Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,566,043$657 / 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 Jul 14, 2026
Last sold for $319,500 on May 21, 1998

3677 RIVER RD

WINDSOR, CA 95492
3
Beds
2.5
Baths
2,385 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.
5.5 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.6M
$1.4M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$319,500 · May 21, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,061 (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.$519,531 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$179,143
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$340,388
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$509,345

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.40
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
74
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 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
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Jack London Elementary SchoolC+
Elementary · Grades KG–6 · 2.7 mi
H
Piner High SchoolC
High · Grades 9–12 · 3.0 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 4.1 mi

District: Santa Rosa High 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

3677 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 97% of homes in Windsor 95492
  • Costs more per square foot than 91% of homes in Windsor 95492
  • Bigger than 86% of homes in Windsor 95492
  • Has a bigger lot than 96% of homes in Windsor 95492
  • Older than 87% of homes 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
$485K$1.8M

This home is worth more than 97% 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$1,566,043
CheaperTypical $799,635Pricier

Pricier than 97% of homes nearby

Price per ft²$657
CheaperTypical $454Pricier

Pricier than 91% of homes nearby

Living area2,385 ft²
SmallerTypical 1,796 ft²Bigger

Bigger than 86% of homes nearby

Lot size5.5 ac
SmallerTypical 0.15 acBigger

Bigger than 96% of homes nearby

Year built1978
OlderTypical 1990Newer

Newer than 13% of homes nearby

How 3677 River Rd ranks against every home in each area.
MeasureThis homeWindsor 95492Sonoma County
Estimated valuepricier than$1,566,04397% of homes93% of homes
Price per ft²pricier than$65791% of homes83% of homes
Living areabigger than2,385 ft²86% of homes85% of homes
Lot sizebigger than5.5 ac96% of homes95% of homes
Year builtnewer than197813% of homes51% of homes

About 3677 River Rd

How much is 3677 River Rd, Windsor, CA worth?

The TopHap Estimate for 3677 River Rd, Windsor, CA is $1,566,043 as of Jul 14, 2026. The likely range is $1,445,896 to $1,686,190. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3677 River Rd, Windsor, CA last sell?

3677 River Rd, Windsor, CA last sold on May 21, 1998 for $319,500, according to the county's recorded deed.

How big is 3677 River Rd, Windsor, CA?

3677 River Rd, Windsor, CA has 3 bedrooms, 2.5 bathrooms and 2,385 square feet of living space.

When was 3677 River Rd, Windsor, CA built?

3677 River Rd, Windsor, CA was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 3677 River Rd, Windsor, CA?

3677 River Rd, Windsor, CA is assigned to Jack London Elementary School (elementary), rated C+; Piner High School (high), rated C; Hilliard Comstock Middle School (middle), rated F. All sit in Santa Rosa High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3677 River Rd, Windsor, CA compare to other homes in Windsor 95492?

Among the 8,825 homes in Windsor 95492, it is worth more than 97% of them ($1,566,043 against a typical $799,635), its price per square foot is higher than 91% of them ($657 against a typical $454), it is bigger than 86% of them (2,385 ft² against a typical 1,796 ft²), its lot is bigger than 96% of them (5.5 ac against a typical 0.15 ac) and it is newer than 13% of them (1978 against a typical 1990). Measured against all of Sonoma County, it is worth more than 93% 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 3677 River Rd, Windsor, CA?

The 2025 property tax bill for 3677 River Rd, Windsor, CA was $6,061. The county assessed it at $519,531.

More homes on River Rd

Closest homes

More homes in Windsor 95492

Assigned schools

Explore the area

See this home in context

Open 3677 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