Toilet Repair in Derry, NH

Derry is mixed on both counts: 74% of its housing predates 1990, and 69% of households own rather than rent.

Short version

In Derry the split runs 69% owner-occupied against 31% rented. That makes responsibility a matter of your own address rather than the town's pattern, and it is worth settling before anybody is called out to the property. At 74% pre-1990, the housing gives no strong steer on flush volume, which makes the tank label worth a look.

Source: US Census Bureau, American Community Survey 5-year estimates, tables B25003 and B25034.

Tank and Bowl is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We carry out no work, we sell no fixtures, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

Who this page is for in Derry

About 31% of households in Derry rent. For them the fixture is part of the property and the repair is the landlord’s; for the 69% who own, it is a straightforward decision about a part.

Occupied homes in Derry	Share	Homes
Owner-occupied	69%	9,133
Rented	31%	4,046

Source: US Census Bureau, American Community Survey 5-year estimates, table B25003 (tenure), 2023 release. Universe: 13,179 occupied housing units.

What the age of Derry’s housing suggests

Derry straddles the line: 74% of its housing units were built before 1990, when the Energy Policy Act of 1992 set the 1.6 gallon maximum, and the rest since.

So the housing stock genuinely does not predict the fixture here, and the date inside the tank lid is worth more than any figure on this page.

Housing in Derry	Share
Built before 1940	9%
Built 1940 to 1989	65%
Built 1990 onwards	26%

Source: US Census Bureau, American Community Survey 5-year estimates, table B25034 (year structure built), 2023 release. Universe: 14,207 housing units, including vacant ones — a different universe from the tenure table above. Flush volumes: US EPA WaterSense, tank-type toilet supporting statement

What is actually wrong with it

The fault list is short. A running tank and a weak flush are both usually parts inside the tank. A leak at the base is the one that damages the building, and a fixture that rocks is the one that causes it.

On an older fixture that is being lifted anyway, ask what the difference is between putting this one back and setting a new one down. Frequently the work is the same and only the part differs, which is the one moment when replacement is worth thinking about.

Other New Hampshire towns we route in

Peterborough 58% owner-occupied · 76% built before 1990
Gilford 91% owner-occupied · 65% built before 1990
Westmoreland 88% owner-occupied · 78% built before 1990
Hillsborough 90% owner-occupied · 71% built before 1990
Troy 77% owner-occupied · 80% built before 1990

Everywhere we route in New Hampshire

Checking a plumber in New Hampshire

Checking a credential in New Hampshire

The authority is the New Hampshire Office of Professional Licensure and Certification, Mechanical Safety and Licensing Board. New Hampshire licenses plumbers but publishes no online licensee search, so verification means contacting the office directly.

If the dye test pointed at the flapper, that is a part, not a fixture.Worth saying on the call, because it changes what somebody arrives with. We connect you to a contractor covering your area and you are never charged. We work across Derry on every plumbing matter, not toilets alone.

Call (888) 525-3450