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Single Family ResidenceResidential
$155,387$113 / 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 95How 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

30171 DOLPHIN ST

ROSEVILLE, MI 48066
4
Beds
1.5
Baths
1,373 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$155K
$147K low$164K high
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.$155,387
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$124,310

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,116 (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.$88,700 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,400

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Bi-Level
CountyMACOMB
Lot (acres)The size of the land the home sits on, from county records.0.19
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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

E
Mark Twain Elementary SchoolB-
Elementary · Grades KG–6 · 0.4 mi
M
Richards Middle SchoolB-
Middle · Grades 7–8 · 2.0 mi
H
Fraser High SchoolA-
High · Grades 9–12 · 2.3 mi

District: Fraser Public Schools

Neighborhood · ZIP 48066These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.48,141
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,898 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,386
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,010
Average tempThe average temperature here across a full year.49°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%

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

30171 Dolphin 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 less than 83% of homes in Macomb County
  • Costs less per square foot than 91% of homes in Macomb County
  • Bigger than 85% of homes in Roseville 48066
  • Has a bigger lot than 76% of homes in Roseville 48066
  • Older than 69% of homes in Macomb County

What homes are worth in Roseville 48066

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

This home
$64K$254K

This home is worth more than 44% of homes in Roseville 48066.

How it measures up in Roseville 48066

The dot is this home. The mark in the middle is the typical home in Roseville 48066.

Estimated value$155,387
CheaperTypical $160,707Pricier

Pricier than 44% of homes nearby

Price per ft²$113
CheaperTypical $144Pricier

Pricier than 16% of homes nearby

Living area1,373 ft²
SmallerTypical 1,058 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.19 ac
SmallerTypical 0.14 acBigger

Bigger than 76% of homes nearby

Year built1960
OlderTypical 1954Newer

Newer than 68% of homes nearby

How 30171 Dolphin St ranks against every home in each area.
MeasureThis homeRoseville 48066Macomb County
Estimated valuepricier than$155,38744% of homes17% of homes
Price per ft²pricier than$11316% of homes9% of homes
Living areabigger than1,373 ft²85% of homes44% of homes
Lot sizebigger than0.19 ac76% of homes43% of homes
Year builtnewer than196068% of homes31% of homes

About 30171 Dolphin St

How much is 30171 Dolphin St, Roseville, MI worth?

The TopHap Estimate for 30171 Dolphin St, Roseville, MI is $155,387 as of Jul 14, 2026. The likely range is $147,162 to $163,612. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 30171 Dolphin St, Roseville, MI last sell?

30171 Dolphin St, Roseville, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 30171 Dolphin St, Roseville, MI?

30171 Dolphin St, Roseville, MI has 4 bedrooms, 1.5 bathrooms, 1,373 square feet of living space and a 0.19-acre lot.

When was 30171 Dolphin St, Roseville, MI built?

30171 Dolphin St, Roseville, MI was built in 1960, making it 66 years old. It is a bi-level home.

What schools serve 30171 Dolphin St, Roseville, MI?

30171 Dolphin St, Roseville, MI is assigned to Mark Twain Elementary School (elementary), rated B-; Richards Middle School (middle), rated B-; Fraser High School (high), rated A-. All sit in Fraser Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 30171 Dolphin St, Roseville, MI compare to other homes in Roseville 48066?

Among the 17,147 homes in Roseville 48066, it is worth more than 44% of them ($155,387 against a typical $160,707), its price per square foot is higher than 16% of them ($113 against a typical $144), it is bigger than 85% of them (1,373 ft² against a typical 1,058 ft²), its lot is bigger than 76% of them (0.19 ac against a typical 0.14 ac) and it is newer than 68% of them (1960 against a typical 1954). Measured against all of Macomb County, it is worth more than 17% 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 30171 Dolphin St, Roseville, MI?

The 2025 property tax bill for 30171 Dolphin St, Roseville, MI was $2,116. The county assessed it at $88,700.

Closest homes

More homes in Roseville 48066

Assigned schools

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