

Check manufacturer coverage instead of guessing. Rheem’s warranty resource lets owners register products and verify coverage using the product’s serial number; your proposal should reference the actual equipment warranty and list your company’s labor coverage separately.

Check Rheem’s warranty and registration resources.

How does menu pricing change a plumbing proposal?

Menu pricing presents several clearly priced solutions so the customer can choose the level of work that fits their needs. A price book is the organized list of tasks and prices behind those choices; the proposal records what the customer is being offered and what they approve.

Choose the three-option or five-option layout in the free builder, then fill each option from your findings and the customer’s priorities. The example above uses three options; the five-option layout gives you two additional choices to define. TNFR’s Menu Pricing System and training support a consistent presentation process beyond the template itself.

Explore TNFR’s plumbing menu pricing software.

Get the Menu Pricing Toolkit.

See contractor training and coaching.

Browse more free contractor templates.

Plumbing proposal template FAQs

Can you recommend some good plumbing proposal templates online?

Start with a template you can edit and check against your actual jobs. The example on this page gives you a structure for scope, options, pricing, warranty, and approval. Compare any other template against that checklist, and remove clauses or promises that do not match how your business works.

What should be included in a plumbing proposal template?

Include company and customer details, the job address, scope, equipment, prices, warranty, schedule, payment terms, exclusions, and acceptance. If you offer multiple options, show the differences clearly. State how taxes, permits, and added work are handled so the customer knows what the approved price covers.

How do I create an effective plumbing bid template?

Begin with a repeatable layout, then fill it from the actual diagnosis and site conditions. Specify materials, labor scope, equipment, and exclusions before setting the price. Check every total and promised term, present the appropriate options, and record the customer’s selection and approval before starting the work.

Should a plumbing proposal include repair and replacement options?

Include both when your diagnosis supports both and the customer has a meaningful choice. Explain what the repair addresses, what it leaves unchanged, and what replacement includes. If repair is unsuitable, explain why instead of creating an artificial low-price option. Each offered choice must be appropriate for the job.

Can I use this proposal template for water heater jobs?

Yes, adapt it to the specific water heater and installation. Add capacity, fuel type, exact model, disposal, connection work, permit responsibility, and testing. Confirm site requirements before promising a different technology or location. List manufacturer coverage separately from your labor warranty, and replace every sample price with your own calculation.

Is this template the same as plumbing proposal software?

No. A template gives you a reusable document layout; software can help organize pricing and present choices during the service call. TNFR focuses on menu pricing and training for contractors. Use the template to clarify the approved work, and evaluate software based on how your team builds and presents its options.

Give customers a clear choice

Start with a complete scope, show the differences between your options, and make approval easy. If your technicians need a consistent way to present those choices, see how The New Flat Rate’s plumbing Menu Pricing System works.