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Single Family ResidenceResidential
$1,131,637$240 / 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 Oct 21, 2026
Last sold for $334,900 on May 23, 2000

517 ROCKFORD RD

SILVER SPRING, MD 20902
3.5
Baths
4,712 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.
0.95 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$334,900 · May 23, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,797 (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.$1,080,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$299,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$781,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,170,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,080,200

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.0.95
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 · 284 ft²Porch · 120 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.

M
Odessa Shannon Middle SchoolD
Middle · Grades 6–8 · 0.7 mi
E
Kemp Mill Elementary SchoolD+
Elementary · Grades PK–5 · 0.7 mi
H
Northwood High SchoolC-
High · Grades 9–12 · 1.3 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20902These 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.88
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 100.36

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
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.53,163
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,976 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,726
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,608
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

517 Rockford 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 most valuable homes in Silver Spring 20902
  • Costs less per square foot than 87% of homes in Silver Spring 20902
  • Among the largest homes in Silver Spring 20902
  • Among the largest lots in Silver Spring 20902
  • Older than 81% of homes in Montgomery County

What homes are worth in Silver Spring 20902

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

This home
$149K$958K

This home is worth more than almost all homes in Silver Spring 20902.

How it measures up in Silver Spring 20902

The dot is this home. The mark in the middle is the typical home in Silver Spring 20902.

Estimated value$1,131,637
CheaperTypical $534,488Pricier

Pricier than almost all homes nearby

Price per ft²$240
CheaperTypical $307Pricier

Pricier than 13% of homes nearby

Living area4,712 ft²
SmallerTypical 1,702 ft²Bigger

Bigger than almost all homes nearby

Lot size0.95 ac
SmallerTypical 0.16 acBigger

Bigger than almost all homes nearby

Year built1956
OlderTypical 1956Newer

Newer than 52% of homes nearby

How 517 Rockford Rd ranks against every home in each area.
MeasureThis homeSilver Spring 20902Montgomery County
Estimated valuepricier than$1,131,637almost all homes84% of homes
Price per ft²pricier than$24013% of homes20% of homes
Living areabigger than4,712 ft²almost all homes93% of homes
Lot sizebigger than0.95 acalmost all homes94% of homes
Year builtnewer than195652% of homes19% of homes

About 517 Rockford Rd

How much is 517 Rockford Rd, Silver Spring, MD worth?

The TopHap Estimate for 517 Rockford Rd, Silver Spring, MD is $1,131,637 as of Oct 21, 2026. The likely range is $1,074,466 to $1,188,808. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 517 Rockford Rd, Silver Spring, MD last sell?

517 Rockford Rd, Silver Spring, MD last sold on May 23, 2000 for $334,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 517 Rockford Rd, Silver Spring, MD?

517 Rockford Rd, Silver Spring, MD has 3.5 bathrooms, 4,712 square feet of living space and a 0.95-acre lot.

When was 517 Rockford Rd, Silver Spring, MD built?

517 Rockford Rd, Silver Spring, MD was built in 1956, making it 70 years old. It is a townhouse home. The building has 1 story.

What schools serve 517 Rockford Rd, Silver Spring, MD?

517 Rockford Rd, Silver Spring, MD is assigned to Odessa Shannon Middle School (middle), rated D; Kemp Mill Elementary School (elementary), rated D+; Northwood High School (high), rated C-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 Rockford Rd, Silver Spring, MD compare to other homes in Silver Spring 20902?

Among the 13,404 homes in Silver Spring 20902, it is worth more than almost all of them ($1,131,637 against a typical $534,488), its price per square foot is higher than 13% of them ($240 against a typical $307), it is bigger than almost all of them (4,712 ft² against a typical 1,702 ft²), its lot is bigger than almost all of them (0.95 ac against a typical 0.16 ac) and it is newer than 52% of them (1956 against a typical 1956). Measured against all of Montgomery County, it is worth more than 84% 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 517 Rockford Rd, Silver Spring, MD?

The 2025 property tax bill for 517 Rockford Rd, Silver Spring, MD was $11,797. The county assessed it at $1,080,200.

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