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Single Family ResidenceResidential
$61,488$83 / 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 61How 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
Last sold for $28,000 on Dec 4, 2025

866 WELWORTH ST

MOBILE, AL 36617
1
Baths
739 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$61K
$38K low$85K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$28,000 · Dec 4, 2025

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$5,580 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,020
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,790
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$27,900

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.52
53
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
30
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.16 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.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
CountyMOBILE
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Gravity
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 · 264 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
John L. LeFlore Magnet High SchoolD-
High · Grades 9–12 · 0.4 mi
E
Ariel W. Holloway Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi
M
Washington Middle SchoolD-
Middle · Grades 6–8 · 1.1 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

866 Welworth 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 87% of homes in Mobile County
  • Costs more per square foot than 90% of homes in Mobile 36617
  • Smaller than 97% of homes in Oakleigh
  • Has a smaller lot than 79% of homes in Mobile County
  • Older than 91% 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
$17K$177K

This home is worth more than 51% 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$61,488
CheaperTypical $59,829Pricier

Pricier than 51% of homes nearby

Price per ft²$83
CheaperTypical $48Pricier

Pricier than 90% of homes nearby

Living area739 ft²
SmallerTypical 1,270 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.23 ac
SmallerTypical 0.2 acBigger

Bigger than 59% of homes nearby

Year built1975
OlderTypical 1986Newer

Newer than 9% of homes nearby

How 866 Welworth St ranks against every home in each area.
MeasureThis homeOakleighMobile 36617Mobile County
Estimated valuepricier than$61,48837% of homes51% of homes13% of homes
Price per ft²pricier than$8387% of homes90% of homes30% of homes
Living areabigger than739 ft²3% of homes4% of homes3% of homes
Lot sizebigger than0.23 ac47% of homes59% of homes21% of homes
Year builtnewer than197512% of homes9% of homes17% of homes

About 866 Welworth St

How much is 866 Welworth St, Mobile, AL worth?

The TopHap Estimate for 866 Welworth St, Mobile, AL is $61,488 as of Sep 24, 2026. The likely range is $37,572 to $85,404. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 866 Welworth St, Mobile, AL last sell?

866 Welworth St, Mobile, AL last sold on Dec 4, 2025 for $28,000, according to the county's recorded deed.

How big is 866 Welworth St, Mobile, AL?

866 Welworth St, Mobile, AL has 1 bathrooms, 739 square feet of living space and a 0.23-acre lot.

When was 866 Welworth St, Mobile, AL built?

866 Welworth St, Mobile, AL was built in 1975, making it 51 years old. The building has 1 story.

What schools serve 866 Welworth St, Mobile, AL?

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

How does 866 Welworth St, Mobile, AL compare to other homes in Mobile 36617?

Among the 5,056 homes in Mobile 36617, it is worth more than 51% of them ($61,488 against a typical $59,829), its price per square foot is higher than 90% of them ($83 against a typical $48), it is bigger than 4% of them (739 ft² against a typical 1,270 ft²), its lot is bigger than 59% of them (0.23 ac against a typical 0.2 ac) and it is newer than 9% of them (1975 against a typical 1986). Measured against all of Mobile County, it is worth more than 13% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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