Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$395,469
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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $225,000 on Apr 11, 2018

4100 BLAIR DR

SPRINGFIELD, IL 62712
0
Baths
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$395K
$386K low$405K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Apr 11, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,682 (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.$101,216 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,084
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,132
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$94,401
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$303,648

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySANGAMON
Lot (acres)The size of the land the home sits on, from county records.0.21
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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(1)

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

E
Rochester Elementary Early Childhood-1 School
Elementary · Grades PK–1 · 1.6 mi
H
Rochester High SchoolB
High · Grades 9–12 · 1.9 mi
M
Rochester Jr High SchoolA-
Middle · Grades 7–8 · 2.0 mi

District: Rochester Community Unit School District 3a

Neighborhood · ZIP 62712These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.61

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.9,112
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.355 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,435
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,107
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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

4100 Blair Dr 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 88% of homes in Sangamon County
  • Has a smaller lot than 87% of homes in Springfield 62712

What homes are worth in Springfield 62712

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

This home
$137K$852K

This home is worth more than 69% of homes in Springfield 62712.

How it measures up in Springfield 62712

The dot is this home. The mark in the middle is the typical home in Springfield 62712.

Estimated value$395,469
CheaperTypical $326,156Pricier

Pricier than 69% of homes nearby

Lot size0.21 ac
SmallerTypical 0.33 acBigger

Bigger than 13% of homes nearby

How 4100 Blair Dr ranks against every home in each area.
MeasureThis homeSpringfield 62712Sangamon County
Estimated valuepricier than$395,46969% of homes88% of homes
Lot sizebigger than0.21 ac13% of homes44% of homes

About 4100 Blair Dr

How much is 4100 Blair Dr, Springfield, IL worth?

The TopHap Estimate for 4100 Blair Dr, Springfield, IL is $395,469 as of Jul 14, 2026. The likely range is $386,284 to $404,654. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4100 Blair Dr, Springfield, IL last sell?

4100 Blair Dr, Springfield, IL last sold on Apr 11, 2018 for $225,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 4100 Blair Dr, Springfield, IL?

4100 Blair Dr, Springfield, IL is assigned to Rochester Elementary Early Childhood-1 School (elementary); Rochester High School (high), rated B; Rochester Jr High School (middle), rated A-. All sit in Rochester Community Unit School District 3a. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4100 Blair Dr, Springfield, IL compare to other homes in Springfield 62712?

Among the 3,804 homes in Springfield 62712, it is worth more than 69% of them ($395,469 against a typical $326,156) and its lot is bigger than 13% of them (0.21 ac against a typical 0.33 ac). Measured against all of Sangamon County, it is worth more than 88% 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 4100 Blair Dr, Springfield, IL?

The 2025 property tax bill for 4100 Blair Dr, Springfield, IL was $6,682. The county assessed it at $101,216.

More homes on Blair Dr

Closest homes

More homes in Springfield 62712

Assigned schools

Explore the area

See this home in context

Open 4100 Blair Dr 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