
How to Fix a Toilet That Will Not Flush
PlumbingWhen a toilet will not flush at all, the cause is almost never the bowl itself. It is one of a short…
Read the guideReal cost ranges for toilet installation, repair, leak fixes, rough-in work and full bathroom plumbing projects, backed by contractor data and homeowner reports.
Research updated June 2026.
Most homeowners pay between $150 and $800 to have a plumber handle bathroom toilet or fixture work in 2026. Simple toilet replacements run $200 to $400 including labor. Rough-in plumbing for a new bathroom ranges from $1,500 to $5,000 depending on complexity, access, and local labor rates.
Hiring a plumber for bathroom work is one of the most common home maintenance expenses, yet pricing is notoriously opaque. Contractors quote wildly different numbers for the same job, and online estimates rarely reflect regional labor markets. This guide breaks down real cost ranges for every major bathroom plumbing task in 2026, explains what drives those numbers, and tells you exactly what to ask before you sign any invoice.
Whether you are replacing a leaking toilet, relocating a drain for a renovation, or adding a full bathroom from scratch, the figures below are drawn from aggregated contractor surveys, permit data, and thousands of homeowner cost reports across the United States.
Licensed plumbers in the United States charge between $75 and $200 per hour for bathroom work in 2026, with a national average near $120 per hour. Regional variation is significant: plumbers in major metros like New York, San Francisco, and Boston typically charge $160 to $200 per hour, while plumbers in the Midwest and rural South often charge $75 to $110 per hour. Most plumbing companies also charge a service or dispatch fee of $50 to $150 on top of the hourly rate.
Hourly rates depend on several overlapping factors. Master plumbers command higher rates than journeymen. Emergency or after-hours calls carry surcharges of 50 to 100 percent on top of standard rates. Jobs requiring confined-space work, access through finished walls, or coordination with other trades also push the hourly cost upward.
Flat-rate pricing is increasingly common. Many plumbing companies quote a fixed price for defined tasks like toilet replacement or faucet installation rather than billing by the hour. Flat rates protect both the contractor and the homeowner when a job has predictable scope, but they can hide elevated margins on simple work. Always ask whether the quote is flat-rate or time-and-materials.
When comparing quotes, look beyond the hourly rate and check whether the company is licensed, bonded, and insured in your state. A cheaper unlicensed plumber may void your homeowner's insurance if a water damage claim arises from their work. Permits matter too: a legitimate contractor will pull permits for rough-in work, which protects you at resale.
| Task | Low | Average | High | Typical Time |
|---|---|---|---|---|
| Toilet removal only | $75 | $125 | $200 | 0.5 hr |
| Toilet removal + install (same flange) | $150 | $300 | $450 | 1.5 hrs |
| Toilet flange repair or replacement | $150 | $275 | $500 | 1-2 hrs |
| Running toilet repair (flapper/fill valve) | $75 | $150 | $300 | 0.5-1 hr |
| Toilet leak at base or supply line | $100 | $200 | $400 | 1-2 hrs |
| Unclog toilet (auger) | $100 | $200 | $400 | 0.5-1.5 hrs |
| Move toilet location (existing bathroom) | $800 | $2,000 | $4,500 | Full day+ |
| Add bathroom rough-in to existing home | $1,500 | $3,500 | $7,500 | 2-5 days |
| Full bathroom plumbing (new construction) | $2,500 | $5,000 | $10,000 | 3-7 days |
| Bathroom faucet replacement | $100 | $200 | $400 | 0.5-1 hr |
| Shower valve replacement | $225 | $475 | $900 | 2-4 hrs |
| Bathtub drain replacement | $100 | $225 | $450 | 1-2 hrs |
| Water supply line replacement | $75 | $150 | $300 | 0.5 hr |
Ranges represent labor only unless noted. Part costs are additional. Data aggregated from contractor surveys and homeowner reports, June 2026.
