Do I need a permit for water heater replacement in Unincorporated Martin County?
Unincorporated Martin County does not issue residential building permits. Martin County has no county building department and issues no residential building permit. The Indiana Department of Homeland Security (IDHS) Local Building Officials directory (Martin County report, printed 9/27/2026) lists no local building official for 'All Areas Not In Jurisdictions Listed Below', only the IDHS state inspector (Matthew Prost, 317-232-1407), who handles Class 1 (commercial) structures; the state does not issue permits for one- and two-family dwellings. The county's official site lists no building, planning, or zoning office. The Martin County Health Department issues septic permits. The state residential code still applies to the work.
The requirements below come from Indiana rules and describe the standard the work must still meet. They are not a statement that Unincorporated Martin County will issue you a permit.
It depends. Whether water heater replacement needs a permit in Unincorporated Martin County comes down to the details of your project.
A gas fired water heater, a change in size, or a move to a new location falls outside like for like exemptions, which cover a same size electric unit reinstalled in the same place. Gas work normally needs its own mechanical or gas permit and a pressure test, and relocating the unit can change venting, combustion air, drain pan, and expansion tank requirements. Indiana's residential code deletes the IRC's permit, exemption, inspection, and fee sections (R105 and R108 to R114), so whether this job needs a permit is set by the local ordinance of the city, town, or county, not by the model IRC exemption list. Plumbing contractors and journeyman plumbers must hold a state license from the Indiana Plumbing Commission (IC 25-28.5-1-11), but an owner occupant of a dwelling of eight or fewer units may install, alter, or repair its plumbing (IC 25-28.5-1-32). Installations must meet the plumbing and fuel gas chapters of the 2020 Indiana Residential Code as amended, and compliance with the Indiana Plumbing Code (675 IAC 16) is allowed instead.
Get your exact answer
Answer a few questions to see the specific permits, documents, and next steps for your water heater replacement in Unincorporated Martin County.
Check my projectDocuments you may need
- Plumbing or mechanical permit application, where the local unit requires oneLikely required
- Property address and parcel informationrequired
- Water heater specifications (fuel type, capacity, venting)Sometimes required
- Plumbing contractor license, if a contractor is hiredSometimes required
Possible inspections
- Plumbing and gas or venting inspection where the local unit inspects
- Final inspection where the local unit inspects
Frequently asked questions
- Do I need a permit for water heater replacement in Unincorporated Martin County?
- It depends. Whether water heater replacement needs a permit in Unincorporated Martin County comes down to the details of your project. The documents and inspections sections on this page list what the building department typically asks for.
- Who issues the permit in Unincorporated Martin County?
- The local building department for Unincorporated Martin County handles permitting. This page lists its contact details and online portal. Your mailing city is not always the permitting authority, so confirm the jurisdiction before you apply.
- How do I find out the exact requirements for my project?
- Run the free PermitRoadmap check for your specific project and answers. It returns the likely permits, documents, inspections, and next steps, each linked to its official source.
PermitRoadmap is an independent informational service and is not affiliated with any city, county, state agency, or permitting authority. Results are informational and do not replace confirming requirements with the local permitting authority.