Walworth County, WI property tax deadlines
7 coming property tax dates for Walworth County, Wisconsin. Each one links to its official source and shows the day LevyDay last checked it.
| Next dates | Bills due | Last day without penalty | Appeal by | Exemption filing |
|---|---|---|---|---|
| Walworth | Not on file | Jan 31, 2027 Sunrevenue.wi.govOct 21 | Set by noticerevenue.wi.govOct 21 | Not on file |
Deadlines in date order
| Date and source | Deadline |
|---|---|
| January 31 every yearrevenue.wi.govOct 21 | Other Claim an unlawful tax For things like exemption disputes. File with your town or city by January 31 of the year the tax is payable. |
| January 31 every yearrevenue.wi.govOct 21 | Last day without penalty Pay in full or pay the first installment If your first installment arrives more than five working days late, you lose the installment plan. The whole unpaid balance is then overdue as of February 1, with interest back to that date. Your town or city may set a different schedule, so check your bill. |
| July 31 every yearrevenue.wi.govOct 21 | Last day without penalty Pay the second installment If it arrives more than five working days late, the unpaid balance is overdue from the first of the next month, with interest back to February 1. Places with more installments set their own dates in between, and the last one is July 31. |
| July 31 every yearco.walworth.wi.usOct 21 | Last day without penalty Pay the second installment to the county The first installment or full payment goes to your town or city by January 31. The second goes to the Walworth County Treasurer. If either installment is late, the whole bill is overdue, with 1.5% a month in interest and penalty from February 1. |
| Varies, see rule see rulerevenue.wi.govOct 21 | Other Latest day bills go out The clerk has to send bills by the third Monday in December. |
| Varies, see rule set by noticerevenue.wi.govOct 21 | Other Board of Review meets Each town or city picks its dates within the 45 days starting the fourth Monday in April, at least seven days after open book. Check your local notice. |
| Varies, see rule set by noticerevenue.wi.govOct 21 | Appeal deadline Tell the board you plan to object Tell the Board of Review clerk, in writing or out loud, at least 48 hours before the board's first meeting. Then file the objection form (PA-115A) within the first two hours of that meeting. |
Appealing your assessed value
Appeal by the date on your noticerevenue.wi.govOct 21
If you think the county valued your home too high, you can appeal. Filing with the county is free and you can do it yourself.
Get help filing an appeal
After you send your details, we look for an independent appeal firm or attorney to take your case. We'll be in touch once one has agreed. Firms usually charge a share of what you save, and the one that takes it may pay LevyDay a referral fee.
LevyDay doesn't file appeals or give legal or tax advice. We only pass your details on. The independent firm or attorney that takes your case does the work and sets its own fee.
Get help filing an appealGood to know in Wisconsin
- Paying late: If you pay late, you owe interest on the unpaid part going back to February 1, at 1% per month. Some counties add a penalty of 1.5% per month. More revenue.wi.govOct 21
- Appealing your value: Open book is the time before the Board of Review meets when you can talk about your value with the assessor. It may save you a formal appeal. More revenue.wi.govOct 21
- Homestead exemption: The Lottery and Gaming Credit is shown on your tax bill as a reduction of the taxes due. To qualify you must be a Wisconsin resident who owns the home and uses it as your primary residence on January 1. More revenue.wi.govOct 21
- Second homes and rentals: You can claim only one primary residence. The credit isn't allowed on business property, rental units, vacant land, garages or other property that isn't your primary residence. More revenue.wi.govOct 21
Official offices
Places in Walworth County
Among them: Allens Grove, Big Foot Prairie, Bloomfield, Burlington, Como, Darien, Delavan, Delavan Lake, East Troy, Elkhorn, Fontana-on-Geneva Lake, Genoa City, Lake Geneva, Lake Ivanhoe, Lake Lorraine, Lauderdale Lakes, Lyons, Mukwonago, Potter Lake, Sharon, Springfield, Turtle Lake, Walworth, Whitewater, and 1 more. Every place in the county gets the dates above.
Nearby in the Wisconsin list
ShawanoSheboyganTaylorTrempealeauVernonVilasWashburnWashingtonWaukeshaWaupacaWausharaWinnebago