A plumber charges $150 to $450 to install a toilet when the existing flange is in good condition and the supply line connection is straightforward. If the flange needs repair, add $100 to $250. If you supply the toilet yourself, the labor portion alone typically runs $100 to $275. The total project cost including the toilet unit ranges from $300 to $900 depending on the toilet model chosen.
Toilet installation cost breaks down into three components: the plumber's labor, any parts or supplies (wax ring, supply line, mounting hardware), and the toilet unit itself. Labor alone accounts for roughly 40 to 60 percent of the total when a new toilet is included in the quote.
The type of toilet affects installation complexity and therefore cost. One-piece toilets are heavier but simpler to seal. Two-piece toilets require tank assembly. Wall-hung toilets require in-wall carrier frame installation, which is a significantly more involved task that can add $500 to $1,500 in labor. Smart toilets with integrated bidet seats and electronic components may require an electrician as well as a plumber.
When shopping for a replacement toilet, models that rank well on MaP flush testing and carry EPA WaterSense certification offer the best combination of performance and efficiency. The best flushing toilets guide covers top-scoring models in detail. Brands like TOTO, Kohler, American Standard, and Gerber all offer EPA WaterSense certified toilets that flush at 1.28 GPF or less without sacrificing clearing performance.
Several variables move the needle on installation price:
If you are replacing a toilet that is more than 15 years old, it is worth having the plumber inspect the supply valve, supply line, and flange condition during the same visit. Addressing a slow-drip supply line or a slightly corroded flange at the time of toilet replacement costs far less than a separate service call later, and it eliminates the risk of a supply line failure causing water damage between visits.
Rough-in plumbing for a new bathroom addition costs $1,500 to $7,500 depending on the home's existing pipe layout, the distance from the main stack, whether the floor must be opened, and local labor rates. On a national average basis, homeowners report paying around $3,500 for a standard half-bath rough-in and $5,000 to $7,500 for a full bath with tub or shower rough-in. Slab homes cost more because cutting concrete adds $500 to $2,000 to the total.
Rough-in plumbing encompasses the supply lines (hot and cold water), drain lines (DWV -- drain, waste, vent), and all connections to the main stack and supply manifold. It is the first phase of bathroom plumbing work, completed before walls are closed and finished surfaces are installed.
The biggest cost driver for rough-in work is distance and accessibility. A new bathroom directly above or adjacent to an existing bathroom shares wall cavities and stack proximity, keeping costs lower. A basement bathroom, a second-story addition above a garage, or a bathroom on the opposite end of the house from the main stack will require significantly more pipe run and often structural modifications.
| Bathroom Type | Fixtures Included | Rough-In Labor Range |
|---|---|---|
| Half bath (powder room) | Toilet + sink | $1,500 to $3,500 |
| Three-quarter bath | Toilet + sink + shower | $2,500 to $5,500 |
| Full bath | Toilet + sink + tub/shower | $3,000 to $7,500 |
| Master bath (double vanity + soaking tub + shower) | 5-6 fixtures | $5,000 to $12,000 |
Labor only. Does not include permit fees, fixtures, or finish work.
Fixing a leaking toilet costs $75 to $400 depending on where the leak originates. A leaking flapper or fill valve costs $75 to $150 in labor plus $10 to $40 in parts. A leak at the toilet base caused by a failed wax ring costs $150 to $350 including labor and materials. A cracked toilet bowl or tank typically means full toilet replacement, which costs $300 to $800 with a new unit and labor combined.
Toilet leaks fall into a few distinct categories, each with different repair costs:
If a toilet is more than 20 years old and requires repair, replacement with a modern EPA WaterSense model is often more cost-effective over the long run. A 1.6 GPF toilet from the early 2000s uses 20 percent more water per flush than a current 1.28 GPF model. The water savings often justify the upfront cost within two to four years depending on local water rates and flush frequency.
For guidance on choosing a replacement after a repair decision, see our toilet rough-in size guide to ensure the new model fits the existing floor flange position.
