Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$351,346$243 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $299,993 on Sep 22, 2006

21 COLLIERY DR

THURMONT, MD 21788
2
Baths
1,448 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$351K
$324K low$379K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$299,993 · Sep 22, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,805 (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.$285,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$228,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$264,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.Split Foyer
CountyFREDERICK
Lot (acres)The size of the land the home sits on, from county records.0.25
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.Central
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 · 192 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.

M
Thurmont Middle SchoolC+
Middle · Grades 6–8 · 0.7 mi
E
Thurmont Primary School
Elementary · Grades KG–2 · 0.8 mi
H
Catoctin High SchoolB-
High · Grades 9–12 · 1.9 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21788These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.70
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.13,706
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.202 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,589
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,499
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

21 Colliery 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 less than 80% of homes in Frederick County
  • Costs more per square foot than 69% of homes in Thurmont 21788
  • Smaller than 82% of homes in Frederick County
  • Has a smaller lot than 71% of homes in Thurmont 21788
  • Newer than 65% of homes in Thurmont 21788

What homes are worth in Thurmont 21788

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

This home
$185K$787K

This home is worth more than 44% of homes in Thurmont 21788.

How it measures up in Thurmont 21788

The dot is this home. The mark in the middle is the typical home in Thurmont 21788.

Estimated value$351,346
CheaperTypical $371,353Pricier

Pricier than 44% of homes nearby

Price per ft²$243
CheaperTypical $216Pricier

Pricier than 69% of homes nearby

Living area1,448 ft²
SmallerTypical 1,764 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.25 ac
SmallerTypical 0.44 acBigger

Bigger than 29% of homes nearby

Year built1990
OlderTypical 1976Newer

Newer than 65% of homes nearby

How 21 Colliery Dr ranks against every home in each area.
MeasureThis homeThurmont 21788Frederick County
Estimated valuepricier than$351,34644% of homes20% of homes
Price per ft²pricier than$24369% of homes61% of homes
Living areabigger than1,448 ft²31% of homes18% of homes
Lot sizebigger than0.25 ac29% of homes55% of homes
Year builtnewer than199065% of homes49% of homes

About 21 Colliery Dr

How much is 21 Colliery Dr, Thurmont, MD worth?

The TopHap Estimate for 21 Colliery Dr, Thurmont, MD is $351,346 as of Oct 21, 2026. The likely range is $323,867 to $378,825. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Colliery Dr, Thurmont, MD last sell?

21 Colliery Dr, Thurmont, MD last sold on Sep 22, 2006 for $299,993, according to the county's recorded deed.

How big is 21 Colliery Dr, Thurmont, MD?

21 Colliery Dr, Thurmont, MD has 2 bathrooms, 1,448 square feet of living space and a 0.25-acre lot.

When was 21 Colliery Dr, Thurmont, MD built?

21 Colliery Dr, Thurmont, MD was built in 1990, making it 36 years old. It is a split foyer home. The building has 1 story.

What schools serve 21 Colliery Dr, Thurmont, MD?

21 Colliery Dr, Thurmont, MD is assigned to Thurmont Middle School (middle), rated C+; Thurmont Primary School (elementary); Catoctin High School (high), rated B-. All sit in Frederick County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Colliery Dr, Thurmont, MD compare to other homes in Thurmont 21788?

Among the 4,569 homes in Thurmont 21788, it is worth more than 44% of them ($351,346 against a typical $371,353), its price per square foot is higher than 69% of them ($243 against a typical $216), it is bigger than 31% of them (1,448 ft² against a typical 1,764 ft²), its lot is bigger than 29% of them (0.25 ac against a typical 0.44 ac) and it is newer than 65% of them (1990 against a typical 1976). Measured against all of Frederick County, it is worth more than 20% 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 21 Colliery Dr, Thurmont, MD?

The 2025 property tax bill for 21 Colliery Dr, Thurmont, MD was $3,805. The county assessed it at $285,500.

More homes on Colliery Dr

Closest homes

More homes in Thurmont 21788

Assigned schools

Explore the area

See this home in context

Open 21 Colliery Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map