Plumbing cost benchmarks anchor early customer conversations and sanity-check your bid before you send it. They are not a substitute for line-item takeoff. The benchmarks below are 2026 national averages for residential service, residential repipe and water heater replacement, residential remodel plumbing sub-work, and commercial new construction and TI — drawn from aggregated plumbing unit-cost data calibrated against the BLS Producer Price Index for copper, PEX, cast iron, and gas pipe, and BLS wage indices for journeyman plumbers.
BuildCrux maintains a unit-cost lookup table referenced by every AI estimate run on the platform. The plumbing entries are calibrated quarterly against copper, PEX, cast iron, gas pipe, and BLS plumber wage indices by region. The benchmarks on this page are derived from that table and from estimating runs across the BuildCrux customer base.
How to read these benchmarks
Every benchmark below is a national average expressed as a range. Three tiers — basic, standard, premium — capture roughly the 25th, 50th, and 90th percentile of finished cost. Basic assumes builder-grade fixtures (basic toilets, simple lavatories, standard tubs), copper-only or PEX-only rough-in, atmospheric vented water heater. Standard assumes mid-tier fixtures (Kohler, Moen) with PEX rough-in and high-efficiency tank or basic tankless. Premium assumes designer fixtures (Kohler Memoirs, Brizo, Toto Neorest), tankless water heater with recirculation, smart leak detection.
Service call pricing 2026
Service calls are priced on the truck. The flat-rate pricing book most successful service plumbers use is structured around the call-out fee plus a fixed price per diagnostic or per repair.
2026 service-call pricing for residential plumbing, national average flat rates.
| Service item | Basic | Standard | Premium |
|---|---|---|---|
| Service call-out (truck arrival) | $85 - $145 | $145 - $195 | $195 - $295 |
| Drain clearing (kitchen, simple) | $185 - $285 | $285 - $385 | $385 - $585 |
| Drain clearing (sewer main, snake/auger) | $385 - $585 | $585 - $885 | $885 - $1,485 |
| Sewer hydrojetting | $485 - $785 | $785 - $1,185 | $1,185 - $1,985 |
| Sewer camera inspection | $285 - $385 | $385 - $585 | $585 - $785 |
| Toilet repair (flapper, fill valve) | $185 - $285 | $285 - $385 | $385 - $525 |
| Faucet repair / replace | $185 - $385 | $385 - $585 | $585 - $885 |
| Garbage disposal install (existing) | $285 - $425 | $425 - $585 | $585 - $885 |
| Sump pump replacement | $485 - $785 | $785 - $1,185 | $1,185 - $1,785 |
| Pressure-reducing valve replacement | $385 - $585 | $585 - $885 | $885 - $1,285 |
| Water shutoff valve replacement | $185 - $285 | $285 - $425 | $425 - $625 |
| Outdoor hose bib replacement | $185 - $285 | $285 - $425 | $425 - $625 |
| Leak repair (slab leak detection + repair) | $1,485 - $2,485 | $2,485 - $4,485 | $4,485 - $8,485 |
| Annual maintenance (residential) | $95 - $145 | $145 - $225 | $225 - $325 |
Water heater + repipe 2026
Water heater replacement is the bread-and-butter of residential plumbing. Repipe (replacing existing supply piping) is driven by pinhole leaks in galvanized + early-copper piping, or by lead-pipe replacement programs in some jurisdictions.
2026 residential plumbing replacement + repipe costs, national average.
| Scope | Basic | Standard | Premium |
|---|---|---|---|
| Water heater replace 40-gal atmospheric vent | $1,485 - $1,985 | $1,985 - $2,485 | $2,485 - $3,485 |
| Water heater replace 50-gal power-vent | $1,985 - $2,685 | $2,685 - $3,485 | $3,485 - $4,685 |
| Water heater replace 75-gal commercial | $2,985 - $3,985 | $3,985 - $5,485 | $5,485 - $7,485 |
| Tankless water heater install (199K BTU) | $3,485 - $4,985 | $4,985 - $6,485 | $6,485 - $9,485 |
| Hybrid heat-pump water heater (80-gal) | $3,985 - $5,485 | $5,485 - $7,485 | $7,485 - $9,985 |
| Whole-house repipe 1,200 sqft (galvanized to PEX) | $5,485 - $7,985 | $7,985 - $10,985 | $10,985 - $15,485 |
| Whole-house repipe 2,000 sqft (galvanized to PEX) | $8,485 - $12,485 | $12,485 - $17,485 | $17,485 - $24,485 |
| Whole-house repipe 2,000 sqft (slab leak emergency) | $12,485 - $17,485 | $17,485 - $23,485 | $23,485 - $32,485 |
| Sewer line replacement (50 ft, trenchless) | $5,485 - $7,985 | $7,985 - $11,485 | $11,485 - $17,485 |
| Sewer line replacement (50 ft, traditional dig) | $3,485 - $5,485 | $5,485 - $8,485 | $8,485 - $13,485 |
| Water service replacement (50 ft, 1 in copper) | $3,485 - $4,985 | $4,985 - $7,485 | $7,485 - $11,485 |
Residential remodel plumbing 2026
Plumbing scope inside a residential remodel run by a GC. Numbers below are the plumbing sub-bid only, separate from any general contractor markup.
