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Single Family ResidenceResidential
$740,778$271 / 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 90How 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 $625,000 on Apr 19, 2017

4221 RIVERBIRCH RUN

ZIONSVILLE, IN 46077
4
Beds
3.5
Baths
2,738 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$741K
$666K low$816K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Apr 19, 2017
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.$286,203
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$228,962
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.57%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$454,575
JP MORGAN CHASE BANK · recorded Aug 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,622 (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.$857,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$657,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$832,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$857,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBOONE
Lot (acres)The size of the land the home sits on, from county records.0.90
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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

Transaction History(3)

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.

E
Union Elementary SchoolA-
Elementary · Grades PK–4 · 1.3 mi
H
Zionsville Community High SchoolA+
High · Grades 9–12 · 2.2 mi
M
Zionsville Middle SchoolA
Middle · Grades 5–8 · 2.7 mi

District: Zionsville Community Schools

Neighborhood · ZIP 46077These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.36,777
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.867 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,300
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$197,394
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

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

4221 Riverbirch Run 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 82% of homes in Boone County
  • Costs more per square foot than 84% of homes in Boone County
  • Bigger than 69% of homes in Boone County
  • Has a bigger lot than 81% of homes in Zionsville 46077

What homes are worth in Zionsville 46077

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

This home
$278K$2.2M

This home is worth more than 62% of homes in Zionsville 46077.

How it measures up in Zionsville 46077

The dot is this home. The mark in the middle is the typical home in Zionsville 46077.

Estimated value$740,778
CheaperTypical $658,669Pricier

Pricier than 62% of homes nearby

Price per ft²$271
CheaperTypical $231Pricier

Pricier than 73% of homes nearby

Living area2,738 ft²
SmallerTypical 2,902 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.9 ac
SmallerTypical 0.37 acBigger

Bigger than 81% of homes nearby

Year built1999
OlderTypical 2003Newer

Newer than 44% of homes nearby

How 4221 Riverbirch Run ranks against every home in each area.
MeasureThis homeZionsville 46077Boone County
Estimated valuepricier than$740,77862% of homes82% of homes
Price per ft²pricier than$27173% of homes84% of homes
Living areabigger than2,738 ft²43% of homes69% of homes
Lot sizebigger than0.9 ac81% of homes76% of homes
Year builtnewer than199944% of homes54% of homes

About 4221 Riverbirch Run

How much is 4221 Riverbirch Run, Zionsville, IN worth?

The TopHap Estimate for 4221 Riverbirch Run, Zionsville, IN is $740,778 as of Jul 14, 2026. The likely range is $665,560 to $815,996. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4221 Riverbirch Run, Zionsville, IN last sell?

4221 Riverbirch Run, Zionsville, IN last sold on Apr 19, 2017 for $625,000, according to the county's recorded deed.

How big is 4221 Riverbirch Run, Zionsville, IN?

4221 Riverbirch Run, Zionsville, IN has 4 bedrooms, 3.5 bathrooms, 2,738 square feet of living space and a 0.90-acre lot.

When was 4221 Riverbirch Run, Zionsville, IN built?

4221 Riverbirch Run, Zionsville, IN was built in 1999, making it 27 years old. The building has 1 story.

What schools serve 4221 Riverbirch Run, Zionsville, IN?

4221 Riverbirch Run, Zionsville, IN is assigned to Union Elementary School (elementary), rated A-; Zionsville Community High School (high), rated A+; Zionsville Middle School (middle), rated A. All sit in Zionsville Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4221 Riverbirch Run, Zionsville, IN compare to other homes in Zionsville 46077?

Among the 11,587 homes in Zionsville 46077, it is worth more than 62% of them ($740,778 against a typical $658,669), its price per square foot is higher than 73% of them ($271 against a typical $231), it is bigger than 43% of them (2,738 ft² against a typical 2,902 ft²), its lot is bigger than 81% of them (0.9 ac against a typical 0.37 ac) and it is newer than 44% of them (1999 against a typical 2003). Measured against all of Boone County, it is worth more than 82% 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 4221 Riverbirch Run, Zionsville, IN?

The 2025 property tax bill for 4221 Riverbirch Run, Zionsville, IN was $9,622. The county assessed it at $857,100.

More homes on Riverbirch Run

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Assigned schools

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See this home in context

Open 4221 Riverbirch Runon TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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