Adopted edition
IRC 2018
City has its own adoption — separate from county.
IN · City
Merrillville, IN.
Merrillville, IN — building code: IRC 2018.
Design wind speed
90 mph
ASCE 7 Risk Cat II, 3-second gust at 33 ft.
Climate zone (IECC)
5A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Special zones
- HVHZ
- WBDR
- WUI
- FEMA SFHA possible
Permit office
Merrillville Building Department
ZIP coverage
2 ZIP codes inside Merrillville.
Each ZIP resolves to the correct city + county + state on every parcel lookup. Multi-jurisdiction parcels pick up amendments from each layer.
46410 46411
Working in Merrillville?
Pull an address-level code packet for any parcel in Merrillville. SkyCanvass resolves the address, looks up the Merrillville-specific amendments and the Lake County county and Indiana state floor, then emits a cited packet ready for permit submittal.
See the Lake County county overview, or the Indiana state directory .
Pull a Merrillville code packet.
Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.