We're the Allen Park plumber for older Detroit-area houses: drains, sewer lines, water heaters and urgent leaks. Call (313) 474-7729 to talk to us. We're open 8 AM–10:30 PM, every day.
Allen Park sits between Dearborn and the downriver cities, along I-94 and Southfield Road. Allen Park is a strongly owner-occupied city built largely in the 1940s and 1950s, so a lot of homeowners are dealing with original basement plumbing that's 70-plus years old.
Allen Park housing by the numbers
Allen Park is a post-war city at heart. The Census Bureau's American Community Survey (2020–2024) shows 77% of its 12,374 housing units were built before 1960, led by the 1950s (53%) and the 1940s (17%). The median year built is 1955. That's 8 years newer than Detroit's median of 1947.
| Year built | Allen Park | Detroit |
|---|---|---|
| Before 1940 | 7% | 36% |
| 1940s | 17% | 20% |
| 1950s | 53% | 21% |
| 1960s | 14% | 8% |
| 1970s | 3% | 5% |
| 1980–1999 | 4% | 5% |
| 2000 or later | 2% | 4% |
Pipes you're likely to find in a Allen Park home
Homes from the 1940s and 1950s in Allen Park usually have cast-iron drains inside, clay sewer laterals outside, and either galvanized steel or copper supply lines, since copper became common during these decades. After 60 to 80 years, the most frequent calls are root-clogged laterals, rusted cast-iron under the basement floor, and pinhole leaks or poor pressure from galvanized pipe.
Allen Park housing types and plumbing responsibility
About 87% of occupied homes in Allen Park are owner-occupied, and 92% of housing units are single-family detached houses (ACS). Only 2% of units are in two- to four-unit buildings and 4% in larger buildings, so most plumbing calls here come from homeowners responsible for everything from the meter to the city sewer connection. That high ownership rate means many Allen Park residents have lived with the same plumbing for years and know its quirks, which helps a plumber diagnose a problem faster.
What to watch for in a Allen Park home
Allen Park is strongly owner-occupied (about 87%) and mostly built in the 1940s and 1950s; 77% of homes predate 1960. That combination produces a lot of long-time homeowners with original basement plumbing that has been patched rather than replaced. Typical Allen Park calls include galvanized supply sections causing low pressure, cast-iron drains rusting under the basement floor, and laterals with root intrusion. The Building and Engineering Department requires contractors to register with the city before pulling permits, which is one more reason to work with an established contractor rather than someone passing through. If your water heater is in a finished basement, add a drain pan and keep the area around it clear; a tank that fails slowly is far easier to deal with than one that fails all at once.
Hot water problems in Allen Park homes
ACS data show 89% of occupied Allen Park homes heat with utility gas and 9% with electricity. Most water heaters follow the same fuel, so the typical Allen Park unit is a gas tank in the basement venting into a chimney or metal flue. Common calls are pilot or burner problems, sediment rumbling, leaking relief valves and tanks that finally rust through. Replacement needs a permit from the Allen Park Building and Engineering; see water heater repair for what to check first.
Freeze risk for Allen Park plumbing
Over 10 winters (2015-2025), NOAA's Detroit Metro Airport station logged an average of 2.6 days a year with lows of 0°F or colder and 111 freezing nights. It's the multi-day cold snaps that freeze pipes. In Allen Park's post-war houses, the trouble spots are usually pipes near basement windows and rim joists, and kitchen sinks on outside walls. See our frozen pipes guide or, for a split pipe, the emergency plumber page.
Lead service lines and sewer laterals in Allen Park
Michigan requires water supplies, including Allen Park's, to replace all lead service lines and galvanized lines that were connected to lead by 2041, paying for the full line. You can check yours where the pipe enters the basement: lead is soft, dull gray and scratches to shiny silver. Ask the city before paying privately to replace a lead service.
On the sewer side, the pipe from your house to the public sewer is the property owner's responsibility in most Detroit-area cities, so a root-clogged or broken lateral in Allen Park is usually a private repair. A camera inspection shows exactly what's wrong; see sewer line repair.
Allen Park permits and inspections
Allen Park's Building and Engineering Department issues plumbing permits. Contractors create an account and register with the city before pulling permits, and applications can go through the city's portal or BS&A Online. Source: Allen Park Building and Engineering. Statewide, plumbing is governed by the 2021 Michigan Plumbing Code (effective March 12, 2024), with one- and two-family homes following the plumbing provisions of the Michigan Residential Code. Clearing a stoppage or repairing only the working parts of a faucet generally doesn't need a permit; replacing pipe or a water heater does.
Plumbing services in Allen Park
Drain cleaning
Main-line clogs at the basement floor drain are a classic Allen Park call. Fixture, floor-drain and main-line cleaning.
Sewer line repair
Camera inspection, spot repair and lateral replacement, permitted through Allen Park.
Water heater repair
Gas and electric tank repair and replacement for Allen Park homes.
Emergency leak repair
Burst and frozen pipes, active leaks and backups. Call first.
Nearby service areas: Dearborn, Lincoln Park, Taylor, Southgate, and Detroit. See all areas.
No published prices. Every job is priced on site after diagnosis, because access, pipe material, depth and parts all change the work. Call (313) 474-7729 to talk through a plumbing problem in Allen Park.
Allen Park plumbing FAQ
How old are most homes in Allen Park?
The American Community Survey (2020–2024) gives a median year built of 1955 for Allen Park's 12,374 housing units, with 77% built before 1960 and 7% before 1940.
Do I need a permit for plumbing work in Allen Park?
Usually, for anything beyond clearing a stoppage or repairing faucet parts. Water heater replacement, re-piping and sewer work need a permit from the Allen Park Building and Engineering.
Could my Allen Park home have a lead water service line?
It's possible, especially in homes built before about 1950 (24% of Allen Park's housing). Check where the line enters the basement, and contact the city's water department; Michigan requires water supplies to replace lead lines by 2041.
Who fixes the sewer line between my Allen Park house and the street?
Generally the property owner is responsible for the private lateral from the house to the public sewer, and the city maintains the public main.
Do you cover all of Allen Park?
Yes, we take calls from every neighborhood in Allen Park. Call (313) 474-7729 or send the form with your ZIP code.