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Single Family ResidenceResidential
$107,040$104 / 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 Oct 21, 2026
Last sold for $65,000 on Jul 29, 2016

21840 BOULDER AVE

EASTPOINTE, MI 48021
1
Baths
1,033 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.
0.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
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

$107K
$100K low$114K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$65,000 · Jul 29, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,589 (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.$76,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$69,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$152,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMACOMB
Lot (acres)The size of the land the home sits on, from county records.0.42
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.Raised (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.

H
East Detroit High SchoolF
High · Grades 9–12 · 0.5 mi
E
Crescentwood Elementary School
Elementary · Grades KG–2 · 0.9 mi
M
Kelly Middle SchoolF
Middle · Grades 6–8 · 1.8 mi

District: East Detroit Public Schools

Neighborhood · ZIP 48021These 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.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.34,806
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,741 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,902
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,719
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

Owner Tools

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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

21840 Boulder Ave 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 less than 95% of homes in Macomb County
  • Costs less per square foot than 95% of homes in Macomb County
  • Smaller than 82% of homes in Macomb County
  • Among the largest lots in Eastpointe 48021
  • Older than 98% of homes in Macomb County

What homes are worth in Eastpointe 48021

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

This home
$78K$218K

This home is worth more than 23% of homes in Eastpointe 48021.

How it measures up in Eastpointe 48021

The dot is this home. The mark in the middle is the typical home in Eastpointe 48021.

Estimated value$107,040
CheaperTypical $126,287Pricier

Pricier than 23% of homes nearby

Price per ft²$104
CheaperTypical $110Pricier

Pricier than 39% of homes nearby

Living area1,033 ft²
SmallerTypical 1,122 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.42 ac
SmallerTypical 0.13 acBigger

Bigger than almost all homes nearby

Year built1927
OlderTypical 1953Newer

Newer than 5% of homes nearby

How 21840 Boulder Ave ranks against every home in each area.
MeasureThis homeEastpointe 48021Macomb County
Estimated valuepricier than$107,04023% of homes5% of homes
Price per ft²pricier than$10439% of homes5% of homes
Living areabigger than1,033 ft²31% of homes18% of homes
Lot sizebigger than0.42 acalmost all homes84% of homes
Year builtnewer than19275% of homes2% of homes

About 21840 Boulder Ave

How much is 21840 Boulder Ave, Eastpointe, MI worth?

The TopHap Estimate for 21840 Boulder Ave, Eastpointe, MI is $107,040 as of Oct 21, 2026. The likely range is $100,287 to $113,793. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21840 Boulder Ave, Eastpointe, MI last sell?

21840 Boulder Ave, Eastpointe, MI last sold on Jul 29, 2016 for $65,000, according to the county's recorded deed.

How big is 21840 Boulder Ave, Eastpointe, MI?

21840 Boulder Ave, Eastpointe, MI has 1 bathrooms, 1,033 square feet of living space and a 0.42-acre lot.

When was 21840 Boulder Ave, Eastpointe, MI built?

21840 Boulder Ave, Eastpointe, MI was built in 1927, making it 99 years old. It is a ranch home. The building has 1 story.

What schools serve 21840 Boulder Ave, Eastpointe, MI?

21840 Boulder Ave, Eastpointe, MI is assigned to East Detroit High School (high), rated F; Crescentwood Elementary School (elementary); Kelly Middle School (middle), rated F. All sit in East Detroit Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21840 Boulder Ave, Eastpointe, MI compare to other homes in Eastpointe 48021?

Among the 12,686 homes in Eastpointe 48021, it is worth more than 23% of them ($107,040 against a typical $126,287), its price per square foot is higher than 39% of them ($104 against a typical $110), it is bigger than 31% of them (1,033 ft² against a typical 1,122 ft²), its lot is bigger than almost all of them (0.42 ac against a typical 0.13 ac) and it is newer than 5% of them (1927 against a typical 1953). Measured against all of Macomb County, it is worth more than 5% 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 21840 Boulder Ave, Eastpointe, MI?

The 2025 property tax bill for 21840 Boulder Ave, Eastpointe, MI was $2,589. The county assessed it at $76,300.

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