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Single Family ResidenceResidential
$426,061$321 / 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 94How 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 $99,900 on Sep 15, 1999

4425 18TH AVE SW

NAPLES, FL 34116
0
Baths
1,327 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.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$426K
$400K low$452K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$99,900 · Sep 15, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,181 (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.$125,730 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$122,425
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$366,937

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.128 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.62%
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
CountyCOLLIER
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.Masonry/Concrete Masonry Units (Cmus)
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 · 360 ft²

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.

Foreclosure Filings(1)

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

E
Golden Gate Elementary SchoolC+
Elementary · Grades PK–5 · 0.6 mi
M
Golden Gate Middle SchoolC
Middle · Grades 6–8 · 1.3 mi
H
Golden Gate High SchoolC-
High · Grades 9–12 · 1.9 mi

District: Collier County School District

Neighborhood · ZIP 34116These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.35,748
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,640 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,461
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,164
Average tempThe average temperature here across a full year.74°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

4425 18th Ave Sw 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 69% of homes in Naples 34116
  • Smaller than 71% of homes in Collier County
  • Older than 91% of homes in Collier County

What homes are worth in Naples 34116

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

This home
$143K$1.5M

This home is worth more than 31% of homes in Naples 34116.

How it measures up in Naples 34116

The dot is this home. The mark in the middle is the typical home in Naples 34116.

Estimated value$426,061
CheaperTypical $475,564Pricier

Pricier than 31% of homes nearby

Price per ft²$321
CheaperTypical $328Pricier

Pricier than 46% of homes nearby

Living area1,327 ft²
SmallerTypical 1,443 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.23 ac
SmallerTypical 0.24 acBigger

Bigger than 49% of homes nearby

Year built1974
OlderTypical 1985Newer

Newer than 10% of homes nearby

How 4425 18th Ave Sw ranks against every home in each area.
MeasureThis homeGolden GateNaples 34116Collier County
Estimated valuepricier than$426,06134% of homes31% of homes33% of homes
Price per ft²pricier than$32148% of homes46% of homes44% of homes
Living areabigger than1,327 ft²43% of homes38% of homes29% of homes
Lot sizebigger than0.23 ac58% of homes49% of homes55% of homes
Year builtnewer than197414% of homes10% of homes9% of homes

About 4425 18th Ave Sw

How much is 4425 18th Ave Sw, Naples, FL worth?

The TopHap Estimate for 4425 18th Ave Sw, Naples, FL is $426,061 as of Oct 21, 2026. The likely range is $400,136 to $451,986. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4425 18th Ave Sw, Naples, FL last sell?

4425 18th Ave Sw, Naples, FL last sold on Sep 15, 1999 for $99,900, according to the county's recorded deed.

How big is 4425 18th Ave Sw, Naples, FL?

4425 18th Ave Sw, Naples, FL has 1,327 square feet of living space and a 0.23-acre lot.

When was 4425 18th Ave Sw, Naples, FL built?

4425 18th Ave Sw, Naples, FL was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 4425 18th Ave Sw, Naples, FL?

4425 18th Ave Sw, Naples, FL is assigned to Golden Gate Elementary School (elementary), rated C+; Golden Gate Middle School (middle), rated C; Golden Gate High School (high), rated C-. All sit in Collier County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4425 18th Ave Sw, Naples, FL compare to other homes in Naples 34116?

Among the 7,703 homes in Naples 34116, it is worth more than 31% of them ($426,061 against a typical $475,564), its price per square foot is higher than 46% of them ($321 against a typical $328), it is bigger than 38% of them (1,327 ft² against a typical 1,443 ft²), its lot is bigger than 49% of them (0.23 ac against a typical 0.24 ac) and it is newer than 10% of them (1974 against a typical 1985). Measured against all of Collier County, it is worth more than 33% 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 4425 18th Ave Sw, Naples, FL?

The 2025 property tax bill for 4425 18th Ave Sw, Naples, FL was $1,181. The county assessed it at $125,730.

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