How much does a bathroom plumbing rough-in cost in Nashville?

A bathroom plumbing rough-in in Nashville typically costs $2,285-$7,312, 9% below the $4,500 national average.

What is the cost per fixture for a bathroom plumbing rough-in in Nashville?

Bathroom Plumbing Rough-In in Nashville typically costs $457-$2285 per fixture.

What are the different quality tiers for a bathroom plumbing rough-in in Nashville?

A budget bathroom plumbing rough-in in Nashville averages $3,113 (Single bathroom, close to existing stack, supply and drain.). A mid-range project runs $5,302 (Full bathroom rough-in, moderate distance from stack, proper venting.). A premium renovation costs $10,506 (Remote location, slab penetration or long run, complex venting.).

How long does a bathroom plumbing rough-in take?

A bathroom plumbing rough-in typically takes 3-5 days. The minimum timeline is 1-2 days, and complex projects can run 2 weeks.

Can I DIY a bathroom plumbing rough-in?

DIY feasibility for a bathroom plumbing rough-in is rated Not Recommended.

Cost to Bathroom Plumbing Rough-In in Nashville, TN (2026)

If you’re budgeting a bathroom plumbing rough-in in Nashville, most projects run $2,285-$7,312, 9% below the $4,500 national average. What moves that number most is usually one thing: Distance from Main Stack. On its own it can swing the cost by $1,000 - $5,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Position the new bathroom as close to the main drain stack as possible - every 10 feet of additional drain run adds $300-$600 in materials and labor

In the Southeast (where Nashville sits): Lower labor costs; Florida markets run slightly above the regional average.

$2,285-$7,312 in Nashville

9% below the national average · 0.91x cost multiplier

Homeowners in Nashville typically spend $2,285-$7,312 on a bathroom plumbing rough-in, about 9% below the national average. Labor rates and contractor availability in the Southeast region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.

Cost Breakdown in Nashville

Line Item	Low	Mid	High
Cost per fixture	$457	$1097	$2285
Materials	$780	$1,463	$2,925
Labor	$1,748	$3,059	$6,118
Permits	$585	$780	$1,463
Total	$3,113-8% vs. national avg	$5,302-9% vs. national avg	$10,506-9% vs. national avg

Budget

Single bathroom, close to existing stack, supply and drain.

Mid-Range

Full bathroom rough-in, moderate distance from stack, proper venting.

Premium

Remote location, slab penetration or long run, complex venting.

Material Options

Material prices below are national averages; availability in Nashville may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
PEX Supply Lines	$0.50-$1.50/ft	Flexible, freeze-resistant, fast to install, less expensive than copper	Can't be used for outdoor or UV-exposed applications	Most residential supply line applications; the dominant choice in new constructionFlexible, freeze-resistant, fast to install, less expensive than copper
Copper Supply Lines	$2-$4/ft	Long-lasting, naturally antimicrobial, handles high heat	More expensive than PEX, requires soldering skills, prone to theft in vacant properties	Homes with existing copper systems where matching is requiredLong-lasting, naturally antimicrobial, handles high heat
ABS Drain Pipe	$1-$2/ft	Lightweight, easy to cut and glue, lower cost than cast iron	Not allowed in all jurisdictions, can be noisier than cast iron	New construction and additions in areas where it's code-approvedLightweight, easy to cut and glue, lower cost than cast iron
PVC Drain Pipe	$0.80-$1.50/ft	Widely code-approved, durable, resistant to chemicals	Stiffer than ABS, slightly more complex joining process	Standard drain and vent applications in most residential projectsWidely code-approved, durable, resistant to chemicals
Cast Iron Drain	$3-$8/ft	Very quiet, extremely durable, required in some jurisdictions	Heavy and expensive, requires specialized tools to cut	Matching existing cast iron systems in older homesVery quiet, extremely durable, required in some jurisdictions

Other Projects in Nashville

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Bathroom Plumbing Rough-In

Nashville Estimate

Typical Range

$2,285-$7,312

vs. National Average

9% below national

Cost Multiplier

0.91x

Cost Per fixture

$457-$2285

This 0.91x estimate prices Nashville labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →