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Single Family ResidenceResidential
$234,307$257 / 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 Aug 30, 2026
Last sold for $110,000 on Sep 7, 1995

509 RIDDLE ST

HOWELL, MI 48843
3
Beds
1
Baths
912 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
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

$234K
$219K low$249K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$110,000 · Sep 7, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,498 (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.$140,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$141,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLIVINGSTON
Lot (acres)The size of the land the home sits on, from county records.0.51
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 48 ft²

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.

E
Northwest Elementary SchoolB-
Elementary · Grades KG–5 · 0.4 mi
H
Howell High SchoolB+
High · Grades 9–12 · 0.7 mi
M
Highlander Way Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi

District: Howell Public Schools

Neighborhood · ZIP 48843These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.48,284
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.523 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,199
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,590
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

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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

509 Riddle 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 90% of homes in Howell 48843
  • Costs more per square foot than 83% of homes in Howell 48843
  • Smaller than 97% of homes in Howell 48843
  • Older than 75% of homes in Howell 48843

What homes are worth in Howell 48843

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

This home
$130K$785K

This home is worth more than 10% of homes in Howell 48843.

How it measures up in Howell 48843

The dot is this home. The mark in the middle is the typical home in Howell 48843.

Estimated value$234,307
CheaperTypical $373,039Pricier

Pricier than 10% of homes nearby

Price per ft²$257
CheaperTypical $212Pricier

Pricier than 83% of homes nearby

Living area912 ft²
SmallerTypical 1,779 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.51 ac
SmallerTypical 0.48 acBigger

Bigger than 52% of homes nearby

Year built1974
OlderTypical 1997Newer

Newer than 25% of homes nearby

How 509 Riddle St ranks against every home in each area.
MeasureThis homeHowell 48843Livingston County
Estimated valuepricier than$234,30710% of homes12% of homes
Price per ft²pricier than$25783% of homes79% of homes
Living areabigger than912 ft²3% of homes4% of homes
Lot sizebigger than0.51 ac52% of homes41% of homes
Year builtnewer than197425% of homes28% of homes

About 509 Riddle St

How much is 509 Riddle St, Howell, MI worth?

The TopHap Estimate for 509 Riddle St, Howell, MI is $234,307 as of Aug 30, 2026. The likely range is $219,349 to $249,265. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Riddle St, Howell, MI last sell?

509 Riddle St, Howell, MI last sold on Sep 7, 1995 for $110,000, according to the county's recorded deed.

How big is 509 Riddle St, Howell, MI?

509 Riddle St, Howell, MI has 3 bedrooms, 1 bathrooms, 912 square feet of living space and a 0.51-acre lot.

When was 509 Riddle St, Howell, MI built?

509 Riddle St, Howell, MI was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 509 Riddle St, Howell, MI?

509 Riddle St, Howell, MI is assigned to Northwest Elementary School (elementary), rated B-; Howell High School (high), rated B+; Highlander Way Middle School (middle), rated B-. All sit in Howell Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Riddle St, Howell, MI compare to other homes in Howell 48843?

Among the 16,871 homes in Howell 48843, it is worth more than 10% of them ($234,307 against a typical $373,039), its price per square foot is higher than 83% of them ($257 against a typical $212), it is bigger than 3% of them (912 ft² against a typical 1,779 ft²), its lot is bigger than 52% of them (0.51 ac against a typical 0.48 ac) and it is newer than 25% of them (1974 against a typical 1997). Measured against all of Livingston County, it is worth more than 12% 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 509 Riddle St, Howell, MI?

The 2025 property tax bill for 509 Riddle St, Howell, MI was $2,498. The county assessed it at $140,200.

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