2026 residential remodel plumbing sub-bid ranges, plumbing scope only (not GC markup).
| Remodel type | Standard sub-bid range | Notes |
|---|---|---|
| Half-bath remodel (toilet + vanity, existing) | $1,485 - $3,485 | No relocation |
| Full bath remodel (existing footprint) | $3,485 - $6,485 | Tub + toilet + lavatory |
| Full bath remodel (with relocation) | $6,485 - $10,485 | Drain + vent + supply relocation |
| Primary bath remodel (existing footprint) | $5,485 - $9,485 | Tub + shower + double lavatory |
| Primary bath remodel (with steam + freestanding tub) | $10,485 - $18,485 | Above plus steam + freestanding tub |
| Kitchen remodel (existing layout) | $2,485 - $5,485 | Sink + dishwasher + disposal + ice maker |
| Kitchen remodel (island sink relocation) | $5,485 - $9,485 | Above plus island rough-in |
| Whole-house remodel (2,000 sqft, light) | $4,485 - $7,485 | Fixture replacements |
| Whole-house remodel (2,000 sqft, gut) | $15,485 - $24,485 | Full re-rough |
| Addition (single room w/ bath, 400 sqft) | $6,485 - $10,485 | New bath rough-in |
| ADU (600 sqft, full plumbing) | $11,485 - $18,485 | New service + full rough-in |
Commercial new construction $/sqft
Commercial new construction plumbing pricing is normalized to $/sqft. The figures below are 2026 national averages for the plumbing subcontract value, including fixtures, rough-in, gas piping, water heater + booster, grease interceptor (foodservice), and specialty equipment.
2026 commercial plumbing new-construction $/sqft, national average, subcontract value.
| Building type | $/sqft (basic) | $/sqft (standard) | $/sqft (premium) |
|---|---|---|---|
| Office (low-rise) | $8.50 - $14.50 | $14.50 - $22.50 | $22.50 - $32.50 |
| Retail (anchor, no foodservice) | $5.50 - $9.50 | $9.50 - $14.50 | $14.50 - $22.50 |
| Retail (small format, inline) | $8.50 - $14.50 | $14.50 - $22.50 | $22.50 - $32.50 |
| Restaurant (quick-service) | $22.50 - $32.50 | $32.50 - $46.50 | $46.50 - $68.50 |
| Restaurant (full-service) | $28.50 - $42.50 | $42.50 - $58.50 | $58.50 - $84.50 |
| Warehouse (basic) | $2.50 - $4.50 | $4.50 - $7.50 | $7.50 - $11.50 |
| Manufacturing (light) | $8.50 - $14.50 | $14.50 - $22.50 | $22.50 - $32.50 |
| Healthcare (clinic / urgent care) | $28.50 - $42.50 | $42.50 - $58.50 | $58.50 - $84.50 |
| Healthcare (hospital, with medical gas) | $48.50 - $72.50 | $72.50 - $108.50 | $108.50 - $158.50 |
| Multifamily (per unit, mid-rise) | $3,485 - $5,485 per unit | $5,485 - $8,485 per unit | $8,485 - $12,485 per unit |
Commercial TI $/sqft by building type
Tenant improvements re-use the building shell, so plumbing TI pricing is structurally different from new construction. Less rough-in if existing risers can be reused; more fixture + finish work; more code-compliance upgrades to bring an old shell up to current IPC/UPC.
