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Single Family ResidenceResidential
$275,930$166 / 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 87How 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

12800 GREEN RIDGE RD NE

FLINTSTONE, MD 21530
1
Baths
1,665 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.
26.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$276K
$241K low$311K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,780 (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.$175,367 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$163,733
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$187,000

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.51
67
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
17
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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyALLEGANY
Lot (acres)The size of the land the home sits on, from county records.26.58
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Porch · 72 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.

E
Flintstone Elementary SchoolA-
Elementary · Grades PK–5 · 7.4 mi
M
Washington Middle SchoolD+
Middle · Grades 6–8 · 17.6 mi
H
Fort Hill High SchoolB-
High · Grades 9–12 · 17.6 mi

District: Allegany County Public Schools

Neighborhood · ZIP 21530These 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.115
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.1,249
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.20 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,807
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,734
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

12800 Green Ridge Rd Ne 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 87% of homes in Allegany County
  • Costs more per square foot than 82% of homes in Allegany County
  • Bigger than 71% of homes in Flintstone 21530
  • Has a bigger lot than 98% of homes in Allegany County
  • Newer than 69% of homes in Allegany County

What homes are worth in Flintstone 21530

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

This home
$67K$694K

This home is worth more than 69% of homes in Flintstone 21530.

How it measures up in Flintstone 21530

The dot is this home. The mark in the middle is the typical home in Flintstone 21530.

Estimated value$275,930
CheaperTypical $220,094Pricier

Pricier than 69% of homes nearby

Price per ft²$166
CheaperTypical $172Pricier

Pricier than 45% of homes nearby

Living area1,665 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 71% of homes nearby

Lot size26.58 ac
SmallerTypical 4.6 acBigger

Bigger than 84% of homes nearby

Year built1964
OlderTypical 1974Newer

Newer than 38% of homes nearby

How 12800 Green Ridge Rd Ne ranks against every home in each area.
MeasureThis homeFlintstone 21530Allegany County
Estimated valuepricier than$275,93069% of homes87% of homes
Price per ft²pricier than$16645% of homes82% of homes
Living areabigger than1,665 ft²71% of homes68% of homes
Lot sizebigger than26.58 ac84% of homes98% of homes
Year builtnewer than196438% of homes69% of homes

About 12800 Green Ridge Rd Ne

How much is 12800 Green Ridge Rd Ne, Flintstone, MD worth?

The TopHap Estimate for 12800 Green Ridge Rd Ne, Flintstone, MD is $275,930 as of Aug 30, 2026. The likely range is $240,861 to $310,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12800 Green Ridge Rd Ne, Flintstone, MD last sell?

12800 Green Ridge Rd Ne, Flintstone, MD last sold on Jan 24, 2000, according to the county's recorded deed.

How big is 12800 Green Ridge Rd Ne, Flintstone, MD?

12800 Green Ridge Rd Ne, Flintstone, MD has 1 bathrooms, 1,665 square feet of living space and a 26.58-acre lot.

When was 12800 Green Ridge Rd Ne, Flintstone, MD built?

12800 Green Ridge Rd Ne, Flintstone, MD was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 12800 Green Ridge Rd Ne, Flintstone, MD?

12800 Green Ridge Rd Ne, Flintstone, MD is assigned to Flintstone Elementary School (elementary), rated A-; Washington Middle School (middle), rated D+; Fort Hill High School (high), rated B-. All sit in Allegany County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12800 Green Ridge Rd Ne, Flintstone, MD compare to other homes in Flintstone 21530?

Among the 807 homes in Flintstone 21530, it is worth more than 69% of them ($275,930 against a typical $220,094), its price per square foot is higher than 45% of them ($166 against a typical $172), it is bigger than 71% of them (1,665 ft² against a typical 1,344 ft²), its lot is bigger than 84% of them (26.58 ac against a typical 4.6 ac) and it is newer than 38% of them (1964 against a typical 1974). Measured against all of Allegany County, it is worth more than 87% 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 12800 Green Ridge Rd Ne, Flintstone, MD?

The 2025 property tax bill for 12800 Green Ridge Rd Ne, Flintstone, MD was $1,780. The county assessed it at $175,367.

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