Lane County, OR Accessory Structures: ADU Impact Fees (2026)
Key Facts
- ADU SDC rate
- Half the single-family rate
- Manufactured home SDC rate
- Full single-family rate
- Applies to permits filed after
- April 14, 2002
- Appeal fee to Board
- $250, within 14 days
- Revenue-challenge fee
- $100, within 2 years
- Administrator
- Public Works Director or designee
- Permit hold
- Withheld until SDC paid
Summary
Lane County charges its Parks and Recreation System Development Charge on every new dwelling built in the unincorporated area, but Lane Code 4.030.020(C) sets the accessory dwelling unit rate at half of the single-family charge. The fee applies to building permits filed after April 14, 2002, is calculated from the county's 2001 SDC Methodology Report, and is collected by the Administrator before the county issues the ADU's building permit.
A. Except as otherwise provided in LC 4.030.005 through LC 4.030.075, a Parks and Recreation SDC shall be imposed upon all new development with new dwelling units for which an application for a building permit is filed after April 14, 2002. B. Except as otherwise provided in LC 4.030.005 through LC 4.030.075, manufactured housing shall be charged the full SDC rate. C. Except as otherwise provided in LC 4.030.005 through LC 4.030.075, accessory dwelling units shall be charged at one-half (½) the single family housing SDC rate.
Full Breakdown
010 defines an accessory dwelling unit as "a second dwelling unit created on a single lot with a single-family or a manufactured housing dwelling unit," always smaller than the primary home. 020(A), the Parks SDC applies to all new development with new dwelling units for which a building permit application was filed after April 14, 2002, with rates set by the Lane County Parks and Recreation System Development Charges Methodology Report and Rate Study dated September 4, 2001. Subsection (B) charges manufactured housing the full SDC rate, while subsection (C) charges an ADU only one-half the single-family housing SDC rate.
Applicants must file an SDC application form describing the previous and proposed uses of the property so the Administrator, defined as the Public Works Director or a designee, can calculate the charge. 025 fully exempts temporary structures used 180 days or fewer per year, hardship mobile home placements meeting Lane Code Chapter 16, and any accessory building or alteration that does not add a new dwelling unit. 030 for existing capacity already paid for on the site. 005.
Violations & Fines
An applicant who disputes the SDC amount may appeal the Administrator's decision to the Board of County Commissioners under 4.030.055 by filing within 14 days of the written decision and paying a $250 appeal fee; the Board must decide within 90 days. No building permit is issued until the SDC is paid in full, though an applicant may pay under protest to get the permit while the appeal proceeds. A separate $100 fee applies to challenge how SDC revenue was spent, filed within two years of the expenditure.
Frequently Asked Questions
Does an ADU pay the same parks fee as a new house in Lane County?
Is any Lane County ADU exempt from the parks SDC?
Can I appeal my ADU's Parks SDC amount?
Will Lane County issue my ADU building permit before I pay the SDC?
Sources & Official References
Other rules in Lane County
Compare Lane County to another location·View the Oregon accessory structures overview
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