A plumber charges $100 to $400 to unclog a toilet, with most service calls landing between $150 and $250. Simple clogs cleared with an auger or hand snake take 30 to 60 minutes. Deep clogs or blockages in the main drain line may require hydro-jetting or camera inspection, which adds $150 to $500 to the total. Emergency after-hours unclogging can cost 50 to 100 percent more than standard daytime rates.
Most toilet clogs respond to a professional closet auger, a tool that reaches further and more effectively than a household plunger. If the clog has cleared into the main drain line, a plumber may use a drain snake (cable machine) to reach further downstream. Persistent or recurring clogs often indicate a partial obstruction that warrants camera inspection to identify root intrusion, foreign objects, or pipe deterioration.
Clog resistance at the toilet level is determined by trap design and bowl shape. Toilets with fully glazed, wide-profile trapways move waste more effectively. MaP flush testing rates toilets on their ability to clear 350 to 1,000 grams of soybean paste in a single flush, which serves as a proxy for clog resistance. American Standard Champion 4 toilets, for example, feature a 2 3/8-inch fully glazed trapway designed specifically for maximum clog prevention. The TOTO Drake II with its G-Max flushing system and 2-1/8-inch fully glazed trapway also rates highly for waste clearance.
Recurring clogs in the same toilet almost always point to one of three root causes: a toilet with a narrow or partially glazed trapway, a partial obstruction in the drain line, or usage behavior (too much paper or flushable wipes that are not actually flushable). A plumber can differentiate between a toilet design issue and a drain issue in a single visit. Do not replace a toilet for recurring clogs before confirming the drain is clear.
Several factors consistently push bathroom plumbing bills above initial estimates:
When supply lines or drain pipes run inside finished walls, ceiling, or concrete slab, the plumber must open the structure before work can begin. Opening drywall adds $150 to $500 in labor and does not include patching. Cutting concrete slab for drain relocation adds $500 to $2,000 depending on slab thickness and equipment rental.
Older homes may have plumbing that does not meet current code. A plumber pulling a permit for new bathroom work may be required to bring adjacent systems up to current standard. This can mean adding cleanouts, updating vent configurations, or replacing galvanized supply lines with copper or PEX.
Copper pipe prices remain elevated relative to pre-2021 levels. PEX (cross-linked polyethylene) tubing has become the dominant residential supply piping choice because it is cheaper, faster to install, and resistant to freeze damage. A plumber recommending PEX over copper for new supply runs is typically making a sound, cost-effective recommendation rather than a cost-cutting shortcut.
Permit fees vary widely by municipality, from under $50 for simple work in rural areas to $300 or more in large urban jurisdictions. Some jurisdictions charge a percentage of estimated project value. Always ask your contractor whether permit costs are included in the quote.
The same toilet installation that costs $250 in Memphis may cost $475 in Chicago or $550 in Los Angeles. Labor markets for licensed trades vary significantly by region. Urban areas with high housing costs and strong union presence command the highest rates.
Request three written quotes for any bathroom plumbing job over $500. Quotes that are substantially lower than the others should prompt questions about licensing, insurance, and whether the quote includes permit fees. The lowest bid is not always the best value when factoring in warranty coverage and liability protection.
Homeowners have several legitimate options for reducing plumbing costs while still getting quality work:
For guidance on toilet selection before calling a plumber, the toilet buying guide walks through the key decisions including bowl shape, height, GPF, and MaP scores. Choosing the right toilet before the plumber arrives avoids costly return visits or change orders.
Licensed plumbers develop preferences for certain brands based on reliability, parts availability, and installation consistency. The brands they most commonly recommend and install include:
TOTO is widely regarded by plumbing professionals as the premium benchmark for flushing performance and long-term reliability. The TOTO Drake (two-piece, 1.28 GPF) and TOTO UltraMax II (one-piece, 1.28 GPF) are frequently cited for their consistent MaP scores and minimal callback rate. The TOTO Aquia IV offers dual-flush functionality at 0.8/1.28 GPF with strong EPA WaterSense certification. See our TOTO Drake review for a full performance breakdown.
