Skip to content
Skip to content
TopHapOpen in map
Multi-Family Dwellings (Generic, Any Combination)Residential
$1,175,047
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 98How 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 $2,438,200 on Jun 29, 2007

1640 WINDSOR RIVER RD

WINDSOR, CA 95492
0
Baths
50.47 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$1.2M
$1.2M 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.$2,438,200 · Jun 29, 2007

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.
75
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
27
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.Multi-Family Dwellings (Generic, Any Combination)
CountySONOMA
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(20)

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
Cali Calmecac Language AcademyC+
Elementary · Grades KG–8 · 0.7 mi
H
Windsor High SchoolA-
High · Grades 9–12 · 1.1 mi

District: Windsor Unified School District

Neighborhood · ZIP 95492These 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.49
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.515

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.26,627
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,176
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,769
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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

1640 Windsor 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 Windsor 95492
  • Among the largest lots in Windsor 95492

What homes are worth in Windsor 95492

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

This home
$487K$1.6M

This home is worth more than 93% of homes in Windsor 95492.

How it measures up in Windsor 95492

The dot is this home. The mark in the middle is the typical home in Windsor 95492.

Estimated value$1,175,047
CheaperTypical $813,488Pricier

Pricier than 93% of homes nearby

Lot size50.47 ac
SmallerTypical 0.15 acBigger

Bigger than almost all homes nearby

How 1640 Windsor River Rd ranks against every home in each area.
MeasureThis homeWindsor 95492Sonoma County
Estimated valuepricier than$1,175,04793% of homes83% of homes
Lot sizebigger than50.47 acalmost all homesalmost all homes

About 1640 Windsor River Rd

How much is 1640 Windsor River Rd, Windsor, CA worth?

The TopHap Estimate for 1640 Windsor River Rd, Windsor, CA is $1,175,047 as of Jul 14, 2026. The likely range is $1,154,908 to $1,195,186. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1640 Windsor River Rd, Windsor, CA last sell?

1640 Windsor River Rd, Windsor, CA last sold on Jun 29, 2007 for $2,438,200, according to the county's recorded deed.

What schools serve 1640 Windsor River Rd, Windsor, CA?

1640 Windsor River Rd, Windsor, CA is assigned to Cali Calmecac Language Academy (elementary), rated C+; Windsor High School (high), rated A-. All sit in Windsor Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1640 Windsor River Rd, Windsor, CA compare to other homes in Windsor 95492?

Among the 8,827 homes in Windsor 95492, it is worth more than 93% of them ($1,175,047 against a typical $813,488) and its lot is bigger than almost all of them (50.47 ac against a typical 0.15 ac). Measured against all of Sonoma County, it is worth more than 83% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Windsor River Rd

Closest homes

More homes in Windsor 95492

Assigned schools

Explore the area

See this home in context

Open 1640 Windsor River Rd 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