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Single Family ResidenceResidential
$44,396$39 / 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 Sep 24, 2026

663 WELWORTH ST

MOBILE, AL 36617
1
Baths
1,128 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
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

$44K
$27K low$62K high

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.$3,560 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,810
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$35,600

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
32
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.
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.0.29
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.Deck · 100 ft²Porch · 36 ft²

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 SchoolF
High · Grades 9–12 · 0.2 mi
E
Ariel W. Holloway Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi
M
Washington Middle SchoolD-
Middle · Grades 6–8 · 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

663 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 92% of homes in Mobile County
  • Costs less per square foot than 92% of homes in Mobile County
  • Smaller than 82% of homes in Mobile County
  • Has a bigger lot than 80% of homes in Gorgas

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$176K

This home is worth more than 28% 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$44,396
CheaperTypical $59,966Pricier

Pricier than 28% of homes nearby

Price per ft²$39
CheaperTypical $47Pricier

Pricier than 35% of homes nearby

Living area1,128 ft²
SmallerTypical 1,269 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.3 ac
SmallerTypical 0.19 acBigger

Bigger than 69% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 52% of homes nearby

How 663 Welworth St ranks against every home in each area.
MeasureThis homeGorgasMobile 36617Mobile County
Estimated valuepricier than$44,39628% of homes28% of homes8% of homes
Price per ft²pricier than$3933% of homes35% of homes8% of homes
Living areabigger than1,128 ft²37% of homes36% of homes18% of homes
Lot sizebigger than0.3 ac80% of homes69% of homes28% of homes
Year builtnewer than198657% of homes52% of homes41% of homes

About 663 Welworth St

How much is 663 Welworth St, Mobile, AL worth?

The TopHap Estimate for 663 Welworth St, Mobile, AL is $44,396 as of Sep 24, 2026. The likely range is $26,678 to $62,114. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 663 Welworth St, Mobile, AL last sell?

663 Welworth St, Mobile, AL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 663 Welworth St, Mobile, AL?

663 Welworth St, Mobile, AL has 1 bathrooms, 1,128 square feet of living space and a 0.29-acre lot.

When was 663 Welworth St, Mobile, AL built?

663 Welworth St, Mobile, AL was built in 1986, making it 40 years old. The building has 1 story.

What schools serve 663 Welworth St, Mobile, AL?

663 Welworth St, Mobile, AL is assigned to John L. LeFlore Magnet High School (high), rated F; Ariel W. Holloway Elementary School (elementary), rated D+; 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 663 Welworth St, Mobile, AL compare to other homes in Mobile 36617?

Among the 5,056 homes in Mobile 36617, it is worth more than 28% of them ($44,396 against a typical $59,966), its price per square foot is higher than 35% of them ($39 against a typical $47), it is bigger than 36% of them (1,128 ft² against a typical 1,269 ft²), its lot is bigger than 69% of them (0.3 ac against a typical 0.19 ac) and it is newer than 52% of them (1986 against a typical 1986). Measured against all of Mobile County, it is worth more than 8% 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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