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Single Family ResidenceResidential
$775,208
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 68How 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

21840 N RIVER RD

ALVA, FL 33920
0
Baths
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$775K
$525K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,160 (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.$389,204 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,122
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$599,742

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.37
88
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
42
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.37 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
CountyLEE
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.Shed · 48 ft²

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

E
The Alva SchoolB-
Elementary · Grades KG–8 · 0.7 mi
H
Riverdale High SchoolC
High · Grades 9–12 · 7.5 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%

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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

21840 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 93% of homes in Alva 33920
  • Has a bigger lot than 97% 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
$158K$1.2M

This home is worth more than 93% 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$775,208
CheaperTypical $379,000Pricier

Pricier than 93% of homes nearby

Lot size1.05 ac
SmallerTypical 0.24 acBigger

Bigger than 81% of homes nearby

How 21840 N River Rd ranks against every home in each area.
MeasureThis homeAlva 33920Lee County
Estimated valuepricier than$775,20893% of homes89% of homes
Lot sizebigger than1.05 ac81% of homes97% of homes

About 21840 N River Rd

How much is 21840 N River Rd, Alva, FL worth?

The TopHap Estimate for 21840 N River Rd, Alva, FL is $775,208 as of Jul 14, 2026. The likely range is $524,621 to $1,025,795. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21840 N River Rd, Alva, FL last sell?

21840 N River Rd, Alva, FL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 21840 N River Rd, Alva, FL?

21840 N River Rd, Alva, FL is assigned to The Alva School (elementary), rated B-; Riverdale High School (high), rated C. All sit in Lee County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21840 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 93% of them ($775,208 against a typical $379,000) and its lot is bigger than 81% of them (1.05 ac against a typical 0.24 ac). Measured against all of Lee County, it is worth more than 89% 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 21840 N River Rd, Alva, FL?

The 2025 property tax bill for 21840 N River Rd, Alva, FL was $4,160. The county assessed it at $389,204.

More homes on N River Rd

Closest homes

More homes in Alva 33920

Assigned schools

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