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Single Family ResidenceResidential
$270,101$219 / 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 94How 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 $260,000 on May 5, 2025

307 MAIN ST

NEW WINDSOR, MD 21776
1
Baths
1,236 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1879
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$270K
$255K low$285K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · May 5, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,392 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$245,533 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$205,767
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.16
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Patio · 84 ft²Porch · 398 ft²

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.

H
Francis Scott Key High SchoolB-
High · Grades 9–12 · 3.7 mi
E
Elmer A. Wolfe Elementary SchoolB+
Elementary · Grades PK–5 · 4.4 mi
M
Northwest Middle SchoolB
Middle · Grades 6–8 · 8.2 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21776These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
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.95%
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.5.2%
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.6,091
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.166 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,625
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,806
Average tempThe average temperature here across a full year.53°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

307 Main St 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 95% of homes in New Windsor 21776
  • Costs less per square foot than 84% of homes in Carroll County
  • Smaller than 82% of homes in New Windsor 21776
  • Has a smaller lot than 88% of homes in New Windsor 21776
  • Older than 98% of homes in Carroll County

What homes are worth in New Windsor 21776

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

This home
$235K$957K

This home is worth more than 5% of homes in New Windsor 21776.

How it measures up in New Windsor 21776

The dot is this home. The mark in the middle is the typical home in New Windsor 21776.

Estimated value$270,101
CheaperTypical $460,025Pricier

Pricier than 5% of homes nearby

Price per ft²$219
CheaperTypical $261Pricier

Pricier than 24% of homes nearby

Living area1,236 ft²
SmallerTypical 1,872 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.16 ac
SmallerTypical 1.06 acBigger

Bigger than 12% of homes nearby

Year built1879
OlderTypical 1986Newer

Newer than 4% of homes nearby

How 307 Main St ranks against every home in each area.
MeasureThis homeNew Windsor 21776Carroll County
Estimated valuepricier than$270,1015% of homes6% of homes
Price per ft²pricier than$21924% of homes16% of homes
Living areabigger than1,236 ft²18% of homes21% of homes
Lot sizebigger than0.16 ac12% of homes14% of homes
Year builtnewer than18794% of homes2% of homes

About 307 Main St

How much is 307 Main St, New Windsor, MD worth?

The TopHap Estimate for 307 Main St, New Windsor, MD is $270,101 as of Oct 21, 2026. The likely range is $254,907 to $285,295. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Main St, New Windsor, MD last sell?

307 Main St, New Windsor, MD last sold on May 5, 2025 for $260,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 307 Main St, New Windsor, MD?

307 Main St, New Windsor, MD has 1 bathrooms, 1,236 square feet of living space and a 0.16-acre lot.

When was 307 Main St, New Windsor, MD built?

307 Main St, New Windsor, MD was built in 1879, making it 147 years old. The building has 2 stories.

What schools serve 307 Main St, New Windsor, MD?

307 Main St, New Windsor, MD is assigned to Francis Scott Key High School (high), rated B-; Elmer A. Wolfe Elementary School (elementary), rated B+; Northwest Middle School (middle), rated B. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 Main St, New Windsor, MD compare to other homes in New Windsor 21776?

Among the 2,248 homes in New Windsor 21776, it is worth more than 5% of them ($270,101 against a typical $460,025), its price per square foot is higher than 24% of them ($219 against a typical $261), it is bigger than 18% of them (1,236 ft² against a typical 1,872 ft²), its lot is bigger than 12% of them (0.16 ac against a typical 1.06 ac) and it is newer than 4% of them (1879 against a typical 1986). Measured against all of Carroll County, it is worth more than 6% 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 307 Main St, New Windsor, MD?

The 2026 property tax bill for 307 Main St, New Windsor, MD was $3,392. The county assessed it at $245,533.

More homes on Main St

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