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  1. Sustainable building
  2. Transfer of development rights (TDR)
  3. TDR Exchange

Welcome to the TDR Exchange!

TDRs Wanted

If your development project meets receiving site criteria, you can use TDRs to increase the number of lots or units of your project. If you are a registered user, you can see more detailed listings, contact sellers directly, or add a TDRs wanted posting.

Register Now

Units neededTDRs NeededDesired price/ Rural TDRDesired price/ Urban TDRDate posted
1.001.00 rural TDRs   8/12/2024
1.001.00 rural TDRs Negotiable 7/9/2024
1.001.00 rural TDRs negotiable 1/3/2023
1.001.00 rural TDRs Negotiable 2/17/2021
1.001.00 rural TDRs negotiable 10/23/2020

Each Rural TDR generally allows 2 additional units in urban receiving areas.
Each Urban TDR generally allows 1 additional unit in urban receiving areas.

NOTE: You may wish to consider the most recent available market transactions data prior to posting here

IMPORTANT: Information presented here is not legally binding, and King County does not confirm its accuracy or validity.
For questions about the TDR Program, please contact Nicholas Bratton, TDR Program Manager, or Anne-Gigi Chan, Land Conservation Project Manager, King County WLRD Rural and Regional Services Section.