Top Plumbing Companies in Knoxville
1.Pipe Wrench Plumbing, Heating & Cooling
4.8★ (5,863 reviews)
4.8★ from 5863 reviews
Plumbing Cost in Knoxville
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Knoxville |
|---|---|
| Drain clearing | $141–$328/job |
| Leak repair | $141–$469/job |
| Water heater replacement | $1,126–$2,345/job |
| Repiping | $2,814–$7,504/job |
Plumbing prices in Knoxville run about 6% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 12 companies serving Knoxville, rated 4.9★ on average across 7,043 customer reviews.
Knoxville Climate & Seasonal Timing
What Knoxville's weather means for scheduling plumbing.
- Last spring frost
- April 11
- First fall frost
- October 30
- Annual precipitation
- 51.93"
- Heating degree days
- 3,955
- Cooling degree days
- 1,339
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 27.2° | 47° | 4.84" |
| Feb | 29.6° | 51.6° | 4.63" |
| Mar | 36.1° | 61° | 4.64" |
| Apr | 43.7° | 69.8° | 4.31" |
| May | 53.4° | 77.6° | 4.8" |
| Jun | 62.6° | 84.9° | 3.9" |
| Jul | 66.8° | 87.8° | 5.57" |
| Aug | 65.5° | 87.5° | 3.35" |
| Sep | 58.2° | 82.1° | 3.74" |
| Oct | 46° | 71.5° | 2.84" |
| Nov | 36.3° | 60.4° | 4.24" |
| Dec | 29.7° | 49.5° | 5.07" |
NOAA station data 5.01 miles from Knoxville.
Permits & Regulations in TN
Permit typically required
- Plumbing falls under the CMC-A Plumbing and Gas Piping classification of the Tennessee Board for Licensing Contractors
- A full contractor license is required once the plumbing portion of a project reaches $25,000 including materials, equipment and labor
- Projects under $25,000 may instead require the state Limited Licensed Plumber credential, plus local permits and inspection
License required: Tennessee CMC-A contractor license ($25,000+) or Limited Licensed Plumber
Sources: www.tn.gov
Plumbing FAQs for Knoxville
How much does a plumber cost in Knoxville?
Drain clearing in Knoxville typically runs $141-$328 per job.
Do I need a licensed plumber in Knoxville, TN?
In TN, Plumbing falls under the CMC-A Plumbing and Gas Piping classification of the Tennessee Board for Licensing Contractors. Confirm the scope with the Knoxville building department before work starts.
How many plumbers serve Knoxville?
We track 12 plumbing professionals serving Knoxville.
Do pipes freeze in Knoxville?
Winter lows in Knoxville average around 27F, which is what decides whether exposed and exterior pipes here need insulating.
Is plumbing work in Knoxville more expensive than the national average?
Plumbing in Knoxville runs about -6.2% versus the national average.
Does Knoxville rainfall affect drains and sewer lines?
At 51.93 inches a year, Knoxville yards put real load on exterior drains, and heavy rain is usually when a root-blocked sewer line makes itself known.
How much do Knoxville water heaters have to work?
With 3,955 heating degree days, incoming water in Knoxville runs cold for a good part of the year, which is why water heater sizing matters more here than the tank label suggests.
When should I winterize plumbing in Knoxville?
Before the first frost around October 30 in Knoxville — hose bibs and irrigation lines are the usual first casualties.
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