646 FIRST ST
Valuation
Tax & Assessment
Property Facts
Transaction History(4)
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: Hartford Union High School District
Neighborhood · ZIP 53027These 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
646 First 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 79% of homes in Hartford 53027
- Smaller than 74% of homes in Hartford 53027
- Has a smaller lot than 86% of homes in Washington County
- Older than 88% of homes in Washington County
What homes are worth in Hartford 53027
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 21% of homes in Hartford 53027.
How it measures up in Hartford 53027
The dot is this home. The mark in the middle is the typical home in Hartford 53027.
Pricier than 21% of homes nearby
Pricier than 54% of homes nearby
Bigger than 26% of homes nearby
Bigger than 21% of homes nearby
Newer than 18% of homes nearby
| Measure | This home | Hartford 53027 | Washington County |
|---|---|---|---|
| Estimated valuepricier than | $311,909 | 21% of homes | 24% of homes |
| Price per ft²pricier than | $228 | 54% of homes | 52% of homes |
| Living areabigger than | 1,368 ft² | 26% of homes | 29% of homes |
| Lot sizebigger than | 0.22 ac | 21% of homes | 14% of homes |
| Year builtnewer than | 1946 | 18% of homes | 12% of homes |
About 646 First St
How much is 646 First St, Hartford, WI worth?
The TopHap Estimate for 646 First St, Hartford, WI is $311,909 as of Sep 24, 2026. The likely range is $290,518 to $333,300. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 646 First St, Hartford, WI last sell?
646 First St, Hartford, WI last sold on Jun 19, 2018 for $197,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.
How big is 646 First St, Hartford, WI?
646 First St, Hartford, WI has 3 bedrooms, 2 bathrooms, 1,368 square feet of living space and a 0.22-acre lot.
When was 646 First St, Hartford, WI built?
646 First St, Hartford, WI was built in 1946, making it 80 years old. It is a ranch home. The building has 1 story.
What schools serve 646 First St, Hartford, WI?
646 First St, Hartford, WI is assigned to Rossman Elementary School (elementary), rated A; Hartford High School (high), rated C+; Central Middle School (middle), rated C-. All sit in Hartford Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 646 First St, Hartford, WI compare to other homes in Hartford 53027?
Among the 8,610 homes in Hartford 53027, it is worth more than 21% of them ($311,909 against a typical $415,914), its price per square foot is higher than 54% of them ($228 against a typical $222), it is bigger than 26% of them (1,368 ft² against a typical 1,698 ft²), its lot is bigger than 21% of them (0.22 ac against a typical 0.33 ac) and it is newer than 18% of them (1946 against a typical 1997). Measured against all of Washington County, it is worth more than 24% 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 646 First St, Hartford, WI?
The 2025 property tax bill for 646 First St, Hartford, WI was $2,572. The county assessed it at $214,400.
More homes on First St
- 654 First St$280K2 bd · 1 ba · 1,208 ft² · Sold $290K · Apr 2026
- 504 First St$255K3 bd · 1 ba · 1,242 ft² · Sold $250K · Nov 2025
- 516 First St4 bd · 2 ba · 1,876 ft² · Sold $114K · Oct 2025
- 421 First St$318K4 bd · 1.5 ba · 1,824 ft² · Sold $310K · Sep 2025
- 231 First St4 bd · 2 ba · 1,851 ft² · Sold Mar 2025
- 510 First St$277K3 bd · 2 ba · 1,590 ft² · Sold $189K · Nov 2024
- 657 First St$285K3 bd · 1 ba · 1,122 ft² · Sold $246K · May 2023
- 625 First St$301K4 bd · 1 ba · 1,569 ft² · Sold $235K · Nov 2022
- 6154 First St$554K1.09 ac · Sold $485K · Aug 2022
- 223 First St$208K4 bd · 1 ba · 1,230 ft² · Sold $156K · Jul 2022
- 651 First St$261K3 bd · 1 ba · 1,156 ft² · Sold $205K · Jun 2022
- 448 First St3 bd · 2 ba · 1,568 ft² · Sold $115K · Mar 2022
Closest homes
- 654 First St$280K85 ft · 2 bd · 1 ba · 1,208 ft² · Sold $290K · Apr 2026
- 628 First St$366K111 ft · 4 bd · 2 ba · 2,019 ft² · Sold $220K · Sep 2018
- 649 Second St$210K100 ft · 3 bd · 1 ba · 880 ft² · Sold $188K · Sep 2026
- 637 Second St$298K110 ft · 3 bd · 2 ba · 1,403 ft²
- 655 Second St$291K131 ft · 3 bd · 1 ba · 1,417 ft² · Sold $126K · Nov 2014
- 631 Second St$316K140 ft · 3 bd · 2 ba · 1,332 ft² · Sold $205K · Jul 2016
- 625 Second St$289K200 ft · 4 bd · 2.5 ba · 1,762 ft² · Sold $235K · May 2023
- 645 First St$271K161 ft · 3 bd · 2 ba · 1,246 ft² · Sold $145K · Mar 2014
More homes in Hartford 53027
- 3041 Kettle Moraine Rd$700K2.01 ac · Sold $700K · Sep 2026
- 5250 Fawn Trl$689K3.4 ac · Sold $700K · Sep 2026
- 4112 Mueller Dr$520K0.69 ac · Sold $520K · Sep 2026
- 202 Grand Ave$320K3 bd · 2 ba · 1,518 ft² · Sold $290K · Sep 2026
- 1032 Juniper Ln$499K4 bd · 4 ba · 2,416 ft² · Sold $499K · Sep 2026
- 1543 Briarwood Ln6 bd · 3 ba · 2,380 ft² · Sold $470K · Sep 2026
- 1220 Stillwater Ln$350K2 bd · 2 ba · 1,350 ft² · Sold $335K · Sep 2026
- 805 Ridge View Dr$419K3 bd · 2 ba · 1,706 ft² · Sold Sep 2026
- 975 E Loos St$362K3 bd · 2 ba · 1,540 ft² · Sold Sep 2026
- 322 Grand Ave$355K4 bd · 1 ba · 1,846 ft² · Sold $373K · Sep 2026
- 2914 S Gate Dr$510K3 bd · 3 ba · 2,034 ft² · Sold $447K · Sep 2026
- 355 W State St$271K3 bd · 1.5 ba · 1,768 ft² · Sold $120K · Sep 2026
Assigned schools
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