57730 Property Tax Rate

Property owners in ZIP code 57730 (Custer, South Dakota) pay a median of $2,739/year in property taxes on homes valued at $324,300. This translates to an effective tax rate of 0.84%, which is 23% below the South Dakota state average of 1.10%.

The monthly property tax burden for a median-valued home in 57730 is approximately $228, which factors into escrow payments on mortgages. This ZIP code is located within Custer County. This is $978 more than the South Dakota average of $1,761/year.

Compared to similar ZIP codes in South Dakota, 57730 has higher property taxes. ZIP codes with similar effective rates include 57279 (0.84%) and 57050 (0.84%).

In Custer, property taxes represent approximately 3.3% of the median household income of $81,911, providing context for the relative tax burden on homeowners in this area.

South Dakota does not cap property tax increases or reassess at sale — your assessment can rise annually based on county revaluation cycles, typically every four years. The Custer County Assessor administers exemptions for disabled homeowners and veterans; contact the office to verify your eligibility and submit your application. Lodge a protest with the Custer County Assessor within 30 days of receiving your assessment notice if the valuation does not match comparable sales.