503 E LOOS ST
Valuation
Tax & Assessment
Property Facts
Transaction History(7)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Foreclosure Filings(2)
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
503 E Loos 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 86% of homes in Hartford 53027
- Smaller than 76% of homes in Hartford 53027
- Has a smaller lot than 97% of homes in Washington County
- Older than 96% 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 14% 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 14% of homes nearby
Pricier than 41% of homes nearby
Bigger than 24% of homes nearby
Bigger than 4% of homes nearby
Newer than 9% of homes nearby
| Measure | This home | Hartford 53027 | Washington County |
|---|---|---|---|
| Estimated valuepricier than | $281,202 | 14% of homes | 18% of homes |
| Price per ft²pricier than | $209 | 41% of homes | 44% of homes |
| Living areabigger than | 1,344 ft² | 24% of homes | 27% of homes |
| Lot sizebigger than | 0.13 ac | 4% of homes | 3% of homes |
| Year builtnewer than | 1905 | 9% of homes | 4% of homes |
About 503 E Loos St
How much is 503 E Loos St, Hartford, WI worth?
The TopHap Estimate for 503 E Loos St, Hartford, WI is $281,202 as of Aug 30, 2026. The likely range is $258,764 to $303,640. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 503 E Loos St, Hartford, WI last sell?
503 E Loos St, Hartford, WI last sold on Jun 14, 2022 for $76,600, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.
How big is 503 E Loos St, Hartford, WI?
503 E Loos St, Hartford, WI has 4 bedrooms, 2 bathrooms, 1,344 square feet of living space and a 0.13-acre lot.
When was 503 E Loos St, Hartford, WI built?
503 E Loos St, Hartford, WI was built in 1905, making it 121 years old. The building has 2 stories.
What schools serve 503 E Loos St, Hartford, WI?
503 E Loos St, Hartford, WI is assigned to Lincoln 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 503 E Loos St, Hartford, WI compare to other homes in Hartford 53027?
Among the 8,592 homes in Hartford 53027, it is worth more than 14% of them ($281,202 against a typical $409,921), its price per square foot is higher than 41% of them ($209 against a typical $219), it is bigger than 24% of them (1,344 ft² against a typical 1,704 ft²), its lot is bigger than 4% of them (0.13 ac against a typical 0.32 ac) and it is newer than 9% of them (1905 against a typical 1997). Measured against all of Washington County, it is worth more than 18% 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 503 E Loos St, Hartford, WI?
The 2025 property tax bill for 503 E Loos St, Hartford, WI was $2,506. The county assessed it at $209,400.
More homes on E Loos St
- 981 E Loos St$357K2 bd · 2 ba · 1,291 ft² · Sold $358K · Jul 2026
- 955 E Loos St$417K4 bd · 4 ba · 3,176 ft² · Sold $420K · Mar 2026
- 883 E Loos St # 1$244K2 bd · 2 ba · 1,318 ft² · Sold $247K · Sep 2025
- 883 E Loos St # 3$246K2 bd · 2 ba · 1,308 ft² · Sold $250K · Aug 2025
- 431 E Loos St$249K3 bd · 1 ba · 1,078 ft² · Sold Aug 2025
- 833 E Loos St # 4$216K2 bd · 2 ba · 1,401 ft² · Sold $220K · Jul 2025
- 50 E Loos St$349K4 bd · 2 ba · 2,290 ft² · Sold $335K · Jun 2025
- 430 E Loos St$265K3 bd · 1 ba · 1,259 ft² · Sold $253K · Apr 2025
- 507 E Loos St$314K3 bd · 1 ba · 1,296 ft² · Sold $300K · Apr 2025
- 967 E Loos St$282K2 bd · 2 ba · 1,540 ft² · Sold $290K · Oct 2024
- 524 E Loos St$252K4 bd · 1 ba · 1,248 ft² · Sold $235K · Sep 2024
- 937 E Loos St$347K2 bd · 2 ba · 1,925 ft² · Sold $352K · Aug 2024
Closest homes
- 441 E Loos St$248K40 ft · 3 bd · 1 ba · 960 ft² · Sold $60K · May 2017
- 507 E Loos St$314K40 ft · 3 bd · 1 ba · 1,296 ft² · Sold $300K · Apr 2025
- 513 E Loos St$250K80 ft · 4 bd · 2 ba · 1,184 ft²
- 435 E Loos St$281K80 ft · 4 bd · 2 ba · 1,722 ft²
- 440 Maple Ave$251K159 ft · 4 bd · 2 ba · 1,728 ft²
- 431 E Loos St$249K120 ft · 3 bd · 1 ba · 1,078 ft² · Sold Aug 2025
- 519 E Loos St$235K120 ft · 2 bd · 1 ba · 816 ft²
- 506 Maple Ave$337K162 ft · 3 bd · 1 ba · 1,747 ft²
More homes in Hartford 53027
- N5407 County Road U$463K1 ac · Sold $460K · Aug 2026
- 1524 E Monroe Ave$407K3 bd · 2.5 ba · 2,210 ft² · Sold $405K · Aug 2026
- 826 N Main St$291K3 bd · 1 ba · 1,120 ft² · Sold $290K · Aug 2026
- 438 Pleasant Ave$274K2 bd · 1 ba · 960 ft² · Sold $175K · Aug 2026
- 3458 Lake Dr$732K0.59 ac · Sold Aug 2026
- 2947 S Gate Dr$484K3 bd · 2 ba · 1,792 ft² · Sold $482K · Aug 2026
- 2172 Meghan Ln$754K3.92 ac · Sold Aug 2026
- 1183 Saint Kilian Pkwy$382K3 bd · 1.5 ba · 1,288 ft² · Sold Aug 2026
- 183 Jefferson Ave4 bd · 3 ba · 2,268 ft² · Sold Aug 2026
- 62 E Prospect Ct$452K4 bd · 1.5 ba · 2,164 ft² · Sold $450K · Aug 2026
- 230 Hilldale Dr$289K2 bd · 2 ba · 1,435 ft² · Sold $289K · Aug 2026
- 230 Hilldale Dr$273KCondominium · Sold Aug 2026
Assigned schools
Explore the area
See this home in context
Open 503 E Loos St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map