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Single Family ResidenceResidential
$20,367$28 / 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 60How 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 $23,000 on Jul 28, 2025

508 HELVESTON ST

MOBILE, AL 36617
1
Baths
719 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.
1988
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$20K
$12K low$28K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$23,000 · Jul 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$359 (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.$5,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$27,500

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.50
48
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
66
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
15
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 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
CountyMOBILE
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Pier/Post & Beam
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
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 169 ft²

Transaction History(6)

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
Washington Middle SchoolD-
Middle · Grades 6–8 · 0.2 mi
H
John L. LeFlore Magnet High SchoolF
High · Grades 9–12 · 0.7 mi
E
Ariel W. Holloway Elementary SchoolD+
Elementary · Grades KG–5 · 0.7 mi

District: Mobile County School District

Neighborhood · ZIP 36617These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
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.11,786
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,494 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$42,707
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$56,293
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.67 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

508 Helveston 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.

  • Among the least valuable homes in Carver
  • Costs less per square foot than 95% of homes in Mobile County
  • Smaller than 98% of homes in Carver
  • Has a smaller lot than 97% of homes in Mobile County
  • Newer than 70% of homes in Mobile 36617

What homes are worth in Mobile 36617

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

This home
$16K$181K

This home is worth more than 5% of homes in Mobile 36617.

How it measures up in Mobile 36617

The dot is this home. The mark in the middle is the typical home in Mobile 36617.

Estimated value$20,367
CheaperTypical $56,927Pricier

Pricier than 5% of homes nearby

Price per ft²$28
CheaperTypical $45Pricier

Pricier than 17% of homes nearby

Living area719 ft²
SmallerTypical 1,268 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.12 ac
SmallerTypical 0.19 acBigger

Bigger than 8% of homes nearby

Year built1988
OlderTypical 1986Newer

Newer than 70% of homes nearby

How 508 Helveston St ranks against every home in each area.
MeasureThis homeCarverMobile 36617Mobile County
Estimated valuepricier than$20,367almost no homes5% of homesalmost no homes
Price per ft²pricier than$287% of homes17% of homes5% of homes
Living areabigger than719 ft²2% of homes3% of homes2% of homes
Lot sizebigger than0.12 ac5% of homes8% of homes3% of homes
Year builtnewer than198864% of homes70% of homes48% of homes

About 508 Helveston St

How much is 508 Helveston St, Mobile, AL worth?

The TopHap Estimate for 508 Helveston St, Mobile, AL is $20,367 as of Oct 21, 2026. The likely range is $12,274 to $28,460. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 508 Helveston St, Mobile, AL last sell?

508 Helveston St, Mobile, AL last sold on Jul 28, 2025 for $23,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 508 Helveston St, Mobile, AL?

508 Helveston St, Mobile, AL has 1 bathrooms, 719 square feet of living space and a 0.12-acre lot.

When was 508 Helveston St, Mobile, AL built?

508 Helveston St, Mobile, AL was built in 1988, making it 38 years old. The building has 1 story.

What schools serve 508 Helveston St, Mobile, AL?

508 Helveston St, Mobile, AL is assigned to Washington Middle School (middle), rated D-; John L. LeFlore Magnet High School (high), rated F; Ariel W. Holloway Elementary School (elementary), rated D+. All sit in Mobile County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 508 Helveston St, Mobile, AL compare to other homes in Mobile 36617?

Among the 5,056 homes in Mobile 36617, it is worth more than 5% of them ($20,367 against a typical $56,927), its price per square foot is higher than 17% of them ($28 against a typical $45), it is bigger than 3% of them (719 ft² against a typical 1,268 ft²), its lot is bigger than 8% of them (0.12 ac against a typical 0.19 ac) and it is newer than 70% of them (1988 against a typical 1986). Measured against all of Mobile County, it is worth more than almost no 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 508 Helveston St, Mobile, AL?

The 2025 property tax bill for 508 Helveston St, Mobile, AL was $359. The county assessed it at $5,500.

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