American Standard offers strong value at a lower price point. The Champion 4 is notable for its extra-large 2 3/8-inch glazed trapway and 4-inch flush valve, which earned it a reputation for exceptional clog resistance. The Cadet 3 is a solid all-around performer that plumbers frequently install in rental and light-commercial settings due to parts availability and durability.
Kohler produces the Highline and Cimarron lines, both of which carry EPA WaterSense certification at 1.28 GPF. The Highline Classic is among the most widely installed toilets in the United States due to widespread distribution and parts commonality across model years.
Gerber toilets are particularly popular in the commercial and light-commercial segment due to their durability and straightforward serviceability. The Gerber Viper and Gerber Avalanche both achieve high MaP scores and are available through plumbing supply houses rather than big-box retail, making them a go-to for contractors.
Woodbridge has grown its presence in the one-piece and skirted toilet category. The Woodbridge T-0001 offers a modern skirted profile at a mid-range price point, though plumbers note that concealed trapway designs can make diagnosis and repair slightly more involved if issues arise.
Swiss Madison fills a similar niche with wall-hung and skirted designs at accessible price points. These models require more installation care due to design complexity but can be installed successfully by experienced plumbers familiar with the brand's mounting systems.
Before committing to a contractor, get clear answers to these questions:
A reputable plumber will answer all of these questions clearly and without hesitation. Vague answers about licensing or insurance, resistance to pulling permits, or pressure to pay large deposits upfront are warning signs.
Most plumbers charge $150 to $450 in labor to replace a toilet when the existing flange is in good condition. If you supply the toilet yourself, budget $100 to $275 for labor alone. Combined with a mid-range toilet unit, total project cost typically falls between $350 and $900.
Toilet replacement is one of the more accessible DIY plumbing tasks if the flange is sound, the shutoff valve works, and no drain modifications are needed. However, improper wax ring seating can cause sewer gas infiltration or slow leaks that damage subfloor over time. Hiring a plumber is the lower-risk option, especially for older homes where unexpected complications are more common.
Service call or dispatch fees range from $50 to $150 in most markets. This fee covers the plumber's travel time and the cost of showing up, and it is typically applied toward the total bill if work proceeds. Some companies waive the service fee for scheduled appointments.
Relocating a toilet requires moving the drain and supply rough-in, which often means opening the floor or subfloor and extending the drain to the new position. This work costs $800 to $4,500 depending on floor construction, distance of the move, and how the existing drain connects to the main stack. Slab homes are at the high end of that range.
Adding a half bath (toilet plus sink) typically costs $3,000 to $15,000 total for all labor and materials, with plumbing rough-in accounting for $1,500 to $3,500 of that total. The remaining cost covers framing, electrical, drywall, tile, fixtures, and finishing work. Location relative to existing plumbing is the biggest cost variable.
Most jurisdictions do not require a permit for in-kind toilet replacement on the same flange. Permits are typically required when you move a drain, add a new fixture, or perform any structural plumbing change. Always check with your local building department before beginning significant work.
A straightforward toilet swap takes a plumber 45 minutes to 1.5 hours when the flange is sound and no other repairs are needed. Adding flange repair, shutoff valve replacement, or subfloor issues can extend the job to 2 to 4 hours. First-time installations in new rough-in locations take longer still.
A running toilet is almost always caused by a worn flapper that fails to seal the flush valve, allowing water to leak from the tank into the bowl continuously. Flapper replacement costs $75 to $150 with a plumber, or under $15 as a DIY repair. A failing fill valve or corroded flush valve seat can also cause running and may cost $100 to $250 to repair professionally.
Hydro-jetting, which uses high-pressure water to clear stubborn drain blockages, costs $300 to $600 for a typical bathroom drain line. The service is most commonly used when standard augering fails or when recurring clogs suggest organic buildup or root intrusion rather than a simple obstruction.
