57751 Property Tax Rate

Property owners in ZIP code 57751 (Keystone, South Dakota) pay a median of $3,524/year in property taxes on homes valued at $388,300. This translates to an effective tax rate of 0.91%, which is 18% below the South Dakota state average of 1.10%.

The monthly property tax burden for a median-valued home in 57751 is approximately $294, which factors into escrow payments on mortgages. This ZIP code is located within Pennington County. This is $1,763 more than the South Dakota average of $1,761/year.

Compared to similar ZIP codes in South Dakota, 57751 has higher property taxes. ZIP codes with similar effective rates include 57660 (0.91%) and 57266 (0.91%).

In Keystone, property taxes represent approximately 3.5% of the median household income of $100,714, 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 Pennington County Assessor's office manages exemptions for disabled homeowners and veterans; contact them to determine your eligibility and file your application. Lodge a protest with the Pennington County Assessor within 30 days of receiving your assessment if you believe the value is incorrect.