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Single Family ResidenceResidential
$529,535$180 / 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 79How 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 $390,000 on Oct 11, 2022

18 SEMMES AVE

MOBILE, AL 36604
5
Beds
3 / 1
Baths
2,941 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$530K
$421K low$638K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · Oct 11, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,313 (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.$37,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$35,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$373,000

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2012
Lot (acres)The size of the land the home sits on, from county records.0.17
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.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 396 ft²Patio · 396 ft²Porch · 620 ft²

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

H
Murphy High SchoolC-
High · Grades 9–12 · 0.6 mi
E
Florence Howard Elementary SchoolB+
Elementary · Grades KG–5 · 1.4 mi
M
Calloway - Smith Middle SchoolC-
Middle · Grades 6–8 · 1.8 mi

District: Mobile County School District

Neighborhood · ZIP 36604These 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.159
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.8,864
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,344 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,156
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,916
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

18 Semmes Ave 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 more than 96% of homes in Mobile County
  • Costs more per square foot than 92% of homes in Mobile County
  • Bigger than 93% of homes in Mobile County
  • Has a smaller lot than 89% of homes in Mobile County
  • Among the oldest homes in Mobile County

What homes are worth in Mobile 36604

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

This home
$37K$690K

This home is worth more than 93% of homes in Mobile 36604.

How it measures up in Mobile 36604

The dot is this home. The mark in the middle is the typical home in Mobile 36604.

Estimated value$529,535
CheaperTypical $197,424Pricier

Pricier than 93% of homes nearby

Price per ft²$180
CheaperTypical $124Pricier

Pricier than 78% of homes nearby

Living area2,941 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 54% of homes nearby

Year built1928
OlderTypical 1985Newer

Newer than 16% of homes nearby

How 18 Semmes Ave ranks against every home in each area.
MeasureThis homeLyons ParkMobile 36604Mobile County
Estimated valuepricier than$529,53589% of homes93% of homes96% of homes
Price per ft²pricier than$18067% of homes78% of homes92% of homes
Living areabigger than2,941 ft²86% of homes89% of homes93% of homes
Lot sizebigger than0.17 ac45% of homes54% of homes11% of homes
Year builtnewer than192812% of homes16% of homesalmost no homes

About 18 Semmes Ave

How much is 18 Semmes Ave, Mobile, AL worth?

The TopHap Estimate for 18 Semmes Ave, Mobile, AL is $529,535 as of Sep 24, 2026. The likely range is $420,594 to $638,476. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Semmes Ave, Mobile, AL last sell?

18 Semmes Ave, Mobile, AL last sold on Oct 11, 2022 for $390,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 18 Semmes Ave, Mobile, AL?

18 Semmes Ave, Mobile, AL has 5 bedrooms, 3 bathrooms, 2,941 square feet of living space and a 0.17-acre lot.

When was 18 Semmes Ave, Mobile, AL built?

18 Semmes Ave, Mobile, AL was built in 1928, making it 98 years old. The building has 2 stories.

What schools serve 18 Semmes Ave, Mobile, AL?

18 Semmes Ave, Mobile, AL is assigned to Murphy High School (high), rated C-; Florence Howard Elementary School (elementary), rated B+; Calloway - Smith Middle School (middle), rated C-. All sit in Mobile County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Semmes Ave, Mobile, AL compare to other homes in Mobile 36604?

Among the 3,729 homes in Mobile 36604, it is worth more than 93% of them ($529,535 against a typical $197,424), its price per square foot is higher than 78% of them ($180 against a typical $124), it is bigger than 89% of them (2,941 ft² against a typical 1,591 ft²), its lot is bigger than 54% of them (0.17 ac against a typical 0.17 ac) and it is newer than 16% of them (1928 against a typical 1985). Measured against all of Mobile County, it is worth more than 96% 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 18 Semmes Ave, Mobile, AL?

The 2025 property tax bill for 18 Semmes Ave, Mobile, AL was $2,313. The county assessed it at $37,300.

More homes on Semmes Ave

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