829 40TH ST
Valuation
Tax & Assessment
Property Facts
Transaction History(6)
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: 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
829 40th 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.
- Among the least valuable homes in Keystone
- Costs less per square foot than 92% of homes in Rock Island County
- Smaller than 94% of homes in Keystone
- Has a smaller lot than 95% of homes in Rock Island County
- Newer than 98% of homes in Keystone
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 7% 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 7% of homes nearby
Pricier than 21% of homes nearby
Bigger than 9% of homes nearby
Bigger than 9% of homes nearby
Newer than 82% of homes nearby
| Measure | This home | Keystone | Rock Island 61201 | Rock Island County |
|---|---|---|---|---|
| Estimated valuepricier than | $44,252 | almost no homes | 7% of homes | 2% of homes |
| Price per ft²pricier than | $57 | 28% of homes | 21% of homes | 8% of homes |
| Living areabigger than | 780 ft² | 6% of homes | 9% of homes | 7% of homes |
| Lot sizebigger than | 0.11 ac | 9% of homes | 9% of homes | 5% of homes |
| Year builtnewer than | 1962 | 98% of homes | 82% of homes | 64% of homes |
About 829 40th St
How much is 829 40th St, Rock Island, IL worth?
The TopHap Estimate for 829 40th St, Rock Island, IL is $44,252 as of Jul 14, 2026. The likely range is $33,602 to $54,902. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 829 40th St, Rock Island, IL last sell?
829 40th St, Rock Island, IL last sold on Mar 14, 2025 for $42,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.
How big is 829 40th St, Rock Island, IL?
829 40th St, Rock Island, IL has 780 square feet of living space and a 0.11-acre lot.
When was 829 40th St, Rock Island, IL built?
829 40th St, Rock Island, IL was built in 1962, making it 64 years old. The building has 1 story.
What schools serve 829 40th St, Rock Island, IL?
829 40th St, Rock Island, IL is assigned to Longfellow Elementary School (elementary), rated C-; 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 829 40th 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 7% of them ($44,252 against a typical $118,914), its price per square foot is higher than 21% of them ($57 against a typical $96), it is bigger than 9% of them (780 ft² against a typical 1,250 ft²), its lot is bigger than 9% of them (0.11 ac against a typical 0.16 ac) and it is newer than 82% of them (1962 against a typical 1940). Measured against all of Rock Island County, it is worth more than 2% 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 829 40th St, Rock Island, IL?
The 2025 property tax bill for 829 40th St, Rock Island, IL was $2,822. The county assessed it at $27,826.
More homes on 40th St
- 1820 40th St$91K1 ba · 1,140 ft² · Sold $119K · May 2026
- 2409 40th St$219K1.5 ba · 1,138 ft² · Sold $217K · Apr 2026
- 1411 40th St$66K924 ft² · Sold $65K · Mar 2026
- 2030 40th St$156K1 ba · 1,584 ft² · Sold $155K · Mar 2026
- 1517 40th St$165K1,180 ft² · Sold $162K · Jan 2026
- 1446 40th St$117K1,440 ft² · Sold $115K · Jan 2026
- 2426 40th St$253K2 ba · 1,667 ft² · Sold $245K · Oct 2025
- 639 40th St$30K1,582 ft² · Sold $28K · Oct 2025
- 2036 40th St$144K1 ba · 1,542 ft² · Sold $142K · Jul 2025
- 1433 40th St$145K1,218 ft² · Sold $139K · May 2025
- 1516 40th St$86K1,040 ft² · Sold $82K · Apr 2025
- 1549 40th St$145K879 ft² · Sold $138K · Mar 2025
Closest homes
- 833 40th St$83K40 ft · 768 ft² · Sold Jan 1900
- 837 40th St$83K80 ft · 768 ft² · Sold Jan 1900
- 4008 8th Ave106 ft · 0.29 ac · Sold Jan 1900
- 4008 8th Ave$75K108 ft · 2,164 ft² · Sold Jan 1900
- 841 40th St$90K130 ft · 768 ft² · Sold Jan 1900
- 812 41st St$93K105 ft · 768 ft² · Sold Jan 1900
- 818 41st St$98K113 ft · 936 ft² · Sold Jan 1900
- 824 41st St$101K133 ft · 960 ft² · Sold Jan 1900
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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