Plumbing repair · Gallatin, Tennessee
Plumbing repair in Gallatin, TN
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Gallatin's homes (34%) was built 2010 to 2019[1]. Request a licensed plumber who works here. Gallatin, in Sumner County — ZIP 37066, counts 54,590 residents (2025 estimate)[2].
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Gallatin plumbing snapshot: the key figures
- Population (2025 est.)
- 54,590[2]+22.8% since 2020
- County
- Sumner[2]
- Land area
- 35.7 sq mi[3]
- Decade the most homes date from
- 2010 to 2019[1]34% of housing units
- Homes built before 1980
- 28%[1]the 4th-highest share of the 13 Nashville-area suburbs we cover
- Homes built 1980–1999
- 16%[1]2020–2024
- Homes built 2010 or later
- 41%[1]the 3rd-highest share of the 13 Nashville-area suburbs we cover
- Winter-storm & freeze days, sumner zone
- 34[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 28[4]17 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 224[5]64 in the last 10 years; 179 paid
- Homes on utility gas heat
- 43%[1]gas piping work usually needs a permit and a licensed installer
What Gallatin's numbers say about plumbing
Gallatin is one of the fastest-growing Nashville-metro suburbs tracked here: 54,590 people (2025 estimate), up 22.8% since 2020[2]. It covers 35.7 square miles (1,530 residents per square mile, the 8th densest), sits entirely in Sumner County, in ZIP code 37066[3].
With 41% of homes built since 2010 and 28% before 1980[1], Gallatin's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
The entire city sits in ZIP code 37066[6].
The tracked suburbs closest by are Hendersonville (9.1 mi SW), Mount Juliet (12.8 mi S) and Goodlettsville (13.6 mi W)[3].
28% of Gallatin's 20,937 housing units predate 1980 and 41% went up in 2010 or later[1] — the 4th-highest pre-1980 share of the 13 Nashville-area suburbs we cover; nearby, Hendersonville (37%), Mount Juliet (9%), and Goodlettsville (35%) predate 1980. Houses that old can still have galvanized supply pipe or cast-iron drains — especially the 11% built before 1960.
The biggest single slice — 34% — was built 2010 to 2019, and the median home dates to 2004[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the sumner forecast zone logged 34 winter-storm, ice or hard-freeze days in 2016–2025, including February 2021; the latest was Feb 18, 2025[4].
Water from the sky is plumbing work too: 28 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 224 flood-insurance claims across Gallatin's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
43% of homes heat with utility gas, and 43% of households rent[1]. Tenants: report plumbing failures to the landlord in writing.
Among the 13 suburbs tracked here, Gallatin stands out for the 2nd-highest renter share (43%)[1], the 3rd-highest share of homes built since 2010 (41%)[1], and the 3rd-fewest flood reports nearby (28, tied with Lebanon and Spring Hill)[4].
Gallatin storm calendar
Within 10 miles of Gallatin, 2016–2025: 17 flash-flood reports and 11 flood or heavy-rain reports[4]. Peak: spread out; February, May, and July held 54%. Busiest year 2016 (6); 3 of 10 years had none. Busiest month July 2016 (5). Latest: flash-flood report, Mar 15, 2025, 9.1 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Feb | 4 | – | 4 |
| Mar | 1 | – | 1 |
| Apr | – | 1 | 1 |
| May | 3 | 3 | 6 |
| Jun | 2 | 2 | 4 |
| Jul | 1 | 4 | 5 |
| Sep | 4 | – | 4 |
| Oct | – | 1 | 1 |
| Dec | 2 | – | 2 |
plumbing help in Gallatin: what to do next
Requests go to Plumbing repair contractors serving the Gallatin area — ZIP code 37066.
