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Single Family ResidenceResidential
$491,433$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 86How 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

18 MAMOPA CT

BORING, MD 21020
2
Baths
1,912 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.
1.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$491K
$421K low$562K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,621 (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.$397,067 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$388,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$414,800

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.Conventional
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.1.51
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 872 ft²

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

M
Franklin Middle SchoolC-
Middle · Grades 6–8 · 5.3 mi
E
Franklin Elementary SchoolB
Elementary · Grades EE–5 · 5.5 mi
H
Franklin High SchoolC+
High · Grades 9–12 · 6.3 mi

District: Baltimore County Public Schools

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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

18 Mamopa Ct 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 75% of homes in Baltimore County
  • Costs more per square foot than 66% of homes in Baltimore County
  • Bigger than 71% of homes in Baltimore County
  • Has a bigger lot than 92% of homes in Baltimore County

What homes are worth in Baltimore County

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

This home
$297K$773K

This home is worth more than 64% of homes in Baltimore County.

How it measures up in Baltimore County

The dot is this home. The mark in the middle is the typical home in Baltimore County.

Estimated value$491,433
CheaperTypical $355,484Pricier

Pricier than 75% of homes nearby

Price per ft²$257
CheaperTypical $231Pricier

Pricier than 66% of homes nearby

Living area1,912 ft²
SmallerTypical 1,471 ft²Bigger

Bigger than 71% of homes nearby

Lot size1.51 ac
SmallerTypical 0.17 acBigger

Bigger than 92% of homes nearby

Year built1978
OlderTypical 1965Newer

Newer than 62% of homes nearby

How 18 Mamopa Ct ranks against every home in each area.
MeasureThis homeBaltimore County
Estimated valuepricier than$491,43375% of homes
Price per ft²pricier than$25766% of homes
Living areabigger than1,912 ft²71% of homes
Lot sizebigger than1.51 ac92% of homes
Year builtnewer than197862% of homes

About 18 Mamopa Ct

How much is 18 Mamopa Ct, Boring, MD worth?

The TopHap Estimate for 18 Mamopa Ct, Boring, MD is $491,433 as of Aug 30, 2026. The likely range is $420,513 to $562,353. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Mamopa Ct, Boring, MD last sell?

18 Mamopa Ct, Boring, MD last sold on Nov 29, 1979, according to the county's recorded deed.

How big is 18 Mamopa Ct, Boring, MD?

18 Mamopa Ct, Boring, MD has 2 bathrooms, 1,912 square feet of living space and a 1.51-acre lot.

When was 18 Mamopa Ct, Boring, MD built?

18 Mamopa Ct, Boring, MD was built in 1978, making it 48 years old. It is a conventional home. The building has 1 story.

What schools serve 18 Mamopa Ct, Boring, MD?

18 Mamopa Ct, Boring, MD is assigned to Franklin Middle School (middle), rated C-; Franklin Elementary School (elementary), rated B; Franklin High School (high), rated C+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Mamopa Ct, Boring, MD compare to other homes in Baltimore County?

Among the 259,368 homes in Baltimore County, it is worth more than 75% of them ($491,433 against a typical $355,484), its price per square foot is higher than 66% of them ($257 against a typical $231), it is bigger than 71% of them (1,912 ft² against a typical 1,471 ft²), its lot is bigger than 92% of them (1.51 ac against a typical 0.17 ac) and it is newer than 62% of them (1978 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Mamopa Ct, Boring, MD?

The 2025 property tax bill for 18 Mamopa Ct, Boring, MD was $4,621. The county assessed it at $397,067.

Closest homes

More homes in Boring 21020

Assigned schools

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