Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$260,097
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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $87,000 on Aug 20, 2015

4255 E FLAGG RD

ASHTON, IL 61006
0
Baths
2.89 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$260K
$232K low$289K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$87,000 · Aug 20, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,972 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$75,033 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,427
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,606
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,912
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$225,099

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.18
49
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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 Residence
CountyOGLE
Lot (acres)The size of the land the home sits on, from county records.2.89
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
Ashton-Franklin Center High SchoolB
Middle · Grades 7–12 · 4.8 mi
E
Ashton-Franklin Center Elementary SchoolB
Elementary · Grades PK–6 · 6.7 mi

District: Ashton Community Unit School District 275

Neighborhood · ZIP 61006These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.1,748
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.25 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,347
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

Owner Tools

Do you own this home?
Claim this home

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

4255 E Flagg Rd 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 72% of homes in Ashton 61006
  • Has a bigger lot than 85% of homes in Ogle County

What homes are worth in Ashton 61006

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

This home
$63K$775K

This home is worth more than 72% of homes in Ashton 61006.

How it measures up in Ashton 61006

The dot is this home. The mark in the middle is the typical home in Ashton 61006.

Estimated value$260,097
CheaperTypical $195,609Pricier

Pricier than 72% of homes nearby

Lot size2.89 ac
SmallerTypical 0.47 acBigger

Bigger than 72% of homes nearby

How 4255 E Flagg Rd ranks against every home in each area.
MeasureThis homeAshton 61006Ogle County
Estimated valuepricier than$260,09772% of homes65% of homes
Lot sizebigger than2.89 ac72% of homes85% of homes

About 4255 E Flagg Rd

How much is 4255 E Flagg Rd, Ashton, IL worth?

The TopHap Estimate for 4255 E Flagg Rd, Ashton, IL is $260,097 as of Aug 30, 2026. The likely range is $231,605 to $288,589. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4255 E Flagg Rd, Ashton, IL last sell?

4255 E Flagg Rd, Ashton, IL last sold on Aug 20, 2015 for $87,000, according to the county's recorded deed.

What schools serve 4255 E Flagg Rd, Ashton, IL?

4255 E Flagg Rd, Ashton, IL is assigned to Ashton-Franklin Center High School (middle), rated B; Ashton-Franklin Center Elementary School (elementary), rated B. All sit in Ashton Community Unit School District 275. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4255 E Flagg Rd, Ashton, IL compare to other homes in Ashton 61006?

Among the 663 homes in Ashton 61006, it is worth more than 72% of them ($260,097 against a typical $195,609) and its lot is bigger than 72% of them (2.89 ac against a typical 0.47 ac). Measured against all of Ogle County, it is worth more than 65% 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 4255 E Flagg Rd, Ashton, IL?

The 2025 property tax bill for 4255 E Flagg Rd, Ashton, IL was $4,972. The county assessed it at $75,033.

More homes on E Flagg Rd

Closest homes

More homes in Ashton 61006

Assigned schools

Explore the area

See this home in context

Open 4255 E Flagg Rd 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
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map