A journeyman plumber has completed an apprenticeship and is licensed to perform plumbing work under the supervision of a master plumber. A master plumber has passed additional examinations, carries independent licensing, and can pull permits and run a plumbing business. Journeymen typically cost 10 to 20 percent less per hour. For routine bathroom work, a journeyman plumber provides adequate expertise.
Emergency and after-hours calls typically carry surcharges of 50 to 100 percent on top of standard rates. A plumber charging $120 per hour during business hours may charge $180 to $240 per hour on evenings or weekends. Some companies charge a flat premium emergency fee of $150 to $250 in addition to the standard service fee.
Yes. A basic bidet attachment that connects to the existing supply line is a DIY-accessible installation, but a plumber can complete it in under an hour for $75 to $150 in labor. Electric bidet seats require a nearby GFCI outlet and may need an electrician in addition to the plumber. Full integrated bidet toilets like TOTO Washlets involve water supply connections that a plumber handles along with any electrical work required.
Plumber labor to replace a bathroom sink faucet runs $100 to $400. Simple single-hole faucet replacements on an accessible pedestal or vanity sink take under an hour. Widespread faucets, undermount installations with limited access, or replacing corroded supply valves alongside the faucet push cost toward the higher end of the range.
A toilet generally warrants replacement rather than repair when it is more than 20 years old, requires frequent repairs, shows visible cracks in the porcelain, or consistently underperforms on flushing (which may indicate internal scaling or trapway deterioration). Replacing a 3.5 GPF toilet from the 1990s with a current 1.28 GPF EPA WaterSense model also delivers long-term water savings that offset the replacement cost.
Water rising close to the rim before draining, slow drain speed, gurgling sounds after flushing, or bubbling in adjacent drains all suggest partial obstruction in the drain line. These signs warrant a plumber visit to assess whether the issue is at the toilet itself, in the local drain line, or further downstream in the main stack or sewer lateral.
Standard homeowner's insurance covers sudden and accidental water damage but typically does not cover the cost of plumbing repair itself. The pipe or fixture that fails is not covered, but resulting water damage to floors, walls, and ceilings usually is. Slow leaks or damage resulting from deferred maintenance are commonly excluded. Review your specific policy with your insurer.
PEX (cross-linked polyethylene) is a flexible plastic pipe that has largely replaced copper for residential water supply in new construction and remodels. It costs significantly less than copper, installs faster, handles freeze cycles better without bursting, and carries no corrosion risk. Most major plumbing code authorities accept PEX for potable water supply. For bathroom supply line replacement or new rough-in work, PEX is a sound, code-compliant choice.
Main sewer line clearing costs $150 to $500 for standard cable machine service. Hydro-jetting a main line runs $350 to $700. Camera inspection to identify the obstruction or assess pipe condition adds $100 to $300. If the main line has root intrusion or structural failure requiring excavation and replacement, costs escalate to $3,000 to $15,000 or more depending on depth and length of affected pipe.
Plumber costs for bathroom work in 2026 range from $75 for a minor repair to over $10,000 for full bathroom rough-in plumbing. Most homeowners will spend $150 to $450 for toilet replacement, $100 to $400 for leak repairs, and $1,500 to $7,500 for new bathroom rough-in. Getting three written quotes, verifying licensing and insurance, and asking whether permits are included will protect you from unexpected costs and liability. Choosing a toilet with strong MaP flush performance and EPA WaterSense certification before calling a plumber ensures the installation produces lasting value rather than repeat service calls.
How we rank & our data sources
We do not run physical lab tests. Rankings are built from published, verifiable data and real owner feedback, never paid placement.
Researched by Derek Whitman · Last updated June 19, 2026 · Our review method

When a toilet will not flush at all, the cause is almost never the bowl itself. It is one of a short…
Read the guideEverything you need to know about drain pitch requirements, horizontal drain sizing, code compliance, and how poor slope causes slow drains and…
Read the guideEverything you need to know about choosing the right closet bolts, understanding the correct dimensions, picking the right material, and installing them…
Read the guide