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Single Family ResidenceResidential
$449,202$309 / 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 96How 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 $207,978 on Mar 24, 2008

511 18TH ST SE

NAPLES, FL 34117
0
Baths
1,456 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.
1.59 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$449K
$433K low$465K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$207,978 · Mar 24, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,957 (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.$212,290 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$206,709
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,273

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.108 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 294 ft²Porch · 360 ft²

Transaction History(6)

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.

E
Palmetto Elementary SchoolA-
Elementary · Grades KG–5 · 1.7 mi
M
Cypress Palm Middle SchoolA
Middle · Grades 6–8 · 4.2 mi
H
Gulf Coast High SchoolB
High · Grades 9–12 · 9.2 mi

District: Collier County School District

Neighborhood · ZIP 34117These 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.15
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.19,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.146 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,869
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,563
Average tempThe average temperature here across a full year.75°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

511 18th St Se 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 70% of homes in Naples 34117
  • Smaller than 70% of homes in Naples 34117
  • Has a bigger lot than 90% of homes in Collier County

What homes are worth in Naples 34117

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

This home
$292K$1.4M

This home is worth more than 30% of homes in Naples 34117.

How it measures up in Naples 34117

The dot is this home. The mark in the middle is the typical home in Naples 34117.

Estimated value$449,202
CheaperTypical $517,427Pricier

Pricier than 30% of homes nearby

Price per ft²$309
CheaperTypical $308Pricier

Pricier than 51% of homes nearby

Living area1,456 ft²
SmallerTypical 1,702 ft²Bigger

Bigger than 30% of homes nearby

Lot size1.59 ac
SmallerTypical 2.27 acBigger

Bigger than 37% of homes nearby

Year built2002
OlderTypical 2000Newer

Newer than 59% of homes nearby

How 511 18th St Se ranks against every home in each area.
MeasureThis homeNaples 34117Collier County
Estimated valuepricier than$449,20230% of homes36% of homes
Price per ft²pricier than$30951% of homes41% of homes
Living areabigger than1,456 ft²30% of homes38% of homes
Lot sizebigger than1.59 ac37% of homes90% of homes
Year builtnewer than200259% of homes64% of homes

About 511 18th St Se

How much is 511 18th St Se, Naples, FL worth?

The TopHap Estimate for 511 18th St Se, Naples, FL is $449,202 as of Sep 24, 2026. The likely range is $433,109 to $465,295. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 18th St Se, Naples, FL last sell?

511 18th St Se, Naples, FL last sold on Mar 24, 2008 for $207,978, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

When was 511 18th St Se, Naples, FL built?

511 18th St Se, Naples, FL was built in 2002, making it 24 years old. The building has 1 story.

What schools serve 511 18th St Se, Naples, FL?

511 18th St Se, Naples, FL is assigned to Palmetto Elementary School (elementary), rated A-; Cypress Palm Middle School (middle), rated A; Gulf Coast High School (high), rated B. All sit in Collier County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 18th St Se, Naples, FL compare to other homes in Naples 34117?

Among the 6,298 homes in Naples 34117, it is worth more than 30% of them ($449,202 against a typical $517,427), its price per square foot is higher than 51% of them ($309 against a typical $308), it is bigger than 30% of them (1,456 ft² against a typical 1,702 ft²), its lot is bigger than 37% of them (1.59 ac against a typical 2.27 ac) and it is newer than 59% of them (2002 against a typical 2000). Measured against all of Collier County, it is worth more than 36% 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 511 18th St Se, Naples, FL?

The 2025 property tax bill for 511 18th St Se, Naples, FL was $1,957. The county assessed it at $212,290.

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Assigned schools

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