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Single Family ResidentialResidential
$254,116$67 / 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 92How 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 $170,000 on Apr 11, 2008

121 DOUGLAS ST

ROCK CITY, IL 61070
3
Beds
2
Baths
3,776 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.
0.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$254K
$233K low$275K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$170,000 · Apr 11, 2008
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$254,116
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$203,293

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,523 (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.$75,335 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,130
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$67,205
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$64,893
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$226,005

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountySTEPHENSON
Lot (acres)The size of the land the home sits on, from county records.0.77
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
Dakota Jr Sr High SchoolB-
Middle · Grades 7–12 · 3.5 mi
E
Dakota Elementary SchoolC+
Elementary · Grades PK–6 · 3.6 mi

District: Dakota Community Unit School District 201

Neighborhood · ZIP 61070These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.1,209
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.36 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,921
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,940
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

121 Douglas 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 80% of homes in Stephenson County
  • Costs less per square foot than 77% of homes in Stephenson County
  • Bigger than 94% of homes in Stephenson County
  • Has a bigger lot than 76% of homes in Stephenson County
  • Newer than 76% of homes in Stephenson County

What homes are worth in Rock City 61070

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

This home
$87K$520K

This home is worth more than 77% of homes in Rock City 61070.

How it measures up in Rock City 61070

The dot is this home. The mark in the middle is the typical home in Rock City 61070.

Estimated value$254,116
CheaperTypical $176,847Pricier

Pricier than 77% of homes nearby

Price per ft²$67
CheaperTypical $70Pricier

Pricier than 43% of homes nearby

Living area3,776 ft²
SmallerTypical 2,682 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.77 ac
SmallerTypical 0.68 acBigger

Bigger than 52% of homes nearby

Year built1977
OlderTypical 1954Newer

Newer than 74% of homes nearby

How 121 Douglas St ranks against every home in each area.
MeasureThis homeRock City 61070Stephenson County
Estimated valuepricier than$254,11677% of homes80% of homes
Price per ft²pricier than$6743% of homes23% of homes
Living areabigger than3,776 ft²88% of homes94% of homes
Lot sizebigger than0.77 ac52% of homes76% of homes
Year builtnewer than197774% of homes76% of homes

About 121 Douglas St

How much is 121 Douglas St, Rock City, IL worth?

The TopHap Estimate for 121 Douglas St, Rock City, IL is $254,116 as of Jul 14, 2026. The likely range is $233,023 to $275,209. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Douglas St, Rock City, IL last sell?

121 Douglas St, Rock City, IL last sold on Apr 11, 2008 for $170,000, according to the county's recorded deed.

How big is 121 Douglas St, Rock City, IL?

121 Douglas St, Rock City, IL has 3 bedrooms, 2 bathrooms, 3,776 square feet of living space and a 0.77-acre lot.

When was 121 Douglas St, Rock City, IL built?

121 Douglas St, Rock City, IL was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 121 Douglas St, Rock City, IL?

121 Douglas St, Rock City, IL is assigned to Dakota Jr Sr High School (middle), rated B-; Dakota Elementary School (elementary), rated C+. All sit in Dakota Community Unit School District 201. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Douglas St, Rock City, IL compare to other homes in Rock City 61070?

Among the 345 homes in Rock City 61070, it is worth more than 77% of them ($254,116 against a typical $176,847), its price per square foot is higher than 43% of them ($67 against a typical $70), it is bigger than 88% of them (3,776 ft² against a typical 2,682 ft²), its lot is bigger than 52% of them (0.77 ac against a typical 0.68 ac) and it is newer than 74% of them (1977 against a typical 1954). Measured against all of Stephenson County, it is worth more than 80% 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 121 Douglas St, Rock City, IL?

The 2025 property tax bill for 121 Douglas St, Rock City, IL was $5,523. The county assessed it at $75,335.

Closest homes

More homes in Rock City 61070

Assigned schools

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