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CondominiumResidential
$199,424$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 91How 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 $180,000 on Feb 17, 2005

3929 GREENCASTLE RD

BURTONSVILLE, MD 20866
Building report
0
Baths
787 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.
2,460 ft²
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.

Valuation

$199K
$182K low$217K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$180,000 · Feb 17, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,487 (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.$191,667 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$180,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$215,000

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.28
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
29
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.139 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.06
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Greencastle Elementary SchoolC-
Elementary · Grades PK–5 · 0.6 mi
H
Paint Branch High SchoolC
High · Grades 9–12 · 0.9 mi
M
Benjamin Banneker Middle SchoolD+
Middle · Grades 6–8 · 1.2 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20866These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
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.97%
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.6.4%
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.15,008
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,078 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,978
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,713
Average tempThe average temperature here across a full year.55°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%

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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

3929 Greencastle 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.

  • Among the least valuable homes in Burtonsville 20866
  • Costs less per square foot than 75% of homes in Montgomery County
  • Among the smallest homes in Burtonsville 20866
  • Has a smaller lot than 71% of homes in Montgomery County
  • Newer than 65% of homes in Montgomery County

What homes are worth in Burtonsville 20866

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

This home
$258K$959K

This home is worth less than almost all homes in Burtonsville 20866.

How it measures up in Burtonsville 20866

The dot is this home. The mark in the middle is the typical home in Burtonsville 20866.

Estimated value$199,424
CheaperTypical $444,807Pricier

Cheaper than almost all homes nearby

Price per ft²$253
CheaperTypical $264Pricier

Pricier than 43% of homes nearby

Living area787 ft²
SmallerTypical 1,740 ft²Bigger

Smaller than almost all homes nearby

Lot size2,460 ft²
SmallerTypical 2,526 ft²Bigger

Bigger than 48% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 51% of homes nearby

How 3929 Greencastle Rd ranks against every home in each area.
MeasureThis homeBurtonsville 20866Montgomery County
Estimated valuepricier than$199,424almost no homes3% of homes
Price per ft²pricier than$25343% of homes25% of homes
Living areabigger than787 ft²almost no homes3% of homes
Lot sizebigger than2,460 ft²48% of homes29% of homes
Year builtnewer than198651% of homes65% of homes

About 3929 Greencastle Rd

How much is 3929 Greencastle Rd, Burtonsville, MD worth?

The TopHap Estimate for 3929 Greencastle Rd, Burtonsville, MD is $199,424 as of Sep 24, 2026. The likely range is $182,040 to $216,808. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3929 Greencastle Rd, Burtonsville, MD last sell?

3929 Greencastle Rd, Burtonsville, MD last sold on Feb 17, 2005 for $180,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3929 Greencastle Rd, Burtonsville, MD?

3929 Greencastle Rd, Burtonsville, MD has 787 square feet of living space and a 0.06-acre lot.

When was 3929 Greencastle Rd, Burtonsville, MD built?

3929 Greencastle Rd, Burtonsville, MD was built in 1986, making it 40 years old. It is a condo/apartment home.

What schools serve 3929 Greencastle Rd, Burtonsville, MD?

3929 Greencastle Rd, Burtonsville, MD is assigned to Greencastle Elementary School (elementary), rated C-; Paint Branch High School (high), rated C; Benjamin Banneker Middle School (middle), rated D+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3929 Greencastle Rd, Burtonsville, MD compare to other homes in Burtonsville 20866?

Among the 4,555 homes in Burtonsville 20866, it is worth more than almost none of them ($199,424 against a typical $444,807), its price per square foot is higher than 43% of them ($253 against a typical $264), it is bigger than almost none of them (787 ft² against a typical 1,740 ft²), its lot is bigger than 48% of them (2,460 ft² against a typical 2,526 ft²) and it is newer than 51% of them (1986 against a typical 1986). Measured against all of Montgomery County, it is worth more than 3% 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 3929 Greencastle Rd, Burtonsville, MD?

The 2025 property tax bill for 3929 Greencastle Rd, Burtonsville, MD was $1,487. The county assessed it at $191,667.

More homes on Greencastle Rd

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Assigned schools

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