Cottage Grove property tax: where it goes
A typical Cottage Grove house pays about $7,920 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.
A Cottage Grove house pays 2.516% of its taxable value in property tax. For a house at $315,000 of value before exemptions, that's about $7,924 a year.
Tax is levied on The 2025 net tax rate is 25.155045 per $1,000 of assessed value for the Village in the Monona Grove School District..
2026 rates are not published until the December 2026 tax bills. The Village revalued every property in 2026 (average home expected to rise from $315,000 to $504,000) and says the tax rate will fall proportionally; Tax Incremental District 5 also returns to the tax roll in 2026.
Pay or manage it
Who taxes this house
| Taxing agency | Rate | On $315,000 |
|---|---|---|
| Village of Cottage Grove | 0.7821% | $2,464 |
| Dane County | 0.3976% | $1,252 |
| Madison Area Technical College | 0.0854% | $269 |
| Monona Grove School District (after school credit) (schools) | 1.2505% | $3,939 |
| Total | 2.516% | $7,924 |
2025 tax year, Village of Cottage Grove in the Monona Grove School District.
Dates
| When | What |
|---|---|
| December 2026 (in 45 days) | Tax bills for 2026 are received in December 2026. |
| January 31 | The first installment of property taxes is due by January 31; interest and penalties of 1.5% per month accumulate from February 1. |
Sources
Checked October 31, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.
Property tax in other Wisconsin cities
Beaver Dam property taxBeloit property taxBerlin property taxBrookfield property taxBrown Deer property taxColumbus property taxCudahy property taxDe Pere property taxDelafield property taxDelavan property taxDodgeville property taxEast Troy property taxAll Wisconsin cities →