Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$688,138$262 / 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 96How 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 $675,000 on Jul 22, 2025

3903 THRASHER CT

MONROVIA, MD 21770
2.5
Baths
2,628 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.
1.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$688K
$660K low$716K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · Jul 22, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,069 (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.$510,533 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$488,567
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$532,500

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.48
19
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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.Conventional
CountyFREDERICK
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.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 600 ft²Porch · 204 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
Green Valley Elementary SchoolA
Elementary · Grades KG–5 · 1.6 mi
M
Windsor Knolls Middle SchoolA
Middle · Grades 6–8 · 2.6 mi
H
Linganore High SchoolB+
High · Grades 9–12 · 6.3 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21770These 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.22
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.5%
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.6,240
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.567 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$161,575
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$180,267
Average tempThe average temperature here across a full year.54°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

3903 Thrasher 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 81% of homes in Frederick County
  • Costs more per square foot than 74% of homes in Frederick County
  • Bigger than 67% of homes in Frederick County
  • Has a bigger lot than 88% of homes in Frederick County

What homes are worth in Monrovia 21770

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

This home
$365K$1.1M

This home is worth more than 57% of homes in Monrovia 21770.

How it measures up in Monrovia 21770

The dot is this home. The mark in the middle is the typical home in Monrovia 21770.

Estimated value$688,138
CheaperTypical $635,446Pricier

Pricier than 57% of homes nearby

Price per ft²$262
CheaperTypical $241Pricier

Pricier than 67% of homes nearby

Living area2,628 ft²
SmallerTypical 2,680 ft²Bigger

Bigger than 49% of homes nearby

Lot size1.97 ac
SmallerTypical 0.75 acBigger

Bigger than 86% of homes nearby

Year built1987
OlderTypical 1992Newer

Newer than 41% of homes nearby

How 3903 Thrasher Ct ranks against every home in each area.
MeasureThis homeMonrovia 21770Frederick County
Estimated valuepricier than$688,13857% of homes81% of homes
Price per ft²pricier than$26267% of homes74% of homes
Living areabigger than2,628 ft²49% of homes67% of homes
Lot sizebigger than1.97 ac86% of homes88% of homes
Year builtnewer than198741% of homes43% of homes

About 3903 Thrasher Ct

How much is 3903 Thrasher Ct, Monrovia, MD worth?

The TopHap Estimate for 3903 Thrasher Ct, Monrovia, MD is $688,138 as of Oct 21, 2026. The likely range is $660,388 to $715,888. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3903 Thrasher Ct, Monrovia, MD last sell?

3903 Thrasher Ct, Monrovia, MD last sold on Jul 22, 2025 for $675,000, according to the county's recorded deed.

How big is 3903 Thrasher Ct, Monrovia, MD?

3903 Thrasher Ct, Monrovia, MD has 2.5 bathrooms and 2,628 square feet of living space.

When was 3903 Thrasher Ct, Monrovia, MD built?

3903 Thrasher Ct, Monrovia, MD was built in 1987, making it 39 years old. It is a conventional home. The building has 2 stories.

What schools serve 3903 Thrasher Ct, Monrovia, MD?

3903 Thrasher Ct, Monrovia, MD is assigned to Green Valley Elementary School (elementary), rated A; Windsor Knolls Middle School (middle), rated A; Linganore 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 3903 Thrasher Ct, Monrovia, MD compare to other homes in Monrovia 21770?

Among the 2,965 homes in Monrovia 21770, it is worth more than 57% of them ($688,138 against a typical $635,446), its price per square foot is higher than 67% of them ($262 against a typical $241), it is bigger than 49% of them (2,628 ft² against a typical 2,680 ft²), its lot is bigger than 86% of them (1.97 ac against a typical 0.75 ac) and it is newer than 41% of them (1987 against a typical 1992). Measured against all of Frederick County, it is worth more than 81% 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 3903 Thrasher Ct, Monrovia, MD?

The 2025 property tax bill for 3903 Thrasher Ct, Monrovia, MD was $6,069. The county assessed it at $510,533.

More homes on Thrasher Ct

Closest homes

More homes in Monrovia 21770

Assigned schools

Explore the area

See this home in context

Open 3903 Thrasher Ct 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