We're the Royal Oak 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.

Royal Oak is the largest of the south Oakland County cities along Woodward, north of Ferndale. It mixes 1920s bungalows near downtown with large 1950s neighborhoods and newer condos, so plumbing calls range from century-old cast iron to modern PEX.
Royal Oak housing by the numbers
According to ACS 2020–2024 data, Royal Oak has 31,130 housing units with a median build year of 1956, and 61% were built before 1960. The 1950s account for 29% and the Before 1940 for 17%. That's 9 years newer than Detroit's median of 1947.
| Year built | Royal Oak | Detroit |
|---|---|---|
| Before 1940 | 17% | 36% |
| 1940s | 15% | 20% |
| 1950s | 29% | 21% |
| 1960s | 13% | 8% |
| 1970s | 9% | 5% |
| 1980–1999 | 7% | 5% |
| 2000 or later | 10% | 4% |
Common plumbing materials in Royal Oak
For most Royal Oak homes, the plumbing that matters most is out of sight: cast iron under the basement slab and clay pipe under the yard. Both were standard for the era. Inside, supply piping is often copper by now, but galvanized sections hide in walls and ceilings, especially near the water heater and laundry.
Who calls a plumber in Royal Oak
About 68% of occupied homes in Royal Oak are owner-occupied, and 65% of housing units are single-family detached houses (ACS). 23% of units are in buildings with five or more units. In apartments and condos, the association or building owner is usually responsible for shared stacks and mains, while fixtures and lines inside the unit fall to the owner, so check your bylaws or lease first.
Royal Oak: common calls and local details
Royal Oak has about 31,000 housing units and a median year built of 1956, with roughly 17% before 1940 and 61% before 1960. Its plumbing ranges widely, from 1920s bungalows near downtown with original cast iron, to large 1950s neighborhoods, to condos and infill houses with modern PEX. About 68% of homes are owner-occupied. Royal Oak's Building Department says permits and inspection requests can be handled online through AccessMyGov. In condo buildings, shared stacks and mains usually belong to the association. If you own an older Royal Oak bungalow, a camera inspection of the lateral is worth doing before a big landscaping project; tree roots and new plantings near the sewer line can be a costly combination.
Royal Oak water heater repair and replacement
In Royal Oak, 83% of homes heat with natural gas (ACS 2020–2024), and gas tank water heaters are the norm. If yours is leaking at the base, it's usually the tank and can't be repaired; if it's lighting but not keeping up, sediment or a failed dip tube are common suspects. Our water heater repair page explains repair versus replacement, and permits are handled through the Royal Oak Building Inspection.
Cold-weather plumbing in Royal Oak
The nearest long-term NOAA station, Detroit Metro Airport, averaged 111 nights at or below freezing per winter from 2015-2025, and 30 days that never got above 32°F. In 9 of those 10 winters the low hit 0°F or colder at least once. In Royal Oak'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 Royal Oak
Royal Oak's water department is your first call about the service line, meter and public mains. Under Michigan's Lead and Copper Rule, water supplies must replace all lead and GPCL service lines, averaging 5% a year, by January 1, 2041, and partial replacement is only allowed during emergency repairs. With 32% of Royal Oak homes built before 1950, a lead or galvanized service is worth checking for.
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 Royal Oak is usually a private repair. A camera inspection shows exactly what's wrong; see sewer line repair.
Plumbing permits in Royal Oak
Royal Oak's Building Department issues plumbing permits and handles inspections; the city says permits and inspection requests can be handled online through AccessMyGov. Source: Royal Oak Building Inspection. 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 Royal Oak
Drain cleaning
Main-line clogs at the basement floor drain are a classic Royal Oak call. Fixture, floor-drain and main-line cleaning.
Sewer line repair
Camera inspection, spot repair and lateral replacement, permitted through Royal Oak.
Water heater repair
Gas and electric tank repair and replacement for Royal Oak homes.
Emergency leak repair
Burst and frozen pipes, active leaks and backups. Call first.
Nearby service areas: Ferndale, Madison Heights, Oak Park, 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 Royal Oak.
Royal Oak plumbing FAQ
How old are most homes in Royal Oak?
The American Community Survey (2020–2024) gives a median year built of 1956 for Royal Oak's 31,130 housing units, with 61% built before 1960 and 17% before 1940.
Do I need a permit for plumbing work in Royal Oak?
Usually, for anything beyond clearing a stoppage or repairing faucet parts. Water heater replacement, re-piping and sewer work need a permit from the Royal Oak Building Inspection.
Could my Royal Oak home have a lead water service line?
It's possible, especially in homes built before about 1950 (32% of Royal Oak'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 Royal Oak 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 Royal Oak?
Yes, we take calls from every neighborhood in Royal Oak. Call (313) 474-7729 or send the form with your ZIP code.
