CostKit
Plumbing Estimator

Plumbing Estimating Software

Stop calculating pipe footage by hand. AI generates your complete plumbing estimate — materials, fixtures, labor — in under 60 seconds.

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What a Plumbing Estimate Includes

A complete plumbing estimate covers eight cost categories. CostKit handles all of them automatically based on your project details.

Supply lines (copper/PEX/CPVC)
$1–$4/linear ft
Drain-waste-vent (DWV) system
$2–$6/linear ft
Fixture rough-ins (toilet, sink, shower)
$200–$600 each
Water heater (tank or tankless)
$800–$2,500 installed
Shutoff valves and fittings
$15–$60 per valve
Water softener/filtration
$800–$3,000
Permits and inspection fees
$150–$500
Labor (licensed plumber)
$75–$150/hr by region

Average Plumbing Project Costs (2026)

Source: HomeAdvisor/Angi national survey data. Costs vary by region, material grade, and site conditions.

ProjectAvg CostTypical Range
New construction rough-in (2-bath home)$7,200$4,500–$11,000
Full bathroom remodel (plumbing)$2,800$1,500–$5,000
Kitchen remodel (plumbing)$1,900$800–$4,000
Water heater replacement$1,200$600–$2,000
Sewer line replacement$5,000$2,500–$12,000
Main water line replacement$2,000$800–$4,000

How CostKit Handles Plumbing Estimates

Describe your project — new construction rough-in, bathroom remodel, or water heater replacement — and CostKit's AI generates a complete, phase-by-phase estimate in seconds. No spreadsheets, no manual cost lookups.

  • Supply and DWV pipe quantities calculated from project size
  • Fixture rough-in costs pulled from regional labor tables
  • Permit fees estimated by state
  • Branded PDF ready to send to your client
Sample: Bathroom Addition — Plumbing
Supply Lines (PEX)$620
DWV Rough-In$980
Fixture Rough-Ins (x3)$1,150
Water Heater (50 gal)$1,400
Valves & Fittings$340
Permit & Inspection$275
Labor (licensed, 3 days)$2,400
Total$7,165

CostKit vs. Other Plumbing Estimating Options

ToolTime to estimateMonthly costRegional pricingOutput
CostKit AI< 60 secondsFree–$89/moYes (auto)Branded PDF
Manual takeoff2–4 hours$0 (your time)Manual lookupSpreadsheet
ServiceTitan / Jobber30–60 min$199–$599/moPartialInvoice / estimate

Plumbing Estimating — Frequently Asked Questions

How do you estimate plumbing costs for new construction?
For new construction, plumbing costs are estimated by counting fixture rough-ins, calculating supply and drain line footage from blueprints, and adding water heater, permits, and labor. A two-bathroom home averages $6,000–$11,000 for rough-in plumbing. CostKit generates a line-item breakdown automatically with regional labor adjustments.
How long does a plumbing rough-in take?
A plumbing rough-in for a new two-bathroom home typically takes 2–4 days for a licensed plumbing crew. A single bathroom addition runs 1–2 days. Trim-out — installing fixtures after drywall — adds another 1–2 days.
Do I need a permit for plumbing work?
Yes, almost all plumbing work beyond simple fixture swaps requires a permit. This includes new rough-in, water heater replacement, sewer line work, and adding or relocating drains. Permit fees range from $150 to $500 depending on jurisdiction.
What is included in a plumbing estimate?
A complete plumbing estimate includes supply lines, DWV piping, fixture rough-ins, water heater installation, shutoff valves and fittings, filtration equipment if applicable, permit fees, and licensed plumber labor at the regional rate.

Get Your Plumbing Estimate in 60 Seconds

Start with 2 free estimates per month — no credit card required. Upgrade anytime for unlimited estimates and branded PDFs.

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