If you're sitting on a contractor quote for whole-house repiping and want to know if it's in range — enter your home size, pipe material, and bathrooms. You'll get a low-to-high cost estimate based on 2026 national pricing data so you can evaluate the quote before signing.
Use your heated living area, not the lot sizePlease enter a valid home size (400–8,000 sq ft).
baths
Count all full and half baths with plumbingPlease enter 1–8 bathrooms.
PEX is the most common choice for residential repiping in 2026
Slab foundations are the biggest cost factor after pipe material
Multi-story homes need longer pipe runs between floors
Labor rates drive most of the regional variation
Estimated Total Repiping Cost
$0
Mid-range national estimate
📋 Cost Breakdown
⚠️ Disclaimer: This is a ballpark estimate based on 2026 national average pricing. Actual quotes vary by contractor, local labor rates, pipe routing complexity, and existing plumbing condition. Always get at least 3 quotes from licensed plumbers. Permits should be included in any reputable contractor’s bid.
National range: $1,500 to $15,000. Average: $7,500. Per-fixture cost: $1,200 average. Material ranges: copper $2–$8/linear ft, CPVC $0.50–$1/linear ft. Foundation and story surcharges verified here.
PEX national average $4,000 to $15,000, avg $7,500. Per sq ft: $2 to $6. Labor accounts for up to 70% of total. 1,500 sq ft 2-bath home: $4,000 to $6,000 for PEX. Data used for material rate ranges and labor percentage split.
Per sq ft rates: PEX $3.50–$7.00, copper $8.00–$14.00, CPVC $4.00–$8.50. Slab foundation surcharge: 25–35%. Per-bathroom surcharge: $800. Multi-story adjustment: 15–30%. These rates form the core of this calculator’s formula.
Sources: Angi (avg $7,500), ActionCraft Experts ($2–$6/sqft PEX), CDCalculators (per-sqft rates by material). Formula verified April 2026.
House Repiping Cost — What You're Really Paying For
If you've got rusty water, chronically low pressure, or a plumber telling you your galvanized pipes are done, you're looking at a $5,000 to $22,000 decision depending on your home and the pipe material you choose. The range is wide because two variables dominate: material (PEX vs copper) and foundation type (crawlspace vs slab). Getting those two right means your estimate is probably within $1,500 of the real number.
💡 The single number that matters most: Labor runs 60 to 70 percent of your total repiping cost. That means on a $7,500 PEX job, roughly $4,500 to $5,250 is labor — not pipe. A contractor who quotes unusually low might be cutting corners on pipe quality, but they're more likely skipping permits. Always ask: "Does this include pulling permits and final inspection?" If not, walk away.
How Repiping Cost Is Calculated — Real Example First
A 1,800 sq ft home with 2 bathrooms on a crawlspace, using PEX: 1,800 × $5.00 (mid-rate) = $9,000. Two bathrooms is the baseline — no extra charge. No slab surcharge. National average region. Total estimate: $6,300 to $12,600, midpoint around $9,000. That's in line with what licensed plumbers typically quote for that size.
Same home on a slab: add the 30% slab factor. $9,000 × 1.30 = $11,700 midpoint, with a range of $8,190 to $16,380. Slab foundations push plumbers to reroute pipes through the attic rather than under the floor — more pipe, more labor, more hours. That single factor can add $2,000 to $4,000 to an otherwise similar job.
PEX vs Copper — Which One Should You Choose?
For a standard residential repipe in 2026, PEX is the right call for most homeowners. It costs 40 to 60 percent less than copper, installs faster (meaning lower labor), resists corrosion and mineral buildup better than galvanized, and carries a lifespan of 50 to 100 years. The flexibility of PEX means plumbers can snake it through walls with minimal damage — which matters a lot when you're paying for drywall repairs afterward.
Copper is worth the premium in specific situations: homes in areas with PEX restrictions (some municipalities still have them), luxury renovations where resale audience expects copper, or if you have a specific concern about water quality additives reacting with plastic pipe. Copper has been in residential plumbing since the 1960s and lasts 50 to 70 years. It's not wrong — it's just expensive in 2026, especially since copper commodity prices hit record highs due to EV and infrastructure demand.
Repiping Cost by House Size and Material (2026)
Home Size
Bathrooms
PEX Cost
Copper Cost
CPVC Cost
Under 1,000 sq ft
1–2
$3,500–$7,000
$8,000–$14,000
$4,000–$8,500
1,000–1,500 sq ft
2
$5,500–$11,000
$12,000–$22,000
$6,500–$13,000
1,500–2,000 sq ft
2–3
$7,000–$14,000
$16,000–$28,000
$8,000–$17,000
2,000–3,000 sq ft
3–4
$9,000–$21,000
$20,000–$42,000
$11,000–$25,500
Over 3,000 sq ft
4+
$13,000–$30,000+
$28,000–$60,000+
$15,000–$36,000+
Crawlspace or basement foundation. Add 25–35% for slab. Add $800 per bathroom beyond two. Sources: Angi, ActionCraft Experts, CDCalculators 2026.
