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Single Family ResidenceResidential
$1,760,300$543 / 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 94How 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 $880,000 on Aug 10, 2006

521 ROCK CREEK DR

ANN ARBOR, MI 48104
4.5
Baths
3,241 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.
0.67 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.8M
$1.7M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$880,000 · Aug 10, 2006
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.$932,300
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$745,840
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.52%
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.$693,000
CITIBANK NA · recorded Oct 2, 2018
2nd 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.$135,000
LASALLE BANK MIDWEST NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,708 (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.$1,170,100 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$973,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,340,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWASHTENAW
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2005
Lot (acres)The size of the land the home sits on, from county records.0.67
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

H
Huron High SchoolA-
High · Grades 9–12 · 0.7 mi
E
Angell Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
M
Tappan Middle SchoolA-
Middle · Grades 6–8 · 0.9 mi

District: Ann Arbor Public Schools

Neighborhood · ZIP 48104These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.33%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.43,655
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,357 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,358
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,172
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

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

521 Rock Creek 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.

  • Among the most valuable homes in Washtenaw County
  • Costs more per square foot than 98% of homes in Washtenaw County
  • Bigger than 94% of homes in Washtenaw County
  • Has a bigger lot than 95% of homes in Ann Arbor 48104
  • Older than 81% of homes in Washtenaw County

What homes are worth in Ann Arbor 48104

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

This home
$187K$1.8M

This home is worth more than 98% of homes in Ann Arbor 48104.

How it measures up in Ann Arbor 48104

The dot is this home. The mark in the middle is the typical home in Ann Arbor 48104.

Estimated value$1,760,300
CheaperTypical $617,168Pricier

Pricier than 98% of homes nearby

Price per ft²$543
CheaperTypical $379Pricier

Pricier than 90% of homes nearby

Living area3,241 ft²
SmallerTypical 1,638 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.67 ac
SmallerTypical 0.17 acBigger

Bigger than 95% of homes nearby

Year built1950
OlderTypical 1951Newer

Newer than 49% of homes nearby

How 521 Rock Creek Dr ranks against every home in each area.
MeasureThis homeAngellAnn Arbor 48104Washtenaw County
Estimated valuepricier than$1,760,30094% of homes98% of homesalmost all homes
Price per ft²pricier than$54383% of homes90% of homes98% of homes
Living areabigger than3,241 ft²79% of homes93% of homes94% of homes
Lot sizebigger than0.67 ac82% of homes95% of homes71% of homes
Year builtnewer than195035% of homes49% of homes19% of homes

About 521 Rock Creek Dr

How much is 521 Rock Creek Dr, Ann Arbor, MI worth?

The TopHap Estimate for 521 Rock Creek Dr, Ann Arbor, MI is $1,760,300 as of Jul 14, 2026. The likely range is $1,653,534 to $1,867,066. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Rock Creek Dr, Ann Arbor, MI last sell?

521 Rock Creek Dr, Ann Arbor, MI last sold on Aug 10, 2006 for $880,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 521 Rock Creek Dr, Ann Arbor, MI?

521 Rock Creek Dr, Ann Arbor, MI has 4.5 bathrooms, 3,241 square feet of living space and a 0.67-acre lot.

When was 521 Rock Creek Dr, Ann Arbor, MI built?

521 Rock Creek Dr, Ann Arbor, MI was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 521 Rock Creek Dr, Ann Arbor, MI?

521 Rock Creek Dr, Ann Arbor, MI is assigned to Huron High School (high), rated A-; Angell Elementary School (elementary), rated A+; Tappan Middle School (middle), rated A-. All sit in Ann Arbor Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Rock Creek Dr, Ann Arbor, MI compare to other homes in Ann Arbor 48104?

Among the 8,951 homes in Ann Arbor 48104, it is worth more than 98% of them ($1,760,300 against a typical $617,168), its price per square foot is higher than 90% of them ($543 against a typical $379), it is bigger than 93% of them (3,241 ft² against a typical 1,638 ft²), its lot is bigger than 95% of them (0.67 ac against a typical 0.17 ac) and it is newer than 49% of them (1950 against a typical 1951). Measured against all of Washtenaw County, it is worth more than almost all 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 521 Rock Creek Dr, Ann Arbor, MI?

The 2025 property tax bill for 521 Rock Creek Dr, Ann Arbor, MI was $27,708. The county assessed it at $1,170,100.

Closest homes

More homes in Ann Arbor 48104

Assigned schools

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