83420 Property Tax Rate

Property owners in ZIP code 83420 (Ashton, Idaho) pay a median of $1,376/year in property taxes on homes valued at $320,000. This translates to an effective tax rate of 0.43%, which is 14% below the Idaho state average of 0.50%.

The monthly property tax burden for a median-valued home in 83420 is approximately $115, which factors into escrow payments on mortgages. This ZIP code is located within Fremont County. This is $232 less than the Idaho average of $1,608/year.

Compared to similar ZIP codes in Idaho, 83420 has lower property taxes. ZIP codes with similar effective rates include 83655 (0.43%) and 83610 (0.43%).

In Ashton, property taxes represent approximately 2.0% of the median household income of $69,604, providing context for the relative tax burden on homeowners in this area.

Idaho reassesses property at market value upon sale, with no cap on the increase — expect your assessed value to reflect the purchase price when the deed is recorded. Fremont County provides a Homeowners' Exemption of up to $100,000 off assessed value for primary residences; file with the Fremont County Assessor within 90 days of purchase to claim this benefit. Reach out to the Fremont County Assessor immediately to obtain the exemption application form and verify the county-specific filing deadline.