Where Dublin is and which ZIP codes it uses
Dublin sits on the Scioto River at the metro's northwest edge. Most residents live in Franklin County, and smaller parts of the city sit in Delaware County and Union County, according to U.S. Census Bureau county-part estimates. The two residential ZIP codes are 43016 and 43017. A Dublin mailing address does not always mean the City of Dublin: Census data show part of ZIP 43017 lies inside the City of Columbus and part lies outside any city, in township land. Familiar areas include Historic Dublin along the river, the Bridge Park district across from it, Muirfield Village, Ballantrae, Tartan West and Tartan Ridge. Give the street address, not only the ZIP, when you call.
How old Dublin homes are, and why that matters for repairs
Dublin grew quickly over the last half century. The Ohio Department of Development's census report lists 31,392 residents in 2000, 41,751 in 2010 and 49,328 in 2020. The Census Bureau's American Community Survey puts the median year built for Dublin housing at 1996; roughly 56 percent of units were built between 1970 and 1999 and close to 39 percent in 2000 or later, while fewer than 2 percent predate 1940. About two-thirds of units are single-family detached houses, and the median home has close to eight rooms. For a 1980s or 1990s house, original water heaters, furnaces, sump pumps and supply valves may have been replaced already or may be nearing the end of their service life, so ask the provider to confirm the age and condition of the specific equipment before quoting a repair or a replacement.
Who supplies water and sewer service in Dublin
The City of Dublin states that the City of Columbus provides water to all Dublin residents and businesses on the public distribution system, drawing on both surface water and groundwater, and Columbus handles water bills and meters. Columbus tests lead levels in Dublin every three years. If you suspect a water main break, Dublin asks residents to contact its Engineering division during business hours and the Columbus Division of Water emergency line after hours. Dublin processes sanitary sewer taps for existing homes, collects both Dublin and Columbus sewer capacity charges, and files an annual report on sanitary sewer overflows and water-in-basement events. Some older developed parcels still rely on private wells or septic systems; a 2015 council policy, amended in 2022, extends public lines to those areas and waives Dublin's connection fees.
Permits and inspections for Dublin properties
For addresses inside the city, residential building, plumbing and mechanical permits go through Dublin's Building Standards division at 5200 Emerald Parkway. Work in the public right-of-way, such as a new water or sewer service line, also needs a Dublin right-of-way permit, and when the main runs on the far side of the street the city requires directional drilling rather than an open cut. Abandoning a well or a home sewage treatment system involves Franklin County Public Health. A contractor can pull permits and coordinate inspections for the owner, so ask who will do it.
Which Ohio Service Hub guide fits your Dublin problem
Match the symptom first. A burst or frozen pipe or a failed sump pump belongs with emergency plumbing; no hot water or a leaking tank with the water heater guide; several drains backing up at once with drain and sewer; and a furnace blowing cold air with furnace and HVAC repair. Ohio Service Hub is a referral service, not a contractor.
Dublin homeowner call checklist
- 1Give the full street address and confirm whether it is inside the City of Dublin, the City of Columbus or a township; ZIP 43017 crosses those lines.
- 2Know where the main water shutoff is. In Dublin the public water system and meter belong to the City of Columbus.
- 3Note the approximate age of the water heater, furnace or sump pump from its label; much Dublin housing was built between the 1970s and the 2000s.
- 4If water is entering the basement through a floor drain during heavy rain, tell the provider and keep a dated record of the event for the city.
- 5Ask the provider who will pull the Dublin Building Standards permit and schedule the inspection, and get the price in writing before work starts.
Common homeowner questions
Which ZIP codes and counties does Dublin cover?
Dublin's residential ZIP codes are 43016 and 43017. Most of the city lies in Franklin County, with smaller portions in Delaware and Union counties. Some 43017 addresses are actually in the City of Columbus or a township, so check the property's jurisdiction.
Who do I contact about a water main break in Dublin?
During regular business hours, Dublin asks residents to call its Engineering division, which inspects the site and contacts Columbus. Outside business hours, use the City of Columbus water emergency line. A leak inside your home or on your private service line is a job for a plumber.
Do I need a permit to replace a water heater or furnace in Dublin?
Yes, in most cases. Dublin's Building Standards fee schedule lists a residential plumbing permit for water heater replacement, and furnace or gas-line work may need its own mechanical or gas permit. Inside the city, those permits come from Building Standards. Ask your contractor to pull the permit and to confirm the inspection is scheduled.
How do I reach a plumber or HVAC provider for a Dublin home?
Call the number on this page. Your call may be recorded and may be routed to an independent local service provider serving Dublin and the wider Columbus metro. That provider confirms availability, pricing and arrival time with you directly.
Government and primary-source references
- City of Dublin — Water and sanitary sewer
- Ohio Department of Development — Census 2020 population counts for governmental units
- U.S. Census Bureau — QuickFacts: Dublin city, Ohio
- City of Dublin — Building Standards residential fee schedule (2026)
- U.S. Census Bureau — B25035 Median year structure built
- City of Columbus — Water and sewer contract communities
External references support general guidance. They do not verify any specific contractor or provide a booking.