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Single Family ResidenceResidential
$682,659$188 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

17631/643 N RIVER RD

ALVA, FL 33920
4
Beds
4
Baths
3,639 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.
25.66 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$683K
$606K low$759K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,910 (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.$870,736 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$578,488
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,248
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,132
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$870,736

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.49 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
StyleThe architectural style of the home, such as ranch or colonial.Cottage
CountyLEE
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.1981
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 1,644 ft²Porch · 383 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.

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

E
River Hall Elementary SchoolD
Elementary · Grades KG–5 · 2.6 mi
H
Riverdale High SchoolC
High · Grades 9–12 · 3.6 mi
M
The Alva SchoolB-
Middle · Grades KG–8 · 3.8 mi

District: Lee County School District

Neighborhood · ZIP 33920These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.9,459
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.152 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,834
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,149
Average tempThe average temperature here across a full year.73°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%

Owner Tools

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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

17631/643 N River Rd 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 91% of homes in Alva 33920
  • Costs more per square foot than 71% of homes in Alva 33920
  • Bigger than 93% of homes in Lee County
  • Among the largest lots in Alva 33920
  • Older than 98% of homes in Lee County

What homes are worth in Alva 33920

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

This home
$83K$1.1M

This home is worth more than 91% of homes in Alva 33920.

How it measures up in Alva 33920

The dot is this home. The mark in the middle is the typical home in Alva 33920.

Estimated value$682,659
CheaperTypical $379,761Pricier

Pricier than 91% of homes nearby

Price per ft²$188
CheaperTypical $169Pricier

Pricier than 71% of homes nearby

Living area3,639 ft²
SmallerTypical 2,181 ft²Bigger

Bigger than 90% of homes nearby

Lot size25.66 ac
SmallerTypical 0.24 acBigger

Bigger than almost all homes nearby

Year built1958
OlderTypical 2006Newer

Newer than 3% of homes nearby

How 17631/643 N River Rd ranks against every home in each area.
MeasureThis homeAlva 33920Lee County
Estimated valuepricier than$682,65991% of homes86% of homes
Price per ft²pricier than$18871% of homes55% of homes
Living areabigger than3,639 ft²90% of homes93% of homes
Lot sizebigger than25.66 acalmost all homesalmost all homes
Year builtnewer than19583% of homes2% of homes

About 17631/643 N River Rd

How much is 17631/643 N River Rd, Alva, FL worth?

The TopHap Estimate for 17631/643 N River Rd, Alva, FL is $682,659 as of Aug 30, 2026. The likely range is $606,040 to $759,278. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17631/643 N River Rd, Alva, FL last sell?

17631/643 N River Rd, Alva, FL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17631/643 N River Rd, Alva, FL?

17631/643 N River Rd, Alva, FL has 4 bedrooms, 4 bathrooms and 3,639 square feet of living space.

When was 17631/643 N River Rd, Alva, FL built?

17631/643 N River Rd, Alva, FL was built in 1958, making it 68 years old. It is a cottage home. The building has 1 story.

What schools serve 17631/643 N River Rd, Alva, FL?

17631/643 N River Rd, Alva, FL is assigned to River Hall Elementary School (elementary), rated D; Riverdale High School (high), rated C; The Alva School (middle), rated B-. All sit in Lee County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17631/643 N River Rd, Alva, FL compare to other homes in Alva 33920?

Among the 4,525 homes in Alva 33920, it is worth more than 91% of them ($682,659 against a typical $379,761), its price per square foot is higher than 71% of them ($188 against a typical $169), it is bigger than 90% of them (3,639 ft² against a typical 2,181 ft²), its lot is bigger than almost all of them (25.66 ac against a typical 0.24 ac) and it is newer than 3% of them (1958 against a typical 2006). Measured against all of Lee County, it is worth more than 86% 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 17631/643 N River Rd, Alva, FL?

The 2025 property tax bill for 17631/643 N River Rd, Alva, FL was $1,910. The county assessed it at $870,736.

More homes on 17631/643 N River Rd

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