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Single Family ResidenceResidential
$1,051,516$287 / 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 93How 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 $725,000 on Nov 29, 2010

8518 HILL SPRING DR

TIMONIUM, MD 21093
3 / 1
Baths
3,658 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
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

$1.1M
$978K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$725,000 · Nov 29, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,187 (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.$763,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$232,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$530,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$761,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$763,300

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.0.33
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.Heat Pump
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, 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.Deck · 360 ft²

Transaction History(3)

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
Riderwood Elementary SchoolA
Elementary · Grades KG–5 · 1.0 mi
M
Ridgely Middle SchoolB+
Middle · Grades 6–8 · 2.2 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 3.2 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21093These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.40,327
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,908 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,223
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,073
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

8518 Hill Spring Dr 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 97% of homes in Baltimore County
  • Costs more per square foot than 80% of homes in Baltimore County
  • Bigger than 96% of homes in Baltimore County
  • Has a bigger lot than 76% of homes in Baltimore County
  • Newer than 81% of homes in Lutherville Timonium 21093

What homes are worth in Lutherville Timonium 21093

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

This home
$276K$1.6M

This home is worth more than 92% of homes in Lutherville Timonium 21093.

How it measures up in Lutherville Timonium 21093

The dot is this home. The mark in the middle is the typical home in Lutherville Timonium 21093.

Estimated value$1,051,516
CheaperTypical $512,158Pricier

Pricier than 92% of homes nearby

Price per ft²$287
CheaperTypical $280Pricier

Pricier than 55% of homes nearby

Living area3,658 ft²
SmallerTypical 1,804 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.33 ac
SmallerTypical 0.22 acBigger

Bigger than 72% of homes nearby

Year built1992
OlderTypical 1969Newer

Newer than 81% of homes nearby

How 8518 Hill Spring Dr ranks against every home in each area.
MeasureThis homeLutherville Timonium 21093Baltimore County
Estimated valuepricier than$1,051,51692% of homes97% of homes
Price per ft²pricier than$28755% of homes80% of homes
Living areabigger than3,658 ft²93% of homes96% of homes
Lot sizebigger than0.33 ac72% of homes76% of homes
Year builtnewer than199281% of homes79% of homes

About 8518 Hill Spring Dr

How much is 8518 Hill Spring Dr, Timonium, MD worth?

The TopHap Estimate for 8518 Hill Spring Dr, Timonium, MD is $1,051,516 as of Sep 24, 2026. The likely range is $978,401 to $1,124,631. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8518 Hill Spring Dr, Timonium, MD last sell?

8518 Hill Spring Dr, Timonium, MD last sold on Nov 29, 2010 for $725,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8518 Hill Spring Dr, Timonium, MD?

8518 Hill Spring Dr, Timonium, MD has 3 bathrooms, 3,658 square feet of living space and a 0.33-acre lot.

When was 8518 Hill Spring Dr, Timonium, MD built?

8518 Hill Spring Dr, Timonium, MD was built in 1992, making it 34 years old. It is a conventional home. The building has 2 stories.

What schools serve 8518 Hill Spring Dr, Timonium, MD?

8518 Hill Spring Dr, Timonium, MD is assigned to Riderwood Elementary School (elementary), rated A; Ridgely Middle School (middle), rated B+; Dulaney High School (high), rated A-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8518 Hill Spring Dr, Timonium, MD compare to other homes in Lutherville Timonium 21093?

Among the 14,261 homes in Lutherville Timonium 21093, it is worth more than 92% of them ($1,051,516 against a typical $512,158), its price per square foot is higher than 55% of them ($287 against a typical $280), it is bigger than 93% of them (3,658 ft² against a typical 1,804 ft²), its lot is bigger than 72% of them (0.33 ac against a typical 0.22 ac) and it is newer than 81% of them (1992 against a typical 1969). Measured against all of Baltimore County, it is worth more than 97% 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 8518 Hill Spring Dr, Timonium, MD?

The 2025 property tax bill for 8518 Hill Spring Dr, Timonium, MD was $11,187. The county assessed it at $763,300.

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Assigned schools

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