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Single Family ResidenceResidential
$145,812$76 / 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 86How 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

521 ROY ST

BILOXI, MS 39530
3
Beds
0
Baths
1,924 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
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

$146K
$126K low$166K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,451 (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.$12,984 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,984
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$86,557

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.123 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.79%
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.1 percent flood zone

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
CountyHarrison
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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
Gorenflo Elementary SchoolB
Elementary · Grades 1–4 · 0.7 mi
H
Biloxi High SchoolA
High · Grades 9–12 · 4.5 mi
M
Biloxi Junior High SchoolA
Middle · Grades 7–8 · 4.7 mi

District: Biloxi Public School District

Neighborhood · ZIP 39530These 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.148
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.31%
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.8,215
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.459 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$38,577
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$59,589
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.65 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

521 Roy 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 82% of homes in Harrison County
  • Costs less per square foot than 97% of homes in Biloxi 39530
  • Bigger than 79% of homes in Biloxi 39530
  • Has a smaller lot than 94% of homes in Harrison County
  • Older than 90% of homes in Harrison County

What homes are worth in Biloxi 39530

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

This home
$81K$727K

This home is worth more than 32% of homes in Biloxi 39530.

How it measures up in Biloxi 39530

The dot is this home. The mark in the middle is the typical home in Biloxi 39530.

Estimated value$145,812
CheaperTypical $177,859Pricier

Pricier than 32% of homes nearby

Price per ft²$76
CheaperTypical $130Pricier

Pricier than 3% of homes nearby

Living area1,924 ft²
SmallerTypical 1,329 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.12 ac
SmallerTypical 0.16 acBigger

Bigger than 24% of homes nearby

Year built1951
OlderTypical 1950Newer

Newer than 59% of homes nearby

How 521 Roy St ranks against every home in each area.
MeasureThis homeBiloxi 39530Harrison County
Estimated valuepricier than$145,81232% of homes18% of homes
Price per ft²pricier than$763% of homes5% of homes
Living areabigger than1,924 ft²79% of homes55% of homes
Lot sizebigger than0.12 ac24% of homes6% of homes
Year builtnewer than195159% of homes10% of homes

About 521 Roy St

How much is 521 Roy St, Biloxi, MS worth?

The TopHap Estimate for 521 Roy St, Biloxi, MS is $145,812 as of Sep 24, 2026. The likely range is $126,025 to $165,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Roy St, Biloxi, MS last sell?

521 Roy St, Biloxi, MS last sold on Jan 19, 2018, according to the county's recorded deed.

How big is 521 Roy St, Biloxi, MS?

521 Roy St, Biloxi, MS has 3 bedrooms and 1,924 square feet of living space.

When was 521 Roy St, Biloxi, MS built?

521 Roy St, Biloxi, MS was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 521 Roy St, Biloxi, MS?

521 Roy St, Biloxi, MS is assigned to Gorenflo Elementary School (elementary), rated B; Biloxi High School (high), rated A; Biloxi Junior High School (middle), rated A. All sit in Biloxi Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Roy St, Biloxi, MS compare to other homes in Biloxi 39530?

Among the 3,384 homes in Biloxi 39530, it is worth more than 32% of them ($145,812 against a typical $177,859), its price per square foot is higher than 3% of them ($76 against a typical $130), it is bigger than 79% of them (1,924 ft² against a typical 1,329 ft²), its lot is bigger than 24% of them (0.12 ac against a typical 0.16 ac) and it is newer than 59% of them (1951 against a typical 1950). Measured against all of Harrison County, it is worth more than 18% 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 521 Roy St, Biloxi, MS?

The 2025 property tax bill for 521 Roy St, Biloxi, MS was $1,451. The county assessed it at $12,984.

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