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Quadplex (4 Units, Any Combination)Residential
Last sold for $789,000 on Apr 15, 2004

1090 GUAYMAS CT

SANTA ROSA, CA 95401
5
Beds
2.5
Baths
5,214 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$789,000 · Apr 15, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,984 (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.$1,145,814 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,526
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$928,288
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,123,539

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.17
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.24 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.Quadplex (4 Units, Any Combination)
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.40
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.None
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, Attached
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
Helen M. Lehman Elementary SchoolD-
Elementary · Grades KG–6 · 0.6 mi
M
Hilliard Comstock Middle SchoolF
Middle · Grades 7–8 · 0.7 mi
H
Piner High SchoolC
High · Grades 9–12 · 1.8 mi

District: Santa Rosa Elementary School District

Neighborhood · ZIP 95401These 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.81
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 100.474

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.37,940
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,042
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,933
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

1090 Guaymas Ct 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.

  • Among the largest homes in Santa Rosa 95401
  • Has a bigger lot than 81% of homes in Santa Rosa 95401
  • Older than 70% of homes in Santa Rosa 95401

How it measures up in Santa Rosa 95401

The dot is this home. The mark in the middle is the typical home in Santa Rosa 95401.

Living area5,214 ft²
SmallerTypical 1,381 ft²Bigger

Bigger than almost all homes nearby

Lot size0.4 ac
SmallerTypical 0.15 acBigger

Bigger than 81% of homes nearby

Year built1968
OlderTypical 1977Newer

Newer than 30% of homes nearby

How 1090 Guaymas Ct ranks against every home in each area.
MeasureThis homeSanta Rosa 95401Sonoma County
Living areabigger than5,214 ft²almost all homesalmost all homes
Lot sizebigger than0.4 ac81% of homes75% of homes
Year builtnewer than196830% of homes33% of homes

About 1090 Guaymas Ct

When did 1090 Guaymas Ct, Santa Rosa, CA last sell?

1090 Guaymas Ct, Santa Rosa, CA last sold on Apr 15, 2004 for $789,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1090 Guaymas Ct, Santa Rosa, CA?

1090 Guaymas Ct, Santa Rosa, CA has 5 bