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Commercial (General)Commercial
Last sold for $299,500 on Feb 28, 2007

3820 ROUNDTREE RD

JEFFERSON, MD 21755
0
Baths
2.82 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$299,500 · Feb 28, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,765 (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.$309,133 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$309,133
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,067
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$310,200

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
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.Commercial (General)
CountyFREDERICK
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Valley Elementary SchoolA
Elementary · Grades KG–5 · 0.6 mi
M
Brunswick Middle SchoolB-
Middle · Grades 6–8 · 4.7 mi
H
Brunswick High SchoolB
High · Grades 9–12 · 4.8 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21755These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.6,726
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.192 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,348
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,084
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

3820 Roundtree Rd 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.

  • Has a bigger lot than 90% of homes in Frederick County
  • Older than 91% of homes in Frederick County

How it measures up in Jefferson 21755

The dot is this home. The mark in the middle is the typical home in Jefferson 21755.

Lot size2.82 ac
SmallerTypical 0.95 acBigger

Bigger than 81% of homes nearby

Year built1900
OlderTypical 1989Newer

Newer than 12% of homes nearby

How 3820 Roundtree Rd ranks against every home in each area.
MeasureThis homeJefferson 21755Frederick County
Lot sizebigger than2.82 ac81% of homes90% of homes
Year builtnewer than190012% of homes9% of homes

About 3820 Roundtree Rd

When did 3820 Roundtree Rd, Jefferson, MD last sell?

3820 Roundtree Rd, Jefferson, MD last sold on Feb 28, 2007 for $299,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 3820 Roundtree Rd, Jefferson, MD built?

3820 Roundtree Rd, Jefferson, MD was built in 1900, making it 126 years old.

What schools serve 3820 Roundtree Rd, Jefferson, MD?

3820 Roundtree Rd, Jefferson, MD is assigned to Valley Elementary School (elementary), rated A; Brunswick Middle School (middle), rated B-; Brunswick 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 3820 Roundtree Rd, Jefferson, MD compare to other homes in Jefferson 21755?

Among the 2,161 homes in Jefferson 21755, its lot is bigger than 81% of them (2.82 ac against a typical 0.95 ac) and it is newer than 12% of them (1900 against a typical 1989). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3820 Roundtree Rd, Jefferson, MD?

The 2025 property tax bill for 3820 Roundtree Rd, Jefferson, MD was $3,765. The county assessed it at $309,133.

More homes on Roundtree Rd

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Assigned schools

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