Welcome to the TRPA IPES System.
PRELIMINARY IPES SCORE ONLY
The IPES system has been in place to evaluate and determine allowable coverage for vacant properties since 1987. If you are inquiring about a vacant property, please enter your APN or property address below to find out your IPES score and percent allowable coverage. Please note that this website provides a preliminary score only; in order to get complete IPES information (including SEZ boundaries, base allowable coverage for parcels greater than 1/3 acre, access, building envelope, and development rights) or an official IPES score summary, please contact TRPA Current Planning Department at (775) 588-4547 x. 401.
Coverage Information- developed lots
Properties developed before 1987 do not have an IPES score, and are instead given a Bailey score through the site assessment/land capability verification process. If you would like to find out the Bailey Score and allowable coverage for a property, you can search TRPA’s database of permit records to see if a site assessment has been completed: https://aaweb.trpa.org/. Please note that both El Dorado and Placer Counties process site assessments, so please check with them directly for more information.
For all general coverage related inquiries, please contact TRPA Current Planning Department at (775) 588-4547 x. 401