County Building Permits
Jefferson County, OR - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Jefferson County, Oregon. Permit authority, application steps, fees, and inspection requirements.
Oregon Updated March 2026
Permit Authority
Primary building permit authority for unincorporated Jefferson County including rural and county territory outside incorporated city limits.
- Department
- Jefferson County Community Development Department
- Address
- 85 SE D Street, Madras, OR 97741
- Phone
- (541) 475-4462
- Website
- https://www.jeffco.net/cd
Online Permit Portal
Platform: Oregon ePermitting / Accela • Account required: Yes • Submission: Online only
Additional resources:
Application Process
- Determine whether property is located within an incorporated city; if yes, city approval required first before county permit issuance
- Confirm zoning and land use compliance with Jefferson County Planning; land use approval must be obtained before structural/building permit application
- For properties without public sewer, apply for on-site septic evaluation through the County Engineer with site plan, fees, and at least three test holes
- Once land use and septic approvals are granted, submit site plan and building plan for county review under Oregon Building Codes
- Create account in Oregon ePermitting and submit permit application online with required documents
- County intake reviews for completeness; if incomplete, applicant contacted for missing items
- Pay fees in Oregon ePermitting; permit routes to building review and applicable planning/septic review
- After approvals and final fee payment, permit issued and construction may begin
- Schedule required inspections through county or Oregon ePermitting
General Requirements
County requires permits for structural, dwelling, electrical, plumbing, mechanical, on-site/septic, and driveway access work. New construction, additions, replacement dwellings, detached structures, and regulated MEP work require permits.
Required Documents
- Building application
- Site plan
- Construction plans showing elevations and floor plans
- Structural details
- Any required septic/driveway approvals
- Permit validity
- Standard Oregon 180-day permit expiration applies; permits expire if final inspection not conducted within 180 days of issuance
- Building code
- Oregon State Building Code (OSSC, ORSC, OESC, OMSC, OPSC and specialty codes)
- Owner-builder
- County pages state homeowners may apply for permits; no separate local owner-builder policy beyond Oregon state law
- Contractor requirements
- Oregon licensing rules apply; most hired contractors need Oregon CCB license, electrical/plumbing contractors need both CCB and specialty BCD licenses
Fees
- Permit fee formula
- Valuation-based per Oregon state standards; county applies plan review and state surcharges
- Payment note
- County requires fee payment through Oregon ePermitting before permit issuance
Work That Does NOT Require a Permit
- One-story detached accessory structures not exceeding 200 square feet and code height thresholds
- Fences not over 7 feet high
- Retaining walls up to 4 feet (measured from footing bottom to top) unless supporting surcharge or regulated building
- Painting, papering, tiling, cabinetry, countertops, floor coverings, and finish work
- Certain sidewalks, driveways, and flatwork not exceeding 30 inches above grade
- Small detached utility structures meeting ORSC exemption thresholds
Important: Plumbing, electrical, and mechanical exemptions are separate; applicants should verify with county before assuming work is exempt
Inspections
How to Schedule
- (541) 475-4462 (phone)
- Oregon ePermitting (online)
- Inspection hours
- Monday-Friday 8:00 a.m. - 5:00 p.m.
Typical inspection sequence: Typical sequence: Footing, stem wall, foundation, slab/flatwork, underfloor framing, framing, insulation, gypsum/lath, fireplace, mechanical, electrical, plumbing, and final inspection as applicable
Additional Resources
- Building code: Oregon State Building Code (OSSC, ORSC, OESC, OMSC, OPSC and specialty codes)
- Verify contractor license: Oregon Construction Contractors Board
- Zoning information: View zoning info
- Land Use Applications
- Accessory Dwelling Units
- Forms
- Oregon Building Codes Division - Adopted Codes
- License lookup guide: Oregon Contractor License Requirements
- Contract template: Oregon Homeowner-Contractor Agreement
- Oregon hub: Oregon Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Jefferson County Community Development Department before applying.
Frequently Asked Questions
Jefferson County Building Permit FAQ
- Do I need a building permit in unincorporated Jefferson County, OR?
- County requires permits for structural, dwelling, electrical, plumbing, mechanical, on-site/septic, and driveway access work. New construction, additions, replacement dwellings, detached structures, and regulated MEP work require permits.
- How much does a building permit cost in unincorporated Jefferson County, OR?
- Fees are calculated as: Valuation-based per Oregon state standards; county applies plan review and state surcharges.
- How do I apply for a building permit in unincorporated Jefferson County, OR?
- 1. Determine whether property is located within an incorporated city; if yes, city approval required first before county permit issuance 2. Confirm zoning and land use compliance with Jefferson County Planning; land use approval must be obtained before structural/building permit application 3. For properties without public sewer, apply for on-site septic evaluation through the County Engineer with site plan, fees, and at least three test holes 4. Once land use and septic approvals are granted, submit site plan and building plan for county review under Oregon Building Codes 5. Create account in Oregon ePermitting and submit permit application online with required documents 6. County intake reviews for completeness; if incomplete, applicant contacted for missing items 7. Pay fees in Oregon ePermitting; permit routes to building review and applicable planning/septic review 8. After approvals and final fee payment, permit issued and construction may begin 9. Schedule required inspections through county or Oregon ePermitting
- What work is exempt from building permits in unincorporated Jefferson County, OR?
- The following work is generally exempt: One-story detached accessory structures not exceeding 200 square feet and code height thresholds; Fences not over 7 feet high; Retaining walls up to 4 feet (measured from footing bottom to top) unless supporting surcharge or regulated building; Painting, papering, tiling, cabinetry, countertops, floor coverings, and finish work; Certain sidewalks, driveways, and flatwork not exceeding 30 inches above grade; Small detached utility structures meeting ORSC exemption thresholds. Note: Plumbing, electrical, and mechanical exemptions are separate; applicants should verify with county before assuming work is exempt
- How do I schedule a building inspection in unincorporated Jefferson County, OR?
- Inspections can be scheduled via: (541) 475-4462, Oregon ePermitting.
Need help with your project?
Navigating permits in Jefferson County can be complicated.
Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.
Learn how Jaspector works Important:
This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.