Impact Fee Calculator
Calculate total development impact fees across transportation, water, sewer, parks, and schools.
Inputs
$/unit
$/unit
$/unit
$/unit
$/unit
$/unit
Results
Total Impact Fees
$750,000
Total per Unit
$15,000
Transportation Total$225,000
Water Total$160,000
Sewer Total$140,000
Parks Total$75,000
School Total$110,000
Fire/EMS Total$40,000
Largest Percent30%
How to Use This Calculator
- Enter Total Units for the project — typically residential equivalent units.
- Input per-unit impact fees for each category: Transportation, Water, Sewer, Parks, School, and Fire/EMS.
- Check your local jurisdiction's fee schedule — fees vary dramatically by city and county.
- Review Total Impact Fees and Per Unit Total for use in your development pro forma.
- Include impact fees in land acquisition underwriting — they are paid at building permit and affect project feasibility.
- Check Transportation and School fees, which are typically the largest components.
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