For plumbing contractors & estimators
For plumbing contractors & estimators

Estimate plumbing work in minutes, not days

OneEstimate builds plumbing estimates with ready line items for hot/cold supply, drainage, fixtures and fittings, measures the piping on the plan, and prices from material and labor costs you update in one click.

Create your first estimate free

Start plan from $19/mo · No credit card · Runs in your browser

oneestimate.ai
OneEstimate — For plumbing contractors & estimators

Plumbing has its own cost logic

Linear feet of pipe, fixtures and fittings. Here is what OneEstimate fixes.

Counting pipe and fittings by hand

Adding up feet of PEX, copper or PVC, elbows, tees and valves on a PDF is slow. Measure the runs on the plan and count fittings in minutes.

Material prices that keep moving

Pipe, fixtures and fittings change price. Update them once and every estimate recalculates.

Labor units everyone computes differently

Labor per fixture or per foot of pipe varies. Standardized assemblies keep your bids consistent and defensible.

Bids that don’t look professional

A breakdown by supply, drainage and fixtures, in a branded PDF, closes more than a lump sum.

Inside the platform

See OneEstimate in action

The same software thousands of builders use, with a workflow built for your trade.

Assemblies & line items

Ready plumbing assemblies

Hot/cold supply (PEX, CPVC, copper, PVC), sanitary drainage, fixtures, valves and fittings — with material, labor and productivity, editable.

Assemblies & line items — OneEstimate
Assemblies & line items
On-screen takeoff

On-screen takeoff

Upload the plan as a PDF or image, calibrate the scale, then measure pipe runs and count fixtures and rough-ins. Everything feeds its line item.

On-screen takeoff — OneEstimate
On-screen takeoff
Cost items & prices

Material costs you control

Update the price of pipe, fixtures and fittings in your database and every estimate uses the new value.

Cost items & prices — OneEstimate
Cost items & prices

Built for plumbing work

Everything a plumbing contractor needs to bid fast and win the job.

AI that suggests line items

Describe the scope ("rough-in for a 2-bath home") and AI proposes pipe, fixtures and fittings to start fast.

Breakdown by system or zone

Organize by cold supply, hot supply, drainage or by wet zone. Total clarity in the proposal.

Export branded PDF & Excel

Send a professional proposal with your logo in one click, or export to Excel.

From plan to proposal in 4 steps

The workflow plumbers use after leaving the spreadsheet.

1

1. Upload the plan

Load the plumbing plan as a PDF or image and calibrate the scale.

2

2. Measure & count

Trace supply and drain runs and count fixtures and rough-ins.

3

3. Build the estimate

Quantities drop into ready assemblies; adjust prices and labor units.

4

4. Send the proposal

Export a branded PDF with a breakdown by system. Ready to win.

Use case

A bidding day: plumbing contractor with OneEstimate

A multifamily project comes in to bid the plumbing. In OneEstimate the contractor traces cold-water, hot-water and drain lines on the plan, and each system totals its own linear length. Sinks, toilets and other fixtures get counted with a click, and line items carry their assembly of pipe, fittings and labor. Finish the takeoff and the estimate is ready.

  • Cold, hot and drain lines measured separately, plus fixture counts.
  • Reusable assemblies for rough-in and fixtures on every tower.
  • PVC or copper goes up? Recalculate everything with one change.

Illustrative walkthrough of the platform workflow.

Plumbing line items included

Start from a base built for plumbing, not from scratch.

Hot & cold supply

  • PEX / CPVC pipe
  • Copper pipe
  • PVC pipe
  • Valves & stops
  • Pipe insulation

Sanitary drainage

  • DWV drain pipe
  • Cleanouts & drains
  • Vent piping
  • Traps
  • Stacks

Fixtures & fittings

  • Toilets / WC
  • Lavatories & sinks
  • Showers & faucets
  • Water heaters
  • Fittings & connectors

Frequently asked questions

I measure pipe from plans by hand in Excel — how do I estimate plumbing faster?
With OneEstimate you upload the plan, trace cold, hot and drain piping and count fixtures and rough-ins, and quantities flow into ready assemblies. No more manual measuring in a spreadsheet.
How do I get linear feet of pipe and count fixtures from a plan?
Calibrate the plan scale once and trace each system (cold, hot and drain) to get linear feet, then count sinks, toilets and rough-in points. OneEstimate measures lengths and quantities, not just areas.
Is OneEstimate an affordable alternative for plumbing estimating?
Yes. It includes ready plumbing assemblies, on-screen takeoff and pipe and fixture costs you control, with a Start plan from $19/mo. An accessible alternative to spreadsheets or expensive software.
Can I use it just for plumbing estimating?
Yes. You can work only with plumbing line items: supply and drain piping, fixtures and fittings, each with editable assemblies.
Can I update material prices and have everything recalculate?
Yes. Prices live in your database. Change them once and every estimate that uses them updates.
Can I measure pipe and count fixtures on the plan?
Yes. Upload the plan, calibrate the scale, then measure pipe runs and count fixtures and rough-ins directly on the drawing.
How much does it cost?
There is a Start plan from $19/mo for your first estimate. Paid plans are accessible and scale with you.
Do I need to install anything?
No. It runs 100% in the browser on Windows, Mac or tablet, with automatic backup.

What contractors say

Professionals who estimate faster and win more bids with OneEstimate.

I trace cold, hot and drain lines on the plan and the footage totals by system. I count fixtures with a click and the estimate comes out with material and labor.

TB
Tom Bradley
Plumbing contractor · Tampa, FL

My pipe and fixture assemblies are ready to go. When PVC or copper prices change I update once and everything follows.

KM
Karen Mitchell
Estimator · Denver, CO

Estimate your next plumbing job today

Create your first plumbing estimate free, with ready assemblies and prices you control.

Start free

Start plan from $19/mo · No credit card · Runs in your browser