Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$629,127$566 / 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 90How 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 $157,000 on May 10, 1996

18491 RIVERSIDE DR

EL VERANO, CA 95433
3
Beds
2
Baths
1,112 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$629K
$565K low$693K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$157,000 · May 10, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,172 (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.$255,679 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$89,565
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$166,114
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$250,666

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.38
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
58
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
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.150 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
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
El Verano Elementary SchoolC-
Elementary · Grades KG–5 · 0.1 mi
M
Altimira Middle SchoolD
Middle · Grades 6–8 · 0.7 mi
H
Sonoma Valley High SchoolB+
High · Grades 9–12 · 2.3 mi

District: Sonoma Valley Unified School District

Owner Tools

Do you own this home?
Claim this home

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

18491 Riverside 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 74% of homes in Sonoma County
  • Costs more per square foot than 71% of homes in Sonoma County
  • Smaller than 82% of homes in Sonoma County
  • Has a smaller lot than 77% of homes in Sonoma County
  • Newer than 77% of homes in ZIP 95433

What homes are worth in ZIP 95433

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

This home
$352K$2.3M

This home is worth more than 52% of homes in ZIP 95433.

How it measures up in ZIP 95433

The dot is this home. The mark in the middle is the typical home in ZIP 95433.

Estimated value$629,127
CheaperTypical $625,096Pricier

Pricier than 52% of homes nearby

Price per ft²$566
CheaperTypical $528Pricier

Pricier than 65% of homes nearby

Living area1,112 ft²
SmallerTypical 1,284 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.11 ac
SmallerTypical 0.16 acBigger

Bigger than 30% of homes nearby

Year built1978
OlderTypical 1975Newer

Newer than 77% of homes nearby

How 18491 Riverside Dr ranks against every home in each area.
MeasureThis homeZIP 95433Sonoma County
Estimated valuepricier than$629,12752% of homes26% of homes
Price per ft²pricier than$56665% of homes71% of homes
Living areabigger than1,112 ft²30% of homes18% of homes
Lot sizebigger than0.11 ac30% of homes23% of homes
Year builtnewer than197877% of homes51% of homes

About 18491 Riverside Dr

How much is 18491 Riverside Dr, El Verano, CA worth?

The TopHap Estimate for 18491 Riverside Dr, El Verano, CA is $629,127 as of Jul 14, 2026. The likely range is $565,217 to $693,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18491 Riverside Dr, El Verano, CA last sell?

18491 Riverside Dr, El Verano, CA last sold on May 10, 1996 for $157,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18491 Riverside Dr, El Verano, CA?

18491 Riverside Dr, El Verano, CA has 3 bedrooms, 2 bathrooms, 1,112 square feet of living space and a 0.12-acre lot.

When was 18491 Riverside Dr, El Verano, CA built?

18491 Riverside Dr, El Verano, CA was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 18491 Riverside Dr, El Verano, CA?

18491 Riverside Dr, El Verano, CA is assigned to El Verano Elementary School (elementary), rated C-; Altimira Middle School (middle), rated D; Sonoma Valley High School (high), rated B+. All sit in Sonoma Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18491 Riverside Dr, El Verano, CA compare to other homes in ZIP 95433?

Among the 251 homes in ZIP 95433, it is worth more than 52% of them ($629,127 against a typical $625,096), its price per square foot is higher than 65% of them ($566 against a typical $528), it is bigger than 30% of them (1,112 ft² against a typical 1,284 ft²), its lot is bigger than 30% of them (0.11 ac against a typical 0.16 ac) and it is newer than 77% of them (1978 against a typical 1975). Measured against all of Sonoma County, it is worth more than 26% 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 18491 Riverside Dr, El Verano, CA?

The 2025 property tax bill for 18491 Riverside Dr, El Verano, CA was $5,172. The county assessed it at $255,679.

More homes on Riverside Dr

Closest homes

More homes in El Verano 95433

Assigned schools

Explore the area

See this home in context

Open 18491 Riverside 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