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Single Family ResidenceResidential
$1,093,336$672 / 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 92How 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 $669,000 on Jun 3, 2019

857 RIVER BEACH RD

THE SEA RANCH, CA 95497
2
Beds
2.5
Baths
1,628 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.
0.68 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.
2
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$669,000 · Jun 3, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,492 (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.$761,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$295,832
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$465,368
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$746,276

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.20
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
72
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.68
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.Wood 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(8)

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
Horicon Elementary SchoolC-
Elementary · Grades KG–8 · 3.5 mi
H
Point Arena High SchoolD+
High · Grades 9–12 · 20.4 mi

District: Point Arena Joint Union High School District

Neighborhood · ZIP 95497These 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.196
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.454

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.45%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.38
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,867
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,988
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

857 River Beach 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 80% of homes in Sonoma County
  • Costs more per square foot than 84% of homes in Sonoma County
  • Has a bigger lot than 86% of homes in The Sea Ranch 95497
  • Older than 76% of homes in The Sea Ranch 95497

What homes are worth in The Sea Ranch 95497

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

This home
$685K$2.9M

This home is worth more than 28% of homes in The Sea Ranch 95497.

How it measures up in The Sea Ranch 95497

The dot is this home. The mark in the middle is the typical home in The Sea Ranch 95497.

Estimated value$1,093,336
CheaperTypical $1,322,331Pricier

Pricier than 28% of homes nearby

Price per ft²$672
CheaperTypical $750Pricier

Pricier than 24% of homes nearby

Living area1,628 ft²
SmallerTypical 1,782 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.68 ac
SmallerTypical 0.44 acBigger

Bigger than 86% of homes nearby

Year built1978
OlderTypical 1989Newer

Newer than 24% of homes nearby

How 857 River Beach Rd ranks against every home in each area.
MeasureThis homeThe Sea Ranch 95497Sonoma County
Estimated valuepricier than$1,093,33628% of homes80% of homes
Price per ft²pricier than$67224% of homes84% of homes
Living areabigger than1,628 ft²39% of homes54% of homes
Lot sizebigger than0.68 ac86% of homes81% of homes
Year builtnewer than197824% of homes51% of homes

About 857 River Beach Rd

How much is 857 River Beach Rd, The Sea Ranch, CA worth?

The TopHap Estimate for 857 River Beach Rd, The Sea Ranch, CA is $1,093,336 as of Sep 24, 2026. The likely range is $1,007,023 to $1,179,649. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 857 River Beach Rd, The Sea Ranch, CA last sell?

857 River Beach Rd, The Sea Ranch, CA last sold on Jun 3, 2019 for $669,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 857 River Beach Rd, The Sea Ranch, CA?

857 River Beach Rd, The Sea Ranch, CA has 2 bedrooms, 2.5 bathrooms, 1,628 square feet of living space and a 0.68-acre lot.

When was 857 River Beach Rd, The Sea Ranch, CA built?

857 River Beach Rd, The Sea Ranch, CA was built in 1978, making it 48 years old. The building has 2 stories.

What schools serve 857 River Beach Rd, The Sea Ranch, CA?

857 River Beach Rd, The Sea Ranch, CA is assigned to Horicon Elementary School (elementary), rated C-; Point Arena High School (high), rated D+. All sit in Point Arena Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 857 River Beach Rd, The Sea Ranch, CA compare to other homes in The Sea Ranch 95497?

Among the 1,701 homes in The Sea Ranch 95497, it is worth more than 28% of them ($1,093,336 against a typical $1,322,331), its price per square foot is higher than 24% of them ($672 against a typical $750), it is bigger than 39% of them (1,628 ft² against a typical 1,782 ft²), its lot is bigger than 86% of them (0.68 ac against a typical 0.44 ac) and it is newer than 24% of them (1978 against a typical 1989). Measured against all of Sonoma County, it is worth more than 80% 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 857 River Beach Rd, The Sea Ranch, CA?

The 2025 property tax bill for 857 River Beach Rd, The Sea Ranch, CA was $8,492. The county assessed it at $761,200.

More homes on River Beach Rd

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More homes in The Sea Ranch 95497

Assigned schools

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