2026 commercial TI plumbing $/sqft ranges, national average. TI pricing assumes existing shell with adequate base plumbing.
| TI type | $/sqft (standard) | Notes |
|---|---|---|
| Office TI (open plan, minor reconfigure) | $6.50 - $11.50 | Reuse existing risers + restrooms |
| Office TI (build-out with private restrooms) | $11.50 - $18.50 | New fixture rough-in |
| Restaurant TI (existing kitchen) | $24.50 - $36.50 | Hood + grease interceptor + booster |
| Restaurant TI (new kitchen, 4,200 sqft) | $32.50 - $48.50 | Full kitchen rough + grease interceptor + booster + gas upgrade |
| Dental / medspa TI | $22.50 - $34.50 | Operatory water + waste + compressed air |
| Cannabis dispensary TI | $8.50 - $14.50 | Standard retail plumbing |
| Pharma compounding TI | $48.50 - $84.50 | Lab waste + specialty piping + tempered water |
| Retail TI (mall inline) | $8.50 - $14.50 | Reuse mall plumbing risers; tap-in only |
Generate a real plumbing estimate from your plan set
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Get StartedRegional cost adjustments
The benchmarks above are national averages. Plumbing pricing shows significant regional variance driven by union labor pool density (heavy in Northeast, Midwest urban), water service infrastructure age (older cities have more repipe work driving labor pool), and licensed plumber wage stratification.
2026 regional cost multipliers for plumbing contracting.
| Region | Multiplier vs national avg | Example markets |
|---|---|---|
| Northeast (urban) | 1.35 - 1.55 | NYC metro, Boston, Philadelphia |
| Northeast (suburban/rural) | 1.10 - 1.25 | Upstate NY, Vermont, Maine |
| West Coast (urban, California) | 1.40 - 1.60 | SF Bay, LA, San Diego |
| West Coast (suburban, California) | 1.20 - 1.35 | Sacramento, Inland Empire, Fresno |
| Pacific NW | 1.15 - 1.30 | Seattle, Portland |
| Mountain West | 1.00 - 1.15 | Denver, Salt Lake, Boise, Phoenix |
| Midwest (urban) | 0.95 - 1.10 | Chicago, Minneapolis, Detroit |
| Midwest (suburban/rural) | 0.80 - 0.95 | Iowa, Wisconsin, Indiana |
| Southeast (urban) | 0.90 - 1.05 | Atlanta, Charlotte, Nashville |
| Southeast (suburban/rural) | 0.75 - 0.90 | Alabama, Mississippi, rural GA |
| Texas (urban) | 0.95 - 1.10 | Dallas, Houston, Austin, San Antonio |
| Texas (suburban/rural) | 0.85 - 0.95 | East TX, West TX, rural TX |
| Florida | 0.95 - 1.15 | Miami, Tampa, Orlando |
Labor vs material split
Plumbing work is labor-dominant on rough-in scope (where the time is in routing pipe through structure) and material-dominant on fixture-heavy scope (where the cost is in the fixtures themselves).
| Scope | Labor % | Material % | Notes |
|---|---|---|---|
| Service call | 70-80% | 20-30% | Truck-hour driven |
| Residential repipe (galv to PEX) | 60-70% | 30-40% | Labor-heavy rough-in |
| Residential remodel sub (fixtures) | 45-55% | 45-55% | Fixture cost |
| Residential remodel sub (with relocation) | 55-65% | 35-45% | Drain + vent re-route |
| Commercial office TI | 50-60% | 40-50% | Standard fixtures |
| Commercial restaurant TI | 45-55% | 45-55% | Specialty equipment |
| Commercial new construction | 40-50% | 50-60% | Heavy fixture + heater + interceptor |
| Healthcare (with medical gas) | 40-50% | 50-60% | Specialty equipment dominates |
Line-item unit cost reference
For sanity-checking your own takeoff, the unit costs below are 2026 national averages for residential and light-commercial plumbing work. All figures include labor + material + sub markup. Add overhead and profit on top.
2026 plumbing unit costs — national averages including labor, material, sub markup. Add overhead and profit on top.
