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Single Family ResidenceResidential
$771,446$237 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

129 CRYSTAL SPRING DR

ASHTON, MD 20861
3.5
Baths
3,254 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$771K
$732K low$811K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,002 (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.$656,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$423,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$621,933
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$656,300

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.47
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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 · 240 ft²

Transaction History(8)

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.

H
Sherwod High SchoolB-
High · Grades 9–12 · 0.5 mi
E
Sherwood Elementary SchoolA-
Elementary · Grades KG–5 · 1.2 mi
M
William H. Farquhar Middle SchoolB
Middle · Grades 6–8 · 1.8 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20861These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,094
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.545 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$177,998
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$201,963
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

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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

129 Crystal 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 less than 67% of homes in Ashton 20861
  • Costs less per square foot than 81% of homes in Montgomery County
  • Bigger than 81% of homes in Montgomery County
  • Has a bigger lot than 88% of homes in Montgomery County
  • Newer than 75% of homes in Montgomery County

What homes are worth in Ashton 20861

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

This home
$426K$1.6M

This home is worth more than 33% of homes in Ashton 20861.

How it measures up in Ashton 20861

The dot is this home. The mark in the middle is the typical home in Ashton 20861.

Estimated value$771,446
CheaperTypical $950,917Pricier

Pricier than 33% of homes nearby

Price per ft²$237
CheaperTypical $241Pricier

Pricier than 48% of homes nearby

Living area3,254 ft²
SmallerTypical 3,982 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.47 ac
SmallerTypical 0.77 acBigger

Bigger than 18% of homes nearby

Year built1991
OlderTypical 1992Newer

Newer than 50% of homes nearby

How 129 Crystal Spring Dr ranks against every home in each area.
MeasureThis homeAshton 20861Montgomery County
Estimated valuepricier than$771,44633% of homes65% of homes
Price per ft²pricier than$23748% of homes19% of homes
Living areabigger than3,254 ft²41% of homes81% of homes
Lot sizebigger than0.47 ac18% of homes88% of homes
Year builtnewer than199150% of homes75% of homes

About 129 Crystal Spring Dr

How much is 129 Crystal Spring Dr, Ashton, MD worth?

The TopHap Estimate for 129 Crystal Spring Dr, Ashton, MD is $771,446 as of Aug 30, 2026. The likely range is $731,825 to $811,067. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Crystal Spring Dr, Ashton, MD last sell?

129 Crystal Spring Dr, Ashton, MD last sold on Dec 3, 2002, according to the county's recorded deed.

How big is 129 Crystal Spring Dr, Ashton, MD?

129 Crystal Spring Dr, Ashton, MD has 3.5 bathrooms, 3,254 square feet of living space and a 0.47-acre lot.

When was 129 Crystal Spring Dr, Ashton, MD built?

129 Crystal Spring Dr, Ashton, MD was built in 1991, making it 35 years old. It is a bi-level home. The building has 2 stories.

What schools serve 129 Crystal Spring Dr, Ashton, MD?

129 Crystal Spring Dr, Ashton, MD is assigned to Sherwod High School (high), rated B-; Sherwood Elementary School (elementary), rated A-; William H. Farquhar Middle School (middle), rated B. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 Crystal Spring Dr, Ashton, MD compare to other homes in Ashton 20861?

Among the 1,029 homes in Ashton 20861, it is worth more than 33% of them ($771,446 against a typical $950,917), its price per square foot is higher than 48% of them ($237 against a typical $241), it is bigger than 41% of them (3,254 ft² against a typical 3,982 ft²), its lot is bigger than 18% of them (0.47 ac against a typical 0.77 ac) and it is newer than 50% of them (1991 against a typical 1992). Measured against all of Montgomery County, it is worth more than 65% 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 129 Crystal Spring Dr, Ashton, MD?

The 2025 property tax bill for 129 Crystal Spring Dr, Ashton, MD was $7,002. The county assessed it at $656,300.

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