What Makes a Repiping Quote Higher Than Expected
Beyond the obvious (larger home, more bathrooms, copper vs PEX), three things routinely push quotes higher than homeowners expect:
Slab foundation: Plumbers can't access pipes under the slab without jackhammering, so they reroute everything through the attic. That's more pipe, more labor, and often more disruption. Expect 25 to 35 percent added to any slab repipe vs. the same home on a crawlspace.
Unexpected pipe condition: When walls open up and plumbers find corrosion worse than expected, asbestos-wrapped pipes (pre-1970s homes), or galvanized drain lines that also need replacement, the scope grows. Budget a 10 to 15 percent contingency on any older home.
Drywall repair: Repiping requires opening walls. Most repiping contractors don't include drywall patching — that's a separate trade. Budget $1,000 to $2,000 for drywall and painting depending on how many rooms are opened up.
Frequently Asked Questions
Most whole-house repiping jobs run $4,000 to $15,000 with a national average around $7,500 (Angi 2026). A 1,500 sq ft home with 2 bathrooms in PEX costs $5,500 to $11,000. The same home in copper runs $12,000 to $22,000. Slab foundations push costs up another 25 to 35 percent across the board.
PEX repiping costs $3.50 to $7.00 per square foot. Copper runs $8.00 to $14.00 per square foot. CPVC falls in between at $4.00 to $8.50 per square foot. Most contractors bid by square footage rather than measuring linear feet, so this is the most useful number for comparing quotes.
PEX is the better choice for most homes in 2026. It costs 40 to 60 percent less than copper, installs faster (reducing labor costs), lasts 50 to 100 years, and handles hard water and freeze-thaw cycles better than older pipe materials. Copper is worth the extra cost in specific situations: luxury renovations, municipalities with PEX restrictions, or personal preference. For a standard repipe, PEX delivers more value.
A 1,500 sq ft home with 2 bathrooms costs $5,500 to $11,000 for PEX and $12,000 to $22,000 for copper in 2026. That's for a crawlspace or basement home. On a slab, add 25 to 35 percent to those numbers. Each extra bathroom beyond two adds approximately $800.
On a slab, plumbers can't access pipes below the floor without jackhammering concrete — a noisy, expensive process. Instead, they reroute the new pipes through the attic, which requires more pipe, more labor hours, and typically more disruptive access to ceilings and walls. That adds 25 to 35 percent to the total cost compared to the same job on a crawlspace.
Most whole-house repiping jobs take 2 to 5 days. A 1,500 sq ft home typically runs 2 to 3 days. Larger homes or slab jobs take 3 to 5 days. Water service is usually restored each evening so you're not completely without water overnight. The final inspection by the building department adds 1 to 3 days of scheduling time on top of the work itself.
Four clear signals: rusty or reddish-brown water from the cold tap (galvanized pipe corrosion working its way in), low water pressure throughout the home (mineral buildup narrowing pipe walls), recurring leaks in multiple locations (pipe degradation), or pipes over 50 years old. If you have gray plastic pipes installed between 1978 and 1995, that's likely polybutylene — repipe it regardless of age, it has documented failure rates that make it a liability.
Yes, in almost all jurisdictions. Whole-house repiping is a major plumbing project requiring a permit and a final inspection by the building department. Permits typically run $300 to $600 and should be included in any reputable contractor's bid. If a quote comes in unusually low, ask specifically whether permits are included. Work done without permits creates serious problems at resale.
Yes, meaningfully. Updated plumbing eliminates the biggest inspection red flag that kills home sales or forces price reductions. Galvanized pipes, polybutylene, or failing copper routinely generate low-ball offers or inspection demands. A complete repipe typically adds $10,000 to $25,000 in buyer confidence and reduces negotiating leverage for buyers who would otherwise use pipe condition against the price.
Repiping replaces only the supply lines — the pipes that carry fresh water to your fixtures. Replumbing replaces both supply lines and drain, waste, and vent lines. Drain lines typically last longer than supply lines and fail less often, so most homeowners need repiping, not full replumbing. Full replumbing is significantly more expensive and disruptive.
Definitely. Pricing for identical repiping work varies 20 to 30 percent between licensed contractors in the same market. A low quote that excludes permits or drywall repair isn't actually cheaper — those costs surface later. When comparing quotes, make sure each one specifies: pipe material and gauge, number of fixtures included, permit costs, drywall patch-back (included or separate), and warranty on workmanship.
For a small home (under 1,200 sq ft, 1 to 2 baths, crawlspace, PEX), $5,000 is reasonable. For a 1,500 sq ft home on a slab, it's on the low end — ask exactly what it includes. For anything larger, $5,000 likely means something is excluded: permits, drywall repair, or the job is being bid without a proper walkthrough. Get at least two more quotes before deciding.