Before you call: before the plumber arrives
The Gallatin numbers behind this page
| Measure | Gallatin | Median of 13 | Difference |
|---|---|---|---|
| Built before 1960 | 10.7% | 4.8% | 6 pts higher |
| Built before 1980 | 28% | 21% | 7 pts higher |
| Flood reports (10 mi) | 28 | 40 | 12 fewer |
| Built 2010 or later | 41% | 32% | 9 pts higher |
| Renter-occupied | 43% | 36% | 7 pts higher |
| Median year built | 2004 | 2002 | 2 years newer |
| Utility-gas heat | 43% | 43% | same as median |
Sorted by largest difference. Each median is the middle value across the covered Nashville-area suburbs, from the same sources.
| City | Flood reports | NFIP claims | Freeze days |
|---|---|---|---|
| Gallatin | 28 | 224 | 34 |
| Hendersonville 9.1 mi | 61 | 341 | 34 |
| Mount Juliet 12.8 mi | 46 | 250 | 26 |
| Goodlettsville 13.6 mi | 54 | 178 | 30 |
| Lebanon 14.3 mi | 28 | 280 | 26 |
| La Vergne 25.4 mi | 44 | 81 | 25 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 37066 | 224 | $5,833,697 | 2010 (127) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Mar 15, 2025 | Flash Flood | 9.1 mi |
| Feb 15, 2025 | Flash Flood | 9.3 mi |
| Feb 15, 2025 | Flash Flood | 5.0 mi |
| May 8, 2024 | Flash Flood | 2.3 mi |
| Sep 13, 2020 | Flash Flood | 2.6 mi |
| Sep 13, 2020 | Flash Flood | 9.4 mi |
| Sep 13, 2020 | Flash Flood | 5.7 mi |
| Sep 13, 2020 | Flash Flood | 9.3 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 1,446 | 6.9% | ±369 |
| 2010 to 2019 | 7,155 | 34.2% | ±585 |
| 2000 to 2009 | 3,151 | 15.0% | ±520 |
| 1990 to 1999 | 2,136 | 10.2% | ±381 |
| 1980 to 1989 | 1,242 | 5.9% | ±290 |
| 1970 to 1979 | 1,706 | 8.1% | ±354 |
| 1960 to 1969 | 1,869 | 8.9% | ±415 |
| 1950 to 1959 | 1,135 | 5.4% | ±249 |
| 1940 to 1949 | 550 | 2.6% | ±217 |
| 1939 or earlier | 547 | 2.6% | ±316 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 20,937 |
| Detached single-family | 11,661 (56%) |
| Occupied homes | 19,755 |
| Owner-occupied | 11,282 (57%) |
| Renter-occupied | 8,473 (43%) |
| Median home value | $372,000 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Electricity | 11,014 | 55.8% | ±734 |
| Utility gas | 8,410 | 42.6% | ±561 |
| No fuel used | 123 | 0.6% | ±86 |
| Bottled or tank gas (propane, butane, etc.) | 95 | 0.5% | ±69 |
| Fuel oil, kerosene, etc. | 94 | 0.5% | ±91 |
| Other fuel | 19 | 0.1% | ±34 |
| ZIP (ZCTA) | Share of Gallatin's land | Share of the ZIP inside the city |
|---|---|---|
| 37066 | 100% | 28% |
Dated heat and freeze records for the SUMNER forecast zone: see the county list.
Gallatin plumbing questions
Are Gallatin homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 11% were built before 1960 and 28% before 1980[1].
How often do pipes freeze in Gallatin?
The record for Gallatin's forecast zone shows 34 winter-storm or freeze days over 2016–2025, in 10 different years[4].
Which ZIP codes are covered in Gallatin?
37066[6], in Sumner County. Nearby suburbs with their own pages: Hendersonville (9.1 mi), Mount Juliet (12.8 mi), and Goodlettsville (13.6 mi)[3].
My Gallatin home is fairly new — could the plumbing and water heater still be under warranty?
Possibly: 41% of Gallatin's housing units were built in 2010 or later[1], the 3rd-highest share of the 13 Nashville-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
I rent in Gallatin. Who arranges the repair?
43% of occupied Gallatin homes are rented[1], the 2nd-highest share of the 13 Nashville-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- OpenFEMA NFIP claims
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.