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Single Family ResidenceResidential
$363,735$225 / 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 Jul 14, 2026

645 MASON ST

DAYTON, VA 22821
3
Beds
2
Baths
1,620 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.
0.57 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$364K
$343K low$385K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$248,788
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$199,030
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.31%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$114,947
JPMORGAN CHASE BANK NA · 4.5% · recorded Feb 28, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,981 (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.$300,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$235,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,200

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.0.57
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
Wilbur S. Pence Middle SchoolC-
Middle · Grades 6–8 · 0.5 mi
E
John Wayland Elementary SchoolB-
Elementary · Grades PK–5 · 1.2 mi
H
Turner Ashby High SchoolB-
High · Grades 9–12 · 1.3 mi

District: Rockingham County Public Schools

Neighborhood · ZIP 22821These 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.74
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 100.45

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.7,095
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,437
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,087
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

645 Mason 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.

  • Older than 73% of homes in Rockingham County

What homes are worth in Dayton 22821

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

This home
$122K$822K

This home is worth more than 54% of homes in Dayton 22821.

How it measures up in Dayton 22821

The dot is this home. The mark in the middle is the typical home in Dayton 22821.

Estimated value$363,735
CheaperTypical $351,705Pricier

Pricier than 54% of homes nearby

Price per ft²$225
CheaperTypical $227Pricier

Pricier than 48% of homes nearby

Living area1,620 ft²
SmallerTypical 1,575 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.57 ac
SmallerTypical 0.95 acBigger

Bigger than 38% of homes nearby

Year built1967
OlderTypical 1977Newer

Newer than 37% of homes nearby

How 645 Mason St ranks against every home in each area.
MeasureThis homeDayton 22821Rockingham County
Estimated valuepricier than$363,73554% of homes52% of homes
Price per ft²pricier than$22548% of homes46% of homes
Living areabigger than1,620 ft²53% of homes54% of homes
Lot sizebigger than0.57 ac38% of homes48% of homes
Year builtnewer than196737% of homes27% of homes

About 645 Mason St

How much is 645 Mason St, Dayton, VA worth?

The TopHap Estimate for 645 Mason St, Dayton, VA is $363,735 as of Jul 14, 2026. The likely range is $342,955 to $384,515. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 Mason St, Dayton, VA last sell?

645 Mason St, Dayton, VA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 645 Mason St, Dayton, VA?

645 Mason St, Dayton, VA has 3 bedrooms, 2 bathrooms, 1,620 square feet of living space and a 0.57-acre lot.

When was 645 Mason St, Dayton, VA built?

645 Mason St, Dayton, VA was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 645 Mason St, Dayton, VA?

645 Mason St, Dayton, VA is assigned to Wilbur S. Pence Middle School (middle), rated C-; John Wayland Elementary School (elementary), rated B-; Turner Ashby High School (high), rated B-. All sit in Rockingham County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Mason St, Dayton, VA compare to other homes in Dayton 22821?

Among the 2,281 homes in Dayton 22821, it is worth more than 54% of them ($363,735 against a typical $351,705), its price per square foot is higher than 48% of them ($225 against a typical $227), it is bigger than 53% of them (1,620 ft² against a typical 1,575 ft²), its lot is bigger than 38% of them (0.57 ac against a typical 0.95 ac) and it is newer than 37% of them (1967 against a typical 1977). Measured against all of Rockingham County, it is worth more than 52% 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 645 Mason St, Dayton, VA?

The 2026 property tax bill for 645 Mason St, Dayton, VA was $1,981. The county assessed it at $300,200.

Closest homes

More homes in Dayton 22821

Assigned schools

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