Medford, Oregon HVAC Local Permit Ordinances and Codes
Medford, Oregon HVAC Permit Ordinances
In Medford, Oregon, HVAC installations and replacements generally require a mechanical permit. The City of Medford Building Safety Department is the Authority Having Jurisdiction (AHJ) for these permits. It is crucial to obtain the necessary permits before commencing work to avoid potential fines, stop-work orders, or the requirement to remove completed work.
Permit Requirements and Fees
- Replacing an HVAC system typically requires a mechanical permit with estimated fees ranging from $67 to $225.
- Installing a new or different HVAC system may incur fees between $90 and $360.
- Modifications to ductwork also require a mechanical permit, with estimated fees from $67 to $270.
- Adding central HVAC systems can have permit fees ranging from $135 to $450.
- The permit fees are based on the scope and valuation of the project.
- Permits are non-transferable and non-refundable, and they expire if work is not started within 180 days of issuance or is suspended for 180 days.
Zoning and Other Nuances
- The City of Medford's Development Services office oversees Building Safety, Planning, and Public Works Engineering.
- While specific zoning nuances for HVAC are not detailed in the provided search results, the Comprehensive Zoning Code aims to promote public health, safety, and general welfare, and to regulate the location and intensity of building uses.
- It is recommended to consult directly with the City of Medford Building Safety Department for project-specific code questions and local permitting requirements.
- The City of Medford uses the Oregon Mechanical Specialty Code (OMSC) and the Oregon Residential Specialty Code (ORSC), based on the 2021 International Residential Code (IRC). The 2025 Oregon Specialty Code (OSSC), based on the 2024 International Building Code (IBC), took effect in October 2025.
Resources to Learn More
Because Medford is located within Jackson County, the following broader county regulations may also apply to your project:
Oregon, Jackson County Hvac Permit Regulations and County Ordinances for Unincorporated Areas
Jackson County HVAC Permit Requirements
In Jackson County, Oregon, HVAC permit requirements are primarily governed by the county's Building Division, which administers the State Structural Specialty Code, Mechanical Specialty Code, Electrical Specialty Code, and Plumbing Specialty Code. For properties located within incorporated city limits, you will need to contact the specific city's planning or building department for permit information. However, for properties in unincorporated areas, the county typically issues all necessary permits.
A mechanical permit is required for most HVAC work, including the installation or alteration of heating and cooling systems with ductwork, or systems that require venting. This also extends to gas piping, furnaces, heat pumps, air conditioning units, and mini-split systems. Even if a building permit is not required for a project, a mechanical permit may still be necessary for HVAC work.
Oregon law mandates that permits are obtained for installations, alterations, and construction to ensure work meets minimum safety standards. The person performing the work, whether a homeowner or a contractor, is responsible for obtaining all necessary permits.
Specific rules for unincorporated areas mean that the county is the issuing authority for permits in these locations. For example, White City is noted as being in an unincorporated area, and the county issues all permits there.
It is important to note that permit rules and fees can change, and it is recommended to confirm current requirements directly with the relevant city or county department before applying.
Resources to Learn More
The following statewide building codes and regulations apply universally to all jurisdictions within Oregon:
Oregon Hvac Legislation, Codes, and Guidelines
Oregon HVAC Building Codes and Legislation
Oregon regulates heating, ventilation, and air conditioning (HVAC) systems through a series of state-specific specialty codes. These codes are updated periodically to incorporate modern standards, energy efficiency requirements, and safety protocols. As of April 2026, the primary codes governing mechanical systems in the state include the 2025 Oregon Mechanical Specialty Code (OMSC) and the 2023 Oregon Residential Specialty Code (ORSC).
The 2025 OMSC, which became mandatory on April 1, 2026, is based on the 2024 editions of the International Mechanical Code (IMC) and the International Fuel Gas Code (IFGC), with specific Oregon amendments. For residential construction, the 2023 ORSC provides the governing standards. Recent legislative and regulatory updates have introduced significant changes, including new requirements for heat pumps in certain new residential construction projects where split-system air conditioning is installed, aimed at improving energy efficiency and reducing long-term utility costs for homeowners.
Primary Regulatory Agencies
The administration and adoption of these building codes are managed by the following state entities:
- Oregon Building Codes Division (BCD): A division within the Department of Consumer and Business Services, the BCD is the primary agency responsible for adopting, administering, and enforcing the state's specialty codes, including the mechanical and residential codes.
- Residential and Manufactured Structures Board (RMSB): This board works with the BCD to review and approve updates to residential building codes, including recent measures regarding energy-efficient HVAC and heat pump mandates.
- Mechanical Board: This board collaborates with the BCD to adopt and administer the Oregon Mechanical Specialty Code.
- Construction Contractors Board (CCB): While the BCD sets the technical standards, the CCB is responsible for issuing specialty contracting licenses for HVAC work in the state.
Resources to Learn More