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Single Family ResidentialResidential
$87,107$44 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

15817 ALVA ST

DOW, IL 62022
0
Baths
1,976 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.68 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.

Valuation

$87K
$81K low$93K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,235 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,460
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,775
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$15,705

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
69
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyJERSEY
Lot (acres)The size of the land the home sits on, from county records.0.68
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Jersey Community Middle SchoolB
Middle · Grades 5–7 · 6.8 mi
E
Jerseyville West Elementary School
Elementary · Grades PK–1 · 7.1 mi
H
Jersey Community High SchoolB-
High · Grades 8–12 · 7.9 mi

District: Jersey Community Unit School District 100

Neighborhood · ZIP 62022These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.153
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.94

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.5%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.1,556
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.78 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,847
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,035
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

15817 Alva 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 87% of homes in Jersey County
  • Costs less per square foot than 98% of homes in Jersey County
  • Bigger than 84% of homes in Jersey County
  • Has a smaller lot than 75% of homes in Dow 62022
  • Newer than 85% of homes in Jersey County

What homes are worth in Dow 62022

Each bar is how many homes fall in that price range. The marker is this home.

This home
$42K$576K

This home is worth more than 15% of homes in Dow 62022.

How it measures up in Dow 62022

The dot is this home. The mark in the middle is the typical home in Dow 62022.

Estimated value$87,107
CheaperTypical $191,054Pricier

Pricier than 15% of homes nearby

Price per ft²$44
CheaperTypical $130Pricier

Pricier than 5% of homes nearby

Living area1,976 ft²
SmallerTypical 1,460 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.68 ac
SmallerTypical 2 acBigger

Bigger than 25% of homes nearby

Year built2003
OlderTypical 1979Newer

Newer than 84% of homes nearby

How 15817 Alva St ranks against every home in each area.
MeasureThis homeDow 62022Jersey County
Estimated valuepricier than$87,10715% of homes13% of homes
Price per ft²pricier than$445% of homes2% of homes
Living areabigger than1,976 ft²81% of homes84% of homes
Lot sizebigger than0.68 ac25% of homes56% of homes
Year builtnewer than200384% of homes85% of homes

About 15817 Alva St

How much is 15817 Alva St, Dow, IL worth?

The TopHap Estimate for 15817 Alva St, Dow, IL is $87,107 as of Sep 24, 2026. The likely range is $81,295 to $92,919. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15817 Alva St, Dow, IL last sell?

15817 Alva St, Dow, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 15817 Alva St, Dow, IL?

15817 Alva St, Dow, IL has 1,976 square feet of living space and a 0.68-acre lot.

When was 15817 Alva St, Dow, IL built?

15817 Alva St, Dow, IL was built in 2003, making it 23 years old. It is a mobile home home.

What schools serve 15817 Alva St, Dow, IL?

15817 Alva St, Dow, IL is assigned to Jersey Community Middle School (middle), rated B; Jerseyville West Elementary School (elementary); Jersey Community High School (high), rated B-. All sit in Jersey Community Unit School District 100. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15817 Alva St, Dow, IL compare to other homes in Dow 62022?

Among the 501 homes in Dow 62022, it is worth more than 15% of them ($87,107 against a typical $191,054), its price per square foot is higher than 5% of them ($44 against a typical $130), it is bigger than 81% of them (1,976 ft² against a typical 1,460 ft²), its lot is bigger than 25% of them (0.68 ac against a typical 2 ac) and it is newer than 84% of them (2003 against a typical 1979). Measured against all of Jersey County, it is worth more than 13% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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