728 21ST ST
Valuation
Tax & Assessment
Property Facts
Foreclosure Filings(1)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Rock Island School District 41
Neighborhood · ZIP 61201These 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.
Ownership
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
728 21st 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 more than 90% of homes in Broadway
- Costs less per square foot than 89% of homes in Rock Island County
- Bigger than 96% of homes in Rock Island County
- Has a bigger lot than 97% of homes in Broadway
- Older than 88% of homes in Rock Island County
What homes are worth in Rock Island 61201
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 81% of homes in Rock Island 61201.
How it measures up in Rock Island 61201
The dot is this home. The mark in the middle is the typical home in Rock Island 61201.
Pricier than 81% of homes nearby
Pricier than 26% of homes nearby
Bigger than 95% of homes nearby
Bigger than 87% of homes nearby
Newer than 20% of homes nearby
| Measure | This home | Broadway | Rock Island 61201 | Rock Island County |
|---|---|---|---|---|
| Estimated valuepricier than | $169,900 | 90% of homes | 81% of homes | 60% of homes |
| Price per ft²pricier than | $65 | 72% of homes | 26% of homes | 11% of homes |
| Living areabigger than | 2,618 ft² | 81% of homes | 95% of homes | 96% of homes |
| Lot sizebigger than | 0.38 ac | 97% of homes | 87% of homes | 72% of homes |
| Year builtnewer than | 1910 | 83% of homes | 20% of homes | 12% of homes |
About 728 21st St
How much is 728 21st St, Rock Island, IL worth?
The TopHap Estimate for 728 21st St, Rock Island, IL is $169,900 as of Jul 14, 2026. The likely range is $138,488 to $201,312. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 728 21st St, Rock Island, IL last sell?
728 21st St, Rock Island, IL last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 728 21st St, Rock Island, IL?
728 21st St, Rock Island, IL has 2,618 square feet of living space and a 0.38-acre lot.
When was 728 21st St, Rock Island, IL built?
728 21st St, Rock Island, IL was built in 1910, making it 116 years old. The building has 2 stories.
What schools serve 728 21st St, Rock Island, IL?
728 21st St, Rock Island, IL is assigned to Rock Island Academy (elementary), rated D; Washington Jr High School (middle), rated C; Rock Island High School (high), rated D-. All sit in Rock Island School District 41. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 728 21st St, Rock Island, IL compare to other homes in Rock Island 61201?
Among the 13,020 homes in Rock Island 61201, it is worth more than 81% of them ($169,900 against a typical $119,214), its price per square foot is higher than 26% of them ($65 against a typical $96), it is bigger than 95% of them (2,618 ft² against a typical 1,256 ft²), its lot is bigger than 87% of them (0.38 ac against a typical 0.16 ac) and it is newer than 20% of them (1910 against a typical 1941). Measured against all of Rock Island County, it is worth more than 60% 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 728 21st St, Rock Island, IL?
The 2025 property tax bill for 728 21st St, Rock Island, IL was $6,503. The county assessed it at $75,126.
Closest homes
- 720 21st St$103K94 ft · 2,434 ft² · Sold $100K · Jun 2025
- 800 21st St$106K134 ft · 1,436 ft² · Sold Jan 1900
- 714 21st St$81K156 ft · 2,352 ft² · Sold Jan 1900
- 804 21st St$63K166 ft · 1,820 ft² · Sold Jan 1900
- 808 21st St$61K198 ft · 1,218 ft² · Sold Jan 1900
- 735 20th St$346K160 ft · 10,761 ft² · Sold Jan 1900
- 727 20th St$175K163 ft · 3,785 ft² · Sold $165K · Oct 2024
- 708 21st St$106K214 ft · 2,316 ft² · Sold $100K · Oct 2024
More homes in Rock Island 61201
- 2525 29th St$132K1 ba · 930 ft² · Sold $131K · May 2026
- 812 37th Ave$31K1 ba · 600 ft² · Sold $31K · May 2026
- 2830 8th Ave$75K1,562 ft² · Sold $20K · May 2026
- 3800 14th St$353K4 ba · 2,811 ft² · Sold $350K · May 2026
- 1839 7th St$100K1 ba · 923 ft² · Sold $100K · May 2026
- 1313 14 1/2 St$86K1,792 ft² · Sold $85K · May 2026
- 2812 6th Ave$70K1,339 ft² · Sold $65K · May 2026
- 14 Blackhawk Hills Ct$152K1.5 ba · 1,239 ft² · Sold $150K · May 2026
- 8903 Highland Dr$412K2,250 ft² · Sold $410K · May 2026
- 2501 26th Avenue Ct$65K1 ba · 922 ft² · Sold $64K · May 2026
- 1612 35th St$121K1,396 ft² · Sold $68K · May 2026
- 801 41st St$85K2,102 ft² · Sold $85K · May 2026
Assigned schools
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