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Single Family ResidenceResidential
$172,522$116 / 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 62How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21877 COLLEGE AVE

ROBERTSDALE, AL 36567
3
Beds
2
Baths
1,492 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$173K
$107K low$238K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$635 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$18,880 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$14,740
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$18,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$188,600

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.51
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
93
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
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.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
CountyBaldwin
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.2018
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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(1)

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
Robertsdale High SchoolA-
High · Grades 9–12 · 0.4 mi
E
Robertsdale Elementary SchoolC
Elementary · Grades KG–6 · 0.6 mi
M
Central Baldwin Middle SchoolA-
Middle · Grades 7–8 · 3.1 mi

District: Baldwin County School District

Neighborhood · ZIP 36567These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.16,552
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.65 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,557
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,505
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

21877 College 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 less than 94% of homes in Baldwin County
  • Costs less per square foot than 95% of homes in Baldwin County
  • Smaller than 65% of homes in Baldwin County
  • Older than 66% of homes in Baldwin County

What homes are worth in Robertsdale 36567

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

This home
$125K$780K

This home is worth more than 10% of homes in Robertsdale 36567.

How it measures up in Robertsdale 36567

The dot is this home. The mark in the middle is the typical home in Robertsdale 36567.

Estimated value$172,522
CheaperTypical $277,008Pricier

Pricier than 10% of homes nearby

Price per ft²$116
CheaperTypical $173Pricier

Pricier than 9% of homes nearby

Living area1,492 ft²
SmallerTypical 1,589 ft²Bigger

Bigger than 42% of homes nearby

Lot size1 ac
SmallerTypical 1 acBigger

Bigger than 47% of homes nearby

Year built1993
OlderTypical 1998Newer

Newer than 37% of homes nearby

How 21877 College Ave ranks against every home in each area.
MeasureThis homeRobertsdale 36567Baldwin County
Estimated valuepricier than$172,52210% of homes6% of homes
Price per ft²pricier than$1169% of homes5% of homes
Living areabigger than1,492 ft²42% of homes35% of homes
Lot sizebigger than1 ac47% of homes64% of homes
Year builtnewer than199337% of homes34% of homes

About 21877 College Ave

How much is 21877 College Ave, Robertsdale, AL worth?

The TopHap Estimate for 21877 College Ave, Robertsdale, AL is $172,522 as of Jul 14, 2026. The likely range is $107,330 to $237,714. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21877 College Ave, Robertsdale, AL?

21877 College Ave, Robertsdale, AL has 3 bedrooms, 2 bathrooms, 1,492 square feet of living space and a 1.00-acre lot.

When was 21877 College Ave, Robertsdale, AL built?

21877 College Ave, Robertsdale, AL was built in 1993, making it 33 years old. The building has 1 story.

What schools serve 21877 College Ave, Robertsdale, AL?

21877 College Ave, Robertsdale, AL is assigned to Robertsdale High School (high), rated A-; Robertsdale Elementary School (elementary), rated C; Central Baldwin Middle School (middle), rated A-. All sit in Baldwin County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21877 College Ave, Robertsdale, AL compare to other homes in Robertsdale 36567?

Among the 5,427 homes in Robertsdale 36567, it is worth more than 10% of them ($172,522 against a typical $277,008), its price per square foot is higher than 9% of them ($116 against a typical $173), it is bigger than 42% of them (1,492 ft² against a typical 1,589 ft²), its lot is bigger than 47% of them (1 ac against a typical 1 ac) and it is newer than 37% of them (1993 against a typical 1998). Measured against all of Baldwin County, it is worth more than 6% 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 21877 College Ave, Robertsdale, AL?

The 2024 property tax bill for 21877 College Ave, Robertsdale, AL was $635. The county assessed it at $18,880.

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