488 UNION ST
Valuation
Tax & Assessment
Property Facts
Transaction History(3)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Green Lake School District
Neighborhood · ZIP 54941These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
488 Union St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Worth less than 71% of homes in Green Lake 54941
- Has a smaller lot than 72% of homes in Green Lake 54941
What homes are worth in Green Lake 54941
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 29% of homes in Green Lake 54941.
How it measures up in Green Lake 54941
The dot is this home. The mark in the middle is the typical home in Green Lake 54941.
Pricier than 29% of homes nearby
Bigger than 28% of homes nearby
| Measure | This home | Green Lake 54941 | Green Lake County |
|---|---|---|---|
| Estimated valuepricier than | $323,084 | 29% of homes | 61% of homes |
| Lot sizebigger than | 0.44 ac | 28% of homes | 40% of homes |
About 488 Union St
How much is 488 Union St, Green Lake, WI worth?
The TopHap Estimate for 488 Union St, Green Lake, WI is $323,084 as of Aug 30, 2026. The likely range is $300,300 to $345,868. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 488 Union St, Green Lake, WI last sell?
488 Union St, Green Lake, WI last sold on Nov 17, 2021 for $229,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
What schools serve 488 Union St, Green Lake, WI?
488 Union St, Green Lake, WI is assigned to Green Lake Elementary School (elementary), rated A-; Green Lake High School (middle), rated B. All sit in Green Lake School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 488 Union St, Green Lake, WI compare to other homes in Green Lake 54941?
Among the 1,784 homes in Green Lake 54941, it is worth more than 29% of them ($323,084 against a typical $451,857) and its lot is bigger than 28% of them (0.44 ac against a typical 0.69 ac). Measured against all of Green Lake County, it is worth more than 61% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 488 Union St, Green Lake, WI?
The 2025 property tax bill for 488 Union St, Green Lake, WI was $3,723. The county assessed it at $302,000.
More homes on Union St
- 405 Union St$289K0.23 ac · Sold $385K · Sep 2025
- 471 Union St$259K0.25 ac · Sold $190K · Apr 2025
- 401 Union St$315K0.23 ac · Sold $256K · Dec 2024
- 446 Union St$240K0.26 ac · Sold Nov 2024
- 430 Union St$310K0.27 ac · Sold $220K · Jun 2023
- 416 Union St$268K0.27 ac · Sold $200K · Aug 2022
- 456 Union St1.03 ac · Sold $21K · Apr 2022
- 412 Union St$297K0.27 ac · Sold $155K · Dec 2020
- 433 Union St$311K0.18 ac · Sold $108K · Jul 2018
- 390 Union St$289K0.27 ac · Sold $107K · Oct 2017
- 420 Union St$326K0.27 ac · Sold $125K · Oct 2017
- 398 Union St$323K0.27 ac · Sold $130K · Feb 2017
Closest homes
- 597 South St$289K132 ft · 0.36 ac · Sold Sep 2013
- 605 South St$230K153 ft · 0.91 ac · Sold $125K · Dec 2021
- 588 Ray St$161K158 ft · 0.19 ac · Sold $140K · Jun 2025
- 589 South St$248K190 ft · 0.31 ac
- 484 Union St$308K211 ft · 1.27 ac
- 473 Union St$251K257 ft · 0.25 ac · Sold $107K · May 2016
- 478 Union St$208K279 ft · 0.7 ac
- 584 Ray St$232K239 ft · 0.25 ac · Sold $117K · Jul 2018
More homes in Green Lake 54941
- 614 N Lawson Dr$443K0.8 ac · Sold $439K · Jul 2026
- 613 Mill St$352K0.32 ac · Sold $349K · Jul 2026
- 528 Lake St0.24 ac · Sold $110K · May 2026
- 1.07 ac · Sold $23K · May 2026
- 544 Hill St$276K0.36 ac · Sold $150K · May 2026
- N5689 Lakeview Dr$228K0.41 ac · Sold Apr 2026
- 604 Halbert St$270K0.29 ac · Sold $260K · Apr 2026
- 490 S Lawson Dr Unit C2$533KCondominium · Sold Apr 2026
- 490 S Lawson Dr # S11$412KCondominium · Sold Apr 2026
- 0.58 ac · Sold $40K · Apr 2026
- 870 Patricia Ct Unit 9$205KCondominium · Sold Apr 2026
- 422 Eaton St$310K0.27 ac · Sold $295K · Mar 2026
Assigned schools
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