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TownhouseResidential
$419,696$253 / 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 Aug 30, 2026
Last sold for $376,600 on Jan 11, 2023

20 GLASSHOUSE GARTH

NOTTINGHAM, MD 21236
4 / 2
Baths
1,658 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.
1,960 ft²
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$420K
$398K low$441K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$376,600 · Jan 11, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,140 (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.$338,300 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$305,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$371,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.04
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.Deck · 252 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
Honeygo Elementary SchoolA+
Elementary · Grades PK–5 · 0.5 mi
H
Perry Hall High SchoolC
High · Grades 9–12 · 0.5 mi
M
Perry Hall Middle SchoolC
Middle · Grades 6–8 · 0.7 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21236These 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.80
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 100.46

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.38,730
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,678 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,410
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,335
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

20 Glasshouse Garth 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 78% of homes in Nottingham 21236
  • Costs more per square foot than 74% of homes in Nottingham 21236
  • Bigger than 71% of homes in Nottingham 21236
  • Has a smaller lot than 83% of homes in Baltimore County
  • Newer than 91% of homes in Nottingham 21236

What homes are worth in Nottingham 21236

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

This home
$191K$567K

This home is worth more than 78% of homes in Nottingham 21236.

How it measures up in Nottingham 21236

The dot is this home. The mark in the middle is the typical home in Nottingham 21236.

Estimated value$419,696
CheaperTypical $332,477Pricier

Pricier than 78% of homes nearby

Price per ft²$253
CheaperTypical $232Pricier

Pricier than 74% of homes nearby

Living area1,658 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 71% of homes nearby

Lot size1,960 ft²
SmallerTypical 0.15 acBigger

Bigger than 22% of homes nearby

Year built1994
OlderTypical 1980Newer

Newer than 91% of homes nearby

How 20 Glasshouse Garth ranks against every home in each area.
MeasureThis homeNottingham 21236Baltimore County
Estimated valuepricier than$419,69678% of homes64% of homes
Price per ft²pricier than$25374% of homes65% of homes
Living areabigger than1,658 ft²71% of homes60% of homes
Lot sizebigger than1,960 ft²22% of homes17% of homes
Year builtnewer than199491% of homes81% of homes

About 20 Glasshouse Garth

How much is 20 Glasshouse Garth, Nottingham, MD worth?

The TopHap Estimate for 20 Glasshouse Garth, Nottingham, MD is $419,696 as of Aug 30, 2026. The likely range is $398,069 to $441,323. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Glasshouse Garth, Nottingham, MD last sell?

20 Glasshouse Garth, Nottingham, MD last sold on Jan 11, 2023 for $376,600, according to the county's recorded deed.

How big is 20 Glasshouse Garth, Nottingham, MD?

20 Glasshouse Garth, Nottingham, MD has 4 bathrooms, 1,658 square feet of living space and a 0.04-acre lot.

When was 20 Glasshouse Garth, Nottingham, MD built?

20 Glasshouse Garth, Nottingham, MD was built in 1994, making it 32 years old. It is a townhouse home. The building has 2 stories.

What schools serve 20 Glasshouse Garth, Nottingham, MD?

20 Glasshouse Garth, Nottingham, MD is assigned to Honeygo Elementary School (elementary), rated A+; Perry Hall High School (high), rated C; Perry Hall Middle School (middle), rated C. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Glasshouse Garth, Nottingham, MD compare to other homes in Nottingham 21236?

Among the 12,597 homes in Nottingham 21236, it is worth more than 78% of them ($419,696 against a typical $332,477), its price per square foot is higher than 74% of them ($253 against a typical $232), it is bigger than 71% of them (1,658 ft² against a typical 1,344 ft²), its lot is bigger than 22% of them (1,960 ft² against a typical 0.15 ac) and it is newer than 91% of them (1994 against a typical 1980). Measured against all of Baltimore County, it is worth more than 64% 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 20 Glasshouse Garth, Nottingham, MD?

The 2025 property tax bill for 20 Glasshouse Garth, Nottingham, MD was $5,140. The county assessed it at $338,300.

More homes on Glasshouse Garth

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