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TSDCs are one-time fees assessed on new or expanded developments in unincorporated Clackamas County.
These fees are based on the number of vehicle trips a specific land use generates and are intended to help fund transportation facilities needed to support the new or expanded development and its users.
TSDCs in unincorporated Clackamas County
- Rates and Fines
- Installment Plan
- Methodology
- Ordinance
- Reductions for Station Area and Mixed-Use Developments
- Residential permits
- Statement of use
- TSDC Credit Eligibility Flowchart
- TSDC Overview
Overview
A TSDC may be included in the final calculation of building permit fees for residential and commercial projects, if applicable.
- New single-family residence, accessory dwelling unit (ADUs) and manufactured homes are assessed a TSDC.
- Replacement dwellings are not assessed a TSDC; a replacement dwelling agreement may be required to confirm prior residence.
- Residential accessory structures (e.g., garages, shops) are not assessed a TSDC.
- A guest home, as defined by ordinance, are not assessed a TSDC.
For more information or questions, please submit your request using the DTD-Transportation SDC by email at dtdtranssdc@clackamas.us or in person at Clackamas County’s Transportation Engineering Department on the third floor of the Development Services Building, 150 Beavercreek Road, Oregon City, OR 97045.
Commercial Permits/Statement of Use form
All commercial permits (including new uses, change of occupancy and tenant improvements) must include a completed Statement of Use form. The Engineering Division will review before the permit is issued so that any applicable TSDC rates can be determined. TSDC rates vary depending on the by structure; this form helps clarify the proposed development and prior use of the space.
You may submit your completed Statement of Use form to the Engineering Division:
- by email at dtdtranssdc@clackamas.us
- in person or by mail to the third floor permits lobby in the Development Services Building, 150 Beavercreek Road, Oregon City, OR 97045.
DTD - Transportation System Development Charge (TSDC) Rates
| Land Use Category | Units | TSDC per Unit1,2 |
|---|---|---|
| Housing | ||
| Apartment | Dwelling units | $3,237 |
| Assisted Living | Beds | $1,315 |
| Mobile Home in Park | Spaces | $2,429 |
| Residential Condo/Townhouse | Dwelling units | $2,828 |
| Senior | Dwelling units | $1,487 |
| Small Accessory Dwelling Unit (200-449 square feet) | Dwelling units | $1,414 |
| Large Accessory Dwelling Unit (450-900 square feet) | Dwelling units | $2,829 |
| Small Detached Single-Family Home (dwelling units 1,699 square feet or less) | Dwelling units | $4,053 |
| Medium Detached Single-Family Home (dwelling units 1,700-3,000 square feet) | Dwelling units | $4,622 |
| Large Detached Single-Family Home (dwelling units more than 3,000 square feet) | Dwelling units | $4,886 |
| Temporary Dwelling for Care (charged on initial placement) | Dwelling units | $500 |
| Recreation | ||
| Bowling Alley | Bowling lanes | $6,247 |
| Campground/RV Park | Sites | $1,118 |
| Casino/Video Lottery Establishment | 1,000 gross square feet | $55,561 |
| Club, Health/Fitness | 1,000 gross square feet | $14,604 |
| Club, Racquet/Tennis | Courts | $18,836 |
| Community Center | 1,000 gross square feet | $16,461 |
| Golf Course | Holes | $17,395 |
| Golf Driving Range | Tee/drive positions | $5,171 |
| Marina | Berths | $1,441 |
| Movie Theater | Movie screens | $56,430 |
| Park | Acres | $1,015 |
| Soccer Complex | Fields | $34,718 |
| Commercial/Industrial | ||
| Automobile Care Center | 1,000 gross square feet | $7,463 |
| Automobile Parts Sales | 1,000 gross square feet | $17,175 |
| Automobile Sales | 1,000 gross square feet | $10,376 |
| Bank | 1,000 gross square feet | $28,122 |
| Building & Hardware | 1,000 gross square feet | $14,952 |
| Church | 1,000 gross square feet | $4,434 |
| Coffee/Donut Shop | 1,000 gross square feet | $43,825 |
| Convenience Market | 1,000 gross square feet | $113,262 |
| Day Care | Students | $939 |
| Discount (free-standing) | 1,000 gross square feet | $11,380 |
| Education | Students | $736 |
| Factory Outlet Center | 1,000 gross square feet | $8,542 |
| Fast Food | 1,000 gross square feet | $65,196 |
| Furniture | 1,000 gross square feet | $1,158 |
| Hospital | Beds | $6,298 |
| Hotel / Motel | Rooms | $3,977 |
| Industrial / Manufacturing / Warehouse | 1,000 gross square feet | $2,051 |
| Library | 1,000 gross square feet | $27,373 |
| Medical / Dental | 1,000 gross square feet | $17,585 |
| Military Base | Employees | $866 |
| Nursery | 1,000 gross square feet | $21,876 |
| Office | 1,000 gross square feet | $5,080 |
| Other Shopping/Retail | 1,000 gross square feet of leasable area | $11,297 |
| Parking / Transit | Parking spaces | $2,191 |
| Pharmacy | 1,000 gross square feet | $16,194 |
| Post Office | 1,000 gross square feet | $43,706 |
| Quick Lubrication Vehicle Shop | Service positions | $12,454 |
| Restaurant, Other | 1,000 gross square feet | $15,940 |
| Service Station | Fueling positions | $13,194 |
| State Motor Vehicles Department | 1,000 gross square feet | $80,805 |
| Supermarket | 1,000 gross square feet | $12,938 |
| Tires | 1,000 gross square feet | $7,925 |
1 Based on average weekday trips
2 Includes compliance cost
DTD - Transportation System Development Charge (TSDC) Fees
| Fee Description | Fee Amount |
|---|---|
| Transportation SDC - installment payment application | $528 |
| Transportation SDC - appeal fee | $1,110 Deposit plus actual costs |
| Transportation SDC - Annual CPI Adjustment | Annual adjustment change in Engineering NEWs Record (ENR) Northwest (Seattle, Washington) Construction Cost Index from January to January |
| Refund | $158 |
| Credit Voucher/Private Party Transfer(s) | $73 |
| Alternate Trip Generation/Staff Review | $104 |
| Development agreement | $264 Deposit plus actual costs |
DTD - Administration
| Fee Description | Fee Amount |
|---|---|
| Research/Consultation fee | $126 / hour - 1 hour minimum |
| Returned check fee | $26 |
Other Fees
Parks System Development Charges (PSDC)
Parks System Development Charges are one-time fees charged to new development or significant redevelopment to help pay a portion of the increased cost to meet parks and recreation needs created by such growth. PSDC fees are set by the North Clackamas Parks & Recreation District (NCPRD) based on the specific impact a development inside NCPRD boundaries is expected to have on the District's population and employment.
