HF 3256 Summary

• Establishes new chapter 462E authorizing local governments to impose impact fees on new development for capital improvements including transportation, water/sewer, schools, parks, public safety, and stormwater, subject to comprehensive plan requirements and advisory committee review

• Permits municipalities to collect street improvement fees over 20-year periods based on vehicular trips from developed parcels, with exemptions for public charities and unimproved parcels, effective July 1, 2022

• Requires two-family properties (duplexes and accessory dwelling units) to be permitted in all single-family residential zones and prohibits municipalities from mandating specific building materials, minimum square footage, or more than one garage stall for single-family dwellings

• Limits municipal park dedication requirements to 10 percent of fair market value and requires reasonable determination of land acquisition need; restricts street dedications to minimum engineering standards with 32-foot curb-to-curb width limits

• Establishes 60-day approval or deemed approval timeline for building permits and zoning requests; requires metropolitan density of 8 units per acre minimum in certain areas; mandates energy cost disclosure for residential property sales; increases municipal fee reporting threshold to $7,000