423 UNION ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Neenah School District
Neighborhood · ZIP 54956These 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
423 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 97% of homes in Neenah 54956
- Costs less per square foot than 90% of homes in Neenah 54956
- Smaller than 78% of homes in Neenah 54956
- Has a smaller lot than 75% of homes in Neenah 54956
- Older than 92% of homes in Neenah 54956
What homes are worth in Neenah 54956
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 3% of homes in Neenah 54956.
How it measures up in Neenah 54956
The dot is this home. The mark in the middle is the typical home in Neenah 54956.
Pricier than 3% of homes nearby
Pricier than 10% of homes nearby
Bigger than 22% of homes nearby
Bigger than 25% of homes nearby
Newer than 8% of homes nearby
| Measure | This home | Neenah 54956 | Winnebago County |
|---|---|---|---|
| Estimated valuepricier than | $164,856 | 3% of homes | 7% of homes |
| Price per ft²pricier than | $149 | 10% of homes | 21% of homes |
| Living areabigger than | 1,104 ft² | 22% of homes | 23% of homes |
| Lot sizebigger than | 0.2 ac | 25% of homes | 36% of homes |
| Year builtnewer than | 1910 | 8% of homes | 11% of homes |
About 423 Union St
How much is 423 Union St, Neenah, WI worth?
The TopHap Estimate for 423 Union St, Neenah, WI is $164,856 as of Sep 24, 2026. The likely range is $156,396 to $173,316. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 423 Union St, Neenah, WI last sell?
423 Union St, Neenah, WI last sold on May 1, 2001 for $68,500, according to the county's recorded deed.
How big is 423 Union St, Neenah, WI?
423 Union St, Neenah, WI has 3 bedrooms, 1 bathrooms, 1,104 square feet of living space and a 0.20-acre lot.
When was 423 Union St, Neenah, WI built?
423 Union St, Neenah, WI was built in 1910, making it 116 years old. It is a traditional/old home. The building has 2 stories.
What schools serve 423 Union St, Neenah, WI?
423 Union St, Neenah, WI is assigned to Taft Elementary School (elementary), rated C+; Neenah Middle School (middle), rated B; Neenah High School (high), rated A+. All sit in Neenah School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 423 Union St, Neenah, WI compare to other homes in Neenah 54956?
Among the 14,801 homes in Neenah 54956, it is worth more than 3% of them ($164,856 against a typical $335,231), its price per square foot is higher than 10% of them ($149 against a typical $208), it is bigger than 22% of them (1,104 ft² against a typical 1,470 ft²), its lot is bigger than 25% of them (0.2 ac against a typical 0.28 ac) and it is newer than 8% of them (1910 against a typical 1965). Measured against all of Winnebago County, it is worth more than 7% 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 423 Union St, Neenah, WI?
The 2025 property tax bill for 423 Union St, Neenah, WI was $1,850. The county assessed it at $117,000.
More homes on Union St
- 323 Union St$181K3 bd · 1 ba · 1,263 ft² · Sold Jun 2026
- 411 Union St$212K2 bd · 1 ba · 1,008 ft² · Sold $210K · May 2026
- 415 Union St4 bd · 2 ba · 1,568 ft² · Sold $190K · Jul 2025
- 311 Union St$179K3 bd · 2 ba · 1,110 ft² · Sold $170K · May 2025
- 311 Union St$204K3 bd · 2 ba · 1,110 ft² · Sold $170K · May 2025
- 319 Union St # A3 bd · 2 ba · 1,568 ft² · Sold $150K · Oct 2023
- 129 Union St$177K3 bd · 2 ba · 1,226 ft² · Sold $93K · Oct 2023
- 315 Union St$255K4 bd · 2 ba · 2,356 ft² · Sold $152K · Sep 2020
- 305 Union St$207K2 bd · 1 ba · 880 ft² · Sold $75K · May 2020
- 419 Union St$178K2 bd · 1 ba · 1,240 ft² · Sold $104K · Mar 2019
- 203 Union St$203K3 bd · 1 ba · 1,452 ft² · Sold May 2018
- 117 Union St$152K2 bd · 1 ba · 572 ft² · Sold $74K · Dec 2006
Closest homes
- 419 Union St$178K57 ft · 2 bd · 1 ba · 1,240 ft² · Sold $104K · Mar 2019
- 415 Union St114 ft · 4 bd · 2 ba · 1,568 ft² · Sold $190K · Jul 2025
- 511 Monroe St$194K104 ft · 3 bd · 1 ba · 1,290 ft² · Sold $54K · Mar 2003
- 502 Monroe St$286K150 ft · 3 bd · 2 ba · 1,311 ft² · Sold $147K · Mar 2019
- 411 Union St$212K171 ft · 2 bd · 1 ba · 1,008 ft² · Sold $210K · May 2026
- 679 Mount Vernon St$169K163 ft · 2 bd · 1 ba · 1,036 ft² · Sold $29K · Jan 2014
- 414 Harrison St$220K190 ft · 3 bd · 2 ba · 1,456 ft² · Sold $65K · Dec 2010
- 659 Mount Vernon St$146K181 ft · 2 bd · 1 ba · 732 ft² · Sold $76K · Oct 2017
More homes in Neenah 54956
- W7415 Ridgetop Dr$900K1.11 ac · Sold $875K · Sep 2026
- 1049 Gillingham Rd$275K3 bd · 1 ba · 1,379 ft² · Sold $285K · Sep 2026
- 1332 Mulberry Ln$310K3 bd · 2 ba · 1,712 ft² · Sold $350K · Sep 2026
- Marlo Ave0.67 ac · Sold $10K · Sep 2026
- 1244 Ava Ct$615K0.55 ac · Sold $616K · Sep 2026
- 1626 Valor Pl$445K0.2 ac · Sold $445K · Sep 2026
- 3546 Dekalb Ln$750K1.71 ac · Sold $741K · Sep 2026
- 135 Ashbrooke Pl$593K4 bd · 2.5 ba · 2,383 ft² · Sold $586K · Sep 2026
- 129 Richard Ave$217K3 bd · 1 ba · 1,208 ft² · Sold $269K · Sep 2026
- 321 Sherry St$164K3 bd · 1 ba · 1,471 ft² · Sold $141K · Sep 2026
- 122 Poplar Ct$515K0.46 ac · Sold $515K · Sep 2026
- 505 S Western Ave$245K3 bd · 1.5 ba · 972 ft² · Sold $240K · Sep 2026
Assigned schools
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