At a Glance
| Type | Village of Cottage Grove, Dane County(source) |
|---|---|
| Property tax rate | $17.66 per $1,000 of market value (2025 tax year)(County Treasurer) Madison: $18.10 |
| Electric | Alliant Energy(source) |
| Trash pickup | Contract: Pellitteri Waste Systems(source) |
| School districts | Monona Grove School District, Sun Prairie Area School District(source) |
| Median year built | 2003 (all housing units, American Community Survey 2020-2024 5-year estimates)(Census Bureau) Madison: 1980 |
Property Tax
For the 2025 tax year (bills payable 2026), property in Cottage Grove paid $17.66 per $1,000 of market value on average, after the state school levy credit.(County Treasurer) Madison's was $18.10.
The rate depends on your school district:
| School district | Parcels | Rate per $1,000 assessed | Per $1,000 market value |
|---|---|---|---|
| Monona Grove | 2,832 | 25.16 | 17.66 |
| Sun Prairie | 28 | 25.24 | 17.72 |
Assessment ratio: 0.7022, meaning assessments in Cottage Grove average 70.2% of market value.(source) That's why the rate on the bill isn't comparable between towns; our rate study adjusts for it.
- Due: first installment or full payment by January 31.(source)
- First installment or full payment to: Village of Cottage Grove (Village Hall, 221 E Cottage Grove Rd).(source)
- Tax payment page: Village of Cottage Grove(source)
- Lottery and gaming credit missing? If you were eligible on January 1 but the credit is not on your bill, apply to the Village Treasurer by January 31 using form LC-100 (at Village Hall or from DOR). Missed it? Apply to the Wisconsin DOR by October 1 of the following year.(source)
- Assessor: Associated Appraisal Consultants, Inc. (a private firm under contract to the village).(source) Look up a property's assessment: accessdane.danecounty.gov.(source)
More: tax rates by town · your tax bill, line by line · the lottery and gaming credit · appealing an assessment.
Utilities
| Service | Provider |
|---|---|
| Electric | Alliant Energy(source) |
| Natural gas | Alliant Energy(source) |
| Water | Cottage Grove Water & Sewer Utility(source) |
| Sewer | Village of Cottage Grove (treatment by MMSD)(source) |
More: utility costs by town · energy rebates.
Trash and Recycling
The village contracts curbside trash and recycling pickup to Pellitteri Waste Systems.(source) Schedules and rules: the village's trash and recycling page.(source)
More: landfill, Clean Sweep and disposal.
School Districts
Parts of Cottage Grove are in 2 school districts. Your address decides which one, and it also sets your tax rate.(source)
- Monona Grove School District
- Sun Prairie Area School District
More: school referendums · find your address's school district.
Permits and Local Code
- Building inspection: General Engineering Company (contract inspector)(source)
- Municipal code: Village of Cottage Grove code of ordinances(source)
More: ADU rules by town · fence, yard and neighbor rules.
Maps and Property Records
More: property lookup · Dane County maps · AccessDane, step by step.
How Old the Homes Are
The median housing unit in Cottage Grove was built in 2003 (margin of error 2 years), out of 3,585 units; 10.9% were built before 1980 and 62.8% in 2000 or later. These counts include apartments and condos.(Census Bureau)(decades)
Housing units by year built, American Community Survey 2020-2024 5-year estimates, table B25034. Survey estimates, each with a margin of error.
More: find out when your house was built · older homes.
Other Towns
Compare all 15 towns side by side, or open another town's facts:
- Madison
- DeForest
- Fitchburg
- Maple Bluff
- McFarland
- Middleton
- Monona
- Mount Horeb
- Oregon
- Shorewood Hills
- Stoughton
- Sun Prairie
- Verona
- Waunakee