Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$371,506$290 / 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 95How 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
Last sold for $275,000 on Mar 31, 2020

642 ROCK ISLAND DR

DAYTON, NV 89403
3
Beds
2
Baths
1,282 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$372K
$354K low$389K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Mar 31, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$101,487
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$81,190
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.70%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$270,019
SIERRA PACIFIC MORTGAGE CO INC · recorded Mar 31, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,121 (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.$109,843 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$57,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,093
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$110,259
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$313,838

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.47
46
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
79
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
12
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountyLyon
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.None
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.Sprinklers

Transaction History(3)

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
Sutro Elementary SchoolC-
Elementary · Grades PK–6 · 0.1 mi
M
Dayton Intermediate SchoolD
Middle · Grades 7–8 · 2.3 mi
H
Dayton High SchoolC+
High · Grades 9–12 · 2.4 mi

District: Lyon County School District

Neighborhood · ZIP 89403These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.269

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.19,350
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.64 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,152
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,262
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.79%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

642 Rock Island Dr 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 90% of homes in Dayton 89403
  • Costs more per square foot than 80% of homes in Lyon County
  • Smaller than 85% of homes in Dayton 89403
  • Has a smaller lot than 96% of homes in Lyon County

What homes are worth in Dayton 89403

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

This home
$309K$804K

This home is worth more than 10% of homes in Dayton 89403.

How it measures up in Dayton 89403

The dot is this home. The mark in the middle is the typical home in Dayton 89403.

Estimated value$371,506
CheaperTypical $457,700Pricier

Pricier than 10% of homes nearby

Price per ft²$290
CheaperTypical $265Pricier

Pricier than 76% of homes nearby

Living area1,282 ft²
SmallerTypical 1,728 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.14 ac
SmallerTypical 0.28 acBigger

Bigger than 6% of homes nearby

Year built2000
OlderTypical 2003Newer

Newer than 38% of homes nearby

How 642 Rock Island Dr ranks against every home in each area.
MeasureThis homeDayton 89403Lyon County
Estimated valuepricier than$371,50610% of homes27% of homes
Price per ft²pricier than$29076% of homes80% of homes
Living areabigger than1,282 ft²15% of homes22% of homes
Lot sizebigger than0.14 ac6% of homes4% of homes
Year builtnewer than200038% of homes48% of homes

About 642 Rock Island Dr

How much is 642 Rock Island Dr, Dayton, NV worth?

The TopHap Estimate for 642 Rock Island Dr, Dayton, NV is $371,506 as of Jul 14, 2026. The likely range is $354,081 to $388,931. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 642 Rock Island Dr, Dayton, NV last sell?

642 Rock Island Dr, Dayton, NV last sold on Mar 31, 2020 for $275,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 642 Rock Island Dr, Dayton, NV?

642 Rock Island Dr, Dayton, NV has 3 bedrooms, 2 bathrooms, 1,282 square feet of living space and a 0.14-acre lot.

When was 642 Rock Island Dr, Dayton, NV built?

642 Rock Island Dr, Dayton, NV was built in 2000, making it 26 years old. The building has 1 story.

What schools serve 642 Rock Island Dr, Dayton, NV?

642 Rock Island Dr, Dayton, NV is assigned to Sutro Elementary School (elementary), rated C-; Dayton Intermediate School (middle), rated D; Dayton High School (high), rated C+. All sit in Lyon County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 642 Rock Island Dr, Dayton, NV compare to other homes in Dayton 89403?

Among the 7,500 homes in Dayton 89403, it is worth more than 10% of them ($371,506 against a typical $457,700), its price per square foot is higher than 76% of them ($290 against a typical $265), it is bigger than 15% of them (1,282 ft² against a typical 1,728 ft²), its lot is bigger than 6% of them (0.14 ac against a typical 0.28 ac) and it is newer than 38% of them (2000 against a typical 2003). Measured against all of Lyon County, it is worth more than 27% 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 642 Rock Island Dr, Dayton, NV?

The 2025 property tax bill for 642 Rock Island Dr, Dayton, NV was $2,121. The county assessed it at $109,843.

More homes on Rock Island Dr

Closest homes

More homes in Dayton 89403

Assigned schools

Explore the area

See this home in context

Open 642 Rock Island Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map