| Line item | Unit | 2026 unit cost |
|---|---|---|
| Copper pipe 1/2 in (rough-in) | lf | $8.50 - $12.50 |
| Copper pipe 3/4 in (rough-in) | lf | $12.50 - $18.50 |
| Copper pipe 1 in (rough-in) | lf | $18.50 - $26.50 |
| PEX 1/2 in (rough-in) | lf | $4.50 - $7.50 |
| PEX 3/4 in (rough-in) | lf | $6.50 - $10.50 |
| PEX 1 in (rough-in) | lf | $10.50 - $16.50 |
| Cast iron 3 in DWV (rough-in) | lf | $28.50 - $42.50 |
| Cast iron 4 in DWV (rough-in) | lf | $38.50 - $58.50 |
| PVC 3 in DWV (rough-in) | lf | $12.50 - $18.50 |
| PVC 4 in DWV (rough-in) | lf | $16.50 - $24.50 |
| Gas pipe 1/2 in (sch 40 black) | lf | $14.50 - $22.50 |
| Gas pipe 1 in (sch 40 black) | lf | $22.50 - $32.50 |
| CSST gas 1/2 in | lf | $8.50 - $13.50 |
| CSST gas 1 in | lf | $13.50 - $20.50 |
| Toilet (mid-range install, supply + waste) | ea | $485 - $785 |
| Lavatory + faucet (install, supply + waste) | ea | $385 - $625 |
| Kitchen sink + faucet (install) | ea | $485 - $885 |
| Tub + valve (install, supply + waste) | ea | $885 - $1,485 |
| Shower valve + drain (install) | ea | $685 - $1,185 |
| Walk-in shower (install w/ tile sub coordination) | ea | $1,985 - $3,485 |
| Urinal (install commercial) | ea | $885 - $1,485 |
| Floor drain (install w/ trap) | ea | $285 - $485 |
| Floor sink (install commercial) | ea | $685 - $1,185 |
| Water heater 40-gal tank (install) | ea | $1,485 - $2,285 |
| Tankless water heater (install gas) | ea | $3,485 - $5,485 |
| Booster heater 18 kW (commercial) | ea | $2,485 - $3,985 |
| Grease interceptor 1,000 gal (install + tie-in) | ea | $8,485 - $14,485 |
| Backflow preventer (RPZ, 1 in) | ea | $885 - $1,485 |
Frequently asked questions
What is the average cost of a whole-house repipe in 2026?+
A 2,000 sqft galvanized-to-PEX whole-house repipe runs $8,485 to $12,485 for basic, $12,485 to $17,485 for standard, and $17,485 to $24,485 for premium scope in 2026. Slab-leak emergency repipes run 40 to 60 percent higher because of access difficulty. Trenchless sewer line replacement runs $5,485 to $17,485 for 50 ft of sewer line.
How much does commercial plumbing cost per square foot in 2026?+
New construction office plumbing runs $8.50 to $22.50/sqft for standard grade. Restaurant runs higher at $22.50 to $46.50/sqft for quick-service and $28.50 to $58.50/sqft for full-service. Healthcare clinics run $28.50 to $58.50/sqft. Apply the regional multiplier to translate to your market.
How much should I charge for a plumbing service call?+
Truck arrival fees run $85 to $295 in 2026, with the spread driven by market and brand positioning. A typical drain clearing call runs $185 to $585. Sewer line work (snaking, hydrojetting, camera) runs $285 to $1,985. Water heater replacement runs $1,485 to $4,685 depending on tank type and SEER (atmospheric vent → power-vent → tankless).
Why are plumbing costs higher in some regions?+
Three drivers: licensed plumber wage stratification (NYC, Boston, SF Bay pay 40-60% above national average), union vs non-union markets (Chicago + NYC heavily union), and water service infrastructure age (older cities have more repipe demand driving labor pool tightness). California adds T24 + WaterSense compliance overhead that bumps commercial pricing 8-12%.
Should I expect plumbing costs to keep rising?+
Copper has been volatile but range-bound between $4 and $5/lb in 2025-2026. PEX pricing stable. Cast iron has 4-7% annual escalation. Gas pipe (steel) tracks broader steel market. Plan for 5-8% annual material inflation on copper-heavy scopes (residential repipes, commercial supply rough-in) and quote with material escalation clause on bids longer than 90 days out.
How do I sanity-check a commercial plumbing estimate before sending it?+
Three checks: (1) divide your total by square feet and confirm $/sqft falls inside the tier range above for the building type; (2) confirm your labor-vs-material split is in the typical range for the scope; (3) confirm your overhead and profit layers are present and reasonable. If any of the three is out of range, recheck the takeoff, the unit costs, the fixture schedule, or the gas service capacity.
The bottom line
Cost benchmarks anchor the early conversation with a customer or GC and sanity-check your bid before it goes out. They are not a substitute for line-item takeoff, but they tell you when something has gone wrong — a commercial office TI bid at $4/sqft is missing scope; a residential repipe at $40K for 1,200 sqft is overbid. The 2026 ranges on this page are calibrated quarterly against copper, PEX, cast iron, and plumber wage indices. For your actual bid, run the takeoff and apply your own calibrated unit costs.
See a real $138K commercial plumbing sub-bid, line by line
