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Single Family ResidenceResidential
$452,196$178 / 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 90How 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 $360,000 on Jun 9, 2021

340 MASON AVE

MONROE, OH 45050
4
Beds
4 / 1
Baths
2,536 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$452K
$406K low$498K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$360,000 · Jun 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$65 (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.$1,420 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,420
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,060

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.Colonial
CountyButler
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.Gas
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 300 ft²Porch · 120 ft²

Transaction History(4)

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
Monroe Primary School
Elementary · Grades PK–1 · 0.3 mi
M
Monroe Jr. High SchoolB
Middle · Grades 7–8 · 0.9 mi
H
Monroe Sr. High SchoolB+
High · Grades 9–12 · 0.9 mi

District: Monroe Local School District

Neighborhood · ZIP 45050These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.214
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.10,068
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,031 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,357
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,540
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

340 Mason 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 more than 79% of homes in Monroe 45050
  • Costs less per square foot than 70% of homes in Monroe 45050
  • Bigger than 83% of homes in Monroe 45050
  • Newer than 93% of homes in Butler County

What homes are worth in Monroe 45050

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

This home
$186K$591K

This home is worth more than 79% of homes in Monroe 45050.

How it measures up in Monroe 45050

The dot is this home. The mark in the middle is the typical home in Monroe 45050.

Estimated value$452,196
CheaperTypical $366,047Pricier

Pricier than 79% of homes nearby

Price per ft²$178
CheaperTypical $199Pricier

Pricier than 30% of homes nearby

Living area2,536 ft²
SmallerTypical 1,815 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.32 ac
SmallerTypical 0.28 acBigger

Bigger than 64% of homes nearby

Year built2011
OlderTypical 2002Newer

Newer than 82% of homes nearby

How 340 Mason Ave ranks against every home in each area.
MeasureThis homeMonroe 45050Butler County
Estimated valuepricier than$452,19679% of homes78% of homes
Price per ft²pricier than$17830% of homes48% of homes
Living areabigger than2,536 ft²83% of homes83% of homes
Lot sizebigger than0.32 ac64% of homes50% of homes
Year builtnewer than201182% of homes93% of homes

About 340 Mason Ave

How much is 340 Mason Ave, Monroe, OH worth?

The TopHap Estimate for 340 Mason Ave, Monroe, OH is $452,196 as of Sep 24, 2026. The likely range is $406,311 to $498,081. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Mason Ave, Monroe, OH last sell?

340 Mason Ave, Monroe, OH last sold on Jun 9, 2021 for $360,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 340 Mason Ave, Monroe, OH?

340 Mason Ave, Monroe, OH has 4 bedrooms, 4 bathrooms, 2,536 square feet of living space and a 0.33-acre lot.

When was 340 Mason Ave, Monroe, OH built?

340 Mason Ave, Monroe, OH was built in 2011, making it 15 years old. It is a colonial home. The building has 2 stories.

What schools serve 340 Mason Ave, Monroe, OH?

340 Mason Ave, Monroe, OH is assigned to Monroe Primary School (elementary); Monroe Jr. High School (middle), rated B; Monroe Sr. High School (high), rated B+. All sit in Monroe Local School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Mason Ave, Monroe, OH compare to other homes in Monroe 45050?

Among the 3,992 homes in Monroe 45050, it is worth more than 79% of them ($452,196 against a typical $366,047), its price per square foot is higher than 30% of them ($178 against a typical $199), it is bigger than 83% of them (2,536 ft² against a typical 1,815 ft²), its lot is bigger than 64% of them (0.32 ac against a typical 0.28 ac) and it is newer than 82% of them (2011 against a typical 2002). Measured against all of Butler County, it is worth more than 78% 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 340 Mason Ave, Monroe, OH?

The 2025 property tax bill for 340 Mason Ave, Monroe, OH was $65. The county assessed it at $1,420.

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Assigned schools

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