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Single Family ResidenceResidential
$320,326$190 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $234,400 on May 5, 2021

4138 GRASMERE RUN

MASON, OH 45040
3
Beds
3 / 1
Baths
1,688 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$320K
$282K low$358K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$234,400 · May 5, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,215 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$101,441 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,441
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,324
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$289,830

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWarren
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 87 ft²

Transaction History(2)

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
Mason Early Childhood Center
Elementary · Grades PK–2 · 1.9 mi
H
Mason High SchoolA
High · Grades 9–12 · 2.5 mi
M
Mason Middle SchoolA-
Middle · Grades 7–8 · 2.9 mi

District: Mason City School District

Neighborhood · ZIP 45040These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.213
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.59,829
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,962 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,727
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,618
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

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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

4138 Grasmere 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 less than 81% of homes in Mason 45040
  • Costs less per square foot than 84% of homes in Mason 45040
  • Smaller than 68% of homes in Mason 45040
  • Has a smaller lot than 91% of homes in Warren County
  • Newer than 77% of homes in Mason 45040

What homes are worth in Mason 45040

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

This home
$200K$1.4M

This home is worth more than 19% of homes in Mason 45040.

How it measures up in Mason 45040

The dot is this home. The mark in the middle is the typical home in Mason 45040.

Estimated value$320,326
CheaperTypical $512,304Pricier

Pricier than 19% of homes nearby

Price per ft²$190
CheaperTypical $231Pricier

Pricier than 16% of homes nearby

Living area1,688 ft²
SmallerTypical 2,236 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.16 ac
SmallerTypical 0.34 acBigger

Bigger than 13% of homes nearby

Year built2003
OlderTypical 1998Newer

Newer than 77% of homes nearby

How 4138 Grasmere Run ranks against every home in each area.
MeasureThis homeMason 45040Warren County
Estimated valuepricier than$320,32619% of homes30% of homes
Price per ft²pricier than$19016% of homes33% of homes
Living areabigger than1,688 ft²32% of homes39% of homes
Lot sizebigger than0.16 ac13% of homes9% of homes
Year builtnewer than200377% of homes71% of homes

About 4138 Grasmere Run

How much is 4138 Grasmere Run, Mason, OH worth?

The TopHap Estimate for 4138 Grasmere Run, Mason, OH is $320,326 as of Sep 24, 2026. The likely range is $282,379 to $358,273. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4138 Grasmere Run, Mason, OH last sell?

4138 Grasmere Run, Mason, OH last sold on May 5, 2021 for $234,400, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4138 Grasmere Run, Mason, OH?

4138 Grasmere Run, Mason, OH has 3 bedrooms, 3 bathrooms, 1,688 square feet of living space and a 0.16-acre lot.

When was 4138 Grasmere Run, Mason, OH built?

4138 Grasmere Run, Mason, OH was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 4138 Grasmere Run, Mason, OH?

4138 Grasmere Run, Mason, OH is assigned to Mason Early Childhood Center (elementary); Mason High School (high), rated A; Mason Middle School (middle), rated A-. All sit in Mason City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4138 Grasmere Run, Mason, OH compare to other homes in Mason 45040?

Among the 19,204 homes in Mason 45040, it is worth more than 19% of them ($320,326 against a typical $512,304), its price per square foot is higher than 16% of them ($190 against a typical $231), it is bigger than 32% of them (1,688 ft² against a typical 2,236 ft²), its lot is bigger than 13% of them (0.16 ac against a typical 0.34 ac) and it is newer than 77% of them (2003 against a typical 1998). Measured against all of Warren County, it is worth more than 30% 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 4138 Grasmere Run, Mason, OH?

The 2024 property tax bill for 4138 Grasmere Run, Mason, OH was $4,215. The county assessed it at $101,441.

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