Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$584,165
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 82How 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

ROSEMONT DR

KNOXVILLE, MD 21758
0
Baths
3,484 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

$584K
$477K low$691K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$59 (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.$4,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,800

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyFREDERICK
Lot (acres)The size of the land the home sits on, from county records.0.08
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Brunswick Elementary SchoolA-
Elementary · Grades KG–5 · 1.0 mi
H
Brunswick High SchoolB
High · Grades 9–12 · 1.7 mi
M
Brunswick Middle SchoolB-
Middle · Grades 6–8 · 2.0 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21758These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.94%
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.3.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.6,484
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.183 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,559
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,591
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

Rosemont 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 more than 69% of homes in Knoxville 21758
  • Has a smaller lot than 97% of homes in Knoxville 21758
  • Older than 91% of homes in Frederick County

What homes are worth in Knoxville 21758

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

This home
$192K$1.1M

This home is worth more than 69% of homes in Knoxville 21758.

How it measures up in Knoxville 21758

The dot is this home. The mark in the middle is the typical home in Knoxville 21758.

Estimated value$584,165
CheaperTypical $456,918Pricier

Pricier than 69% of homes nearby

Lot size3,484 ft²
SmallerTypical 1.02 acBigger

Bigger than 3% of homes nearby

Year built1900
OlderTypical 1978Newer

Newer than 16% of homes nearby

How Rosemont Dr ranks against every home in each area.
MeasureThis homeKnoxville 21758Frederick County
Estimated valuepricier than$584,16569% of homes67% of homes
Lot sizebigger than3,484 ft²3% of homes28% of homes
Year builtnewer than190016% of homes9% of homes

About Rosemont Dr

How much is Rosemont Dr, Knoxville, MD worth?

The TopHap Estimate for Rosemont Dr, Knoxville, MD is $584,165 as of Aug 30, 2026. The likely range is $477,424 to $690,906. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Rosemont Dr, Knoxville, MD last sell?

Rosemont Dr, Knoxville, MD last sold on Jan 1, 1900, according to the county's recorded deed.

When was Rosemont Dr, Knoxville, MD built?

Rosemont Dr, Knoxville, MD was built in 1900, making it 126 years old.

What schools serve Rosemont Dr, Knoxville, MD?

Rosemont Dr, Knoxville, MD is assigned to Brunswick Elementary School (elementary), rated A-; Brunswick High School (high), rated B; Brunswick Middle School (middle), rated B-. All sit in Frederick County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Rosemont Dr, Knoxville, MD compare to other homes in Knoxville 21758?

Among the 1,882 homes in Knoxville 21758, it is worth more than 69% of them ($584,165 against a typical $456,918), its lot is bigger than 3% of them (3,484 ft² against a typical 1.02 ac) and it is newer than 16% of them (1900 against a typical 1978). Measured against all of Frederick County, it is worth more than 67% 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 Rosemont Dr, Knoxville, MD?

The 2025 property tax bill for Rosemont Dr, Knoxville, MD was $59. The county assessed it at $4,800.

More homes on Rosemont Dr

Closest homes

More homes in Knoxville 21758

Assigned schools

Explore the area

See this home in context

Open Rosemont Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map