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Single Family ResidenceResidential
$496,225$660 / 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 Sep 24, 2026

809 THAYER AVE

SILVER SPRING, MD 20910
1
Baths
752 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1932
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$496K
$432K low$561K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,835 (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.$448,200 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$435,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$460,600

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.9
1
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.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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.Townhouse
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Radiant
CoolingThe type of cooling or air conditioning in the home.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.Porch · 187 ft²

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.

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

E
East Silver Spring Elementary SchoolC-
Elementary · Grades PK–5 · 0.4 mi
M
Takoma Park Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi
H
Montgomery Blair High SchoolB
High · Grades 9–12 · 1.8 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20910These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
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.47,312
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,181 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,988
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,608
Average tempThe average temperature here across a full year.55°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%

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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

809 Thayer Ave 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 69% of homes in Silver Spring 20910
  • Among the highest price per square foot in Silver Spring 20910
  • Smaller than 98% of homes in Montgomery County
  • Has a bigger lot than 65% of homes in Silver Spring 20910
  • Older than 98% of homes in Montgomery County

What homes are worth in Silver Spring 20910

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

This home
$170K$1.2M

This home is worth more than 31% of homes in Silver Spring 20910.

How it measures up in Silver Spring 20910

The dot is this home. The mark in the middle is the typical home in Silver Spring 20910.

Estimated value$496,225
CheaperTypical $631,066Pricier

Pricier than 31% of homes nearby

Price per ft²$660
CheaperTypical $352Pricier

Pricier than almost all homes nearby

Living area752 ft²
SmallerTypical 1,710 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.17 ac
SmallerTypical 0.15 acBigger

Bigger than 65% of homes nearby

Year built1932
OlderTypical 1952Newer

Newer than 12% of homes nearby

How 809 Thayer Ave ranks against every home in each area.
MeasureThis homeSilver Spring 20910Montgomery County
Estimated valuepricier than$496,22531% of homes32% of homes
Price per ft²pricier than$660almost all homes98% of homes
Living areabigger than752 ft²10% of homes2% of homes
Lot sizebigger than0.17 ac65% of homes53% of homes
Year builtnewer than193212% of homes2% of homes

About 809 Thayer Ave

How much is 809 Thayer Ave, Silver Spring, MD worth?

The TopHap Estimate for 809 Thayer Ave, Silver Spring, MD is $496,225 as of Sep 24, 2026. The likely range is $431,920 to $560,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 809 Thayer Ave, Silver Spring, MD last sell?

809 Thayer Ave, Silver Spring, MD last sold on Feb 26, 2004, according to the county's recorded deed.

How big is 809 Thayer Ave, Silver Spring, MD?

809 Thayer Ave, Silver Spring, MD has 1 bathrooms, 752 square feet of living space and a 0.17-acre lot.

When was 809 Thayer Ave, Silver Spring, MD built?

809 Thayer Ave, Silver Spring, MD was built in 1932, making it 94 years old. It is a townhouse home. The building has 1 story.

What schools serve 809 Thayer Ave, Silver Spring, MD?

809 Thayer Ave, Silver Spring, MD is assigned to East Silver Spring Elementary School (elementary), rated C-; Takoma Park Middle School (middle), rated A-; Montgomery Blair High School (high), rated B. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 809 Thayer Ave, Silver Spring, MD compare to other homes in Silver Spring 20910?

Among the 9,087 homes in Silver Spring 20910, it is worth more than 31% of them ($496,225 against a typical $631,066), its price per square foot is higher than almost all of them ($660 against a typical $352), it is bigger than 10% of them (752 ft² against a typical 1,710 ft²), its lot is bigger than 65% of them (0.17 ac against a typical 0.15 ac) and it is newer than 12% of them (1932 against a typical 1952). Measured against all of Montgomery County, it is worth more than 32% 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 809 Thayer Ave, Silver Spring, MD?

The 2025 property tax bill for 809 Thayer Ave, Silver Spring, MD was $5,835. The county assessed it at $448,200.

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