Montgomery County · Dayton, OH
Plumbers in Dayton, OH
Dayton is in Montgomery County, Ohio. About 485,000 people live in the 43 ZIP codes we cover here, in roughly 230,000 homes, 67% of them single-family detached houses. The biggest share of the housing was built between 1960 and 1979 (33%), and that age decides most of what goes wrong with the plumbing.
- Same-day service when a plumber is available
- 43 ZIP codes covered
ZIP codes we cover in Dayton
45401, 45402, 45403, 45404, 45405, 45406, 45409, 45410, 45412, 45413, 45414, 45415, 45416, 45417, 45419, 45420, 45422, 45423, 45424, 45426, 45428, 45429, 45430, 45431, 45432, 45433, 45434, 45435, 45437, 45439, 45440, 45441, 45448, 45449, 45458, 45459, 45469, 45470, 45475, 45479, 45481, 45482, 45490
Dayton homes and their plumbing
Here is how Dayton's homes break down by year built, based on Census estimates for the covered ZIP codes: before 1940 15%, 1940–1959 26%, 1960–1979 33%, 1980–1999 16%, 2000 or later 11%. With that many older homes, original galvanized supply pipe and cast iron or clay drains are still common, so leaks, rust and root intrusion come up often.
| Year built | Share of homes |
|---|---|
| Before 1940 | 15% |
| 1940–1959 | 26% |
| 1960–1979 | 33% |
| 1980–1999 | 16% |
| 2000 or later | 11% |
Share of housing units in the covered ZIP codes. Census ACS 2023 5-year estimates.
- Residents in covered ZIPs
- 485,366
- Housing units
- 229,724
- Single-family detached
- 67%
- Owner-occupied
- 62%
- Heated with utility gas
- 66%
- Heated with electricity
- 31%
What goes wrong in Dayton homes
Pre-1960 homes: galvanized pipe and cast iron
41% of homes in Dayton's covered ZIP codes were built before 1960, 15% of them before 1940. Houses that old often still have galvanized steel supply lines that rust closed from the inside, and cast iron or clay sewer pipe that cracks and lets roots in. Weak pressure at upstairs fixtures, brown water after a shutoff and slow drains are the usual clues. Typical fixes are whole-house repiping and a sewer camera inspection.
Natural gas in most homes
66% of occupied homes here heat with utility gas, so gas water heaters, ranges and dryers are common. That means gas line extensions for new appliances, flexible connector replacements and venting checks when a water heater is swapped. If you smell gas, leave first and call the gas utility from outside. See gas line repair.
1960s and 70s homes reaching end of life
33% of the housing here dates from 1960 to 1979. Original copper supply lines in those homes are now 45 to 65 years old, and cast iron drains of that age scale up inside and crack. Seized shutoff valves, pinhole leaks and recurring main-line clogs are common calls. A camera inspection shows the condition of the sewer line before anyone digs.
Long, hard winters
74% of homes here were built before 1980, when pipes were more often run through exterior walls and uninsulated crawl spaces. In a long Ohio winter those are the lines that freeze and split. See frozen and burst pipe repair.
Common calls in Dayton
- Whole-House Repiping
- Gas Line Repair
- Sewer Camera Inspection
- Frozen & Burst Pipe Repair
- Water Softener Installation
- Water Heater Replacement
- Drain Cleaning
- Main Water Line Repair
Also available in Dayton: emergency plumbing and every plumbing service.
Dayton at a glance
- County
- Montgomery County
- ZIP codes
- 45401, 45402, 45403, 45404, 45405, 45406, 45409, 45410, 45412, 45413, 45414, 45415, 45416, 45417, 45419, 45420, 45422, 45423, 45424, 45426, 45428, 45429, 45430, 45431, 45432, 45433, 45434, 45435, 45437, 45439, 45440, 45441, 45448, 45449, 45458, 45459, 45469, 45470, 45475, 45479, 45481, 45482, 45490
Dayton plumbing FAQ
How old are the homes in Dayton?
In the ZIP codes we cover around Dayton, Census estimates put 41% of homes as built before 1960, 33% from 1960 to 1979, 16% from 1980 to 1999 and 11% in 2000 or later. The largest group is 1960–1979 (33%).
Who licenses plumbers in Dayton, OH?
The Ohio Construction Industry Licensing Board (OCILB) licenses plumbing contractors; many cities also register them.
Are water heaters in Dayton usually gas or electric?
Census data for the area show 66% of homes heating with utility gas, 31% with electricity. Water heaters often use the same fuel as the home's heat, so utility gas is the most common here, but check the label on your tank before you shop for a replacement.
Guides for Dayton homeowners
Nearby areas
Also covered nearby: Oakwood (4 mi), Vandalia (7 mi), Alpha (8 mi), Englewood (8 mi), Clayton (9 mi), Fairborn (10 mi), Miamisburg (11 mi), New Lebanon (11 mi).
Housing, heating and population figures are US Census Bureau American Community Survey 2023 5-year estimates for the ZIP code areas we cover in Dayton, so they may include neighboring communities that share those ZIP codes.
Need a plumber in Dayton?
Same-day service when a plumber is available. One call connects you with a licensed plumber who serves your ZIP.