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Brentwood · Williamson County

Brentwood homes, State permits and two water suppliers

The City of Brentwood doesn’t issue electrical permits. Every electrical and low-voltage permit and inspection in town goes through the State of Tennessee, under the 2017 National Electrical Code.

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Why does the State handle electrical permits in Brentwood?

Because Brentwood hasn’t taken electrical inspection on itself, the way Franklin and Nashville have. The city’s Codes FAQ answers “No” to whether it issues electrical permits, and its Codes Section lists the 2017 NEC as regulated and enforced by the State Fire Marshal’s Office.

After a permit is issued, the permit holder arranges the field inspection with the State Electrical Inspector. When a contractor holds the permit, that scheduling is the contractor’s job, not yours.

The FAQ’s wording covers low-voltage work too, which matters for outdoor and landscape lighting. Where a lighting job in Brentwood needs a permit, it’s a State permit, not a city one, and the city also publishes its own special guidelines for electrical and low-voltage installation.

Where does Brentwood’s water come from?

Brentwood doesn’t treat its own. The city buys water from Harpeth Valley Utility District and Metro Water Services and delivers it to most homes in the central part of town. Some homes on the east and west sides are served by a different water utility, and the city publishes an address map that shows which.

For plumbing, that matters when the water has to be shut off at the meter or a pressure question points to the street. Inside the house the work is the same whichever utility fills the pipes.

What does a mid-1990s Brentwood house tend to need?

The median house in Brentwood was built in 1996, in a city of about 45,600. At thirty years, a house is usually past its original water heater and on borrowed time with original faucets, toilet parts and supply valves.

The bigger projects houses that age invite are bathrooms: a tiled shower in place of a fiberglass insert, a new vanity, better lighting, and the outlets and exhaust fan that go with them. That kind of job touches all three of our trades, and in Brentwood it means a State electrical permit alongside whatever the city requires for the rest. Brentwood is about 22 miles from our base.

One practical difference from Nashville next door: Metro enforces the 2023 National Electrical Code, while a Brentwood job is inspected to the 2017 edition the State still uses. Two houses a few minutes apart, one in Brentwood and one across the Davidson County line, can be wired to different books.

Answers

Brentwood: questions

Does the City of Brentwood issue electrical permits?

No. Brentwood’s Codes FAQ says all electrical and low-voltage permits and inspections go through the State of Tennessee’s electrical permit program. After the permit is issued, the holder contacts the State Electrical Inspector to set up the inspection. The State’s electrical line is 615-741-7170.

Which electrical code is enforced in Brentwood, TN?

The 2017 National Electrical Code, enforced by the State Fire Marshal’s Office, according to the city’s Codes Section. That’s the statewide edition, effective October 1, 2018. Davidson County, next door, enforces the 2023 edition, so work across the county line is inspected to a different book.

Who supplies water to Brentwood homes?

Most homes in central Brentwood get city water that Brentwood buys from Harpeth Valley Utility District and Metro Water Services. Some houses on the east and west sides are served by another utility. The city’s water services page has a map showing the provider for each address.

Does Amped Up cover Brentwood from its Hermitage base?

Yes. Brentwood is about 22 miles from our Hermitage base, just over the Davidson County line into Williamson County. Permit rules there differ from town to town: Franklin issues its own electrical permits, while Brentwood relies on the State, which inspects to the 2017 National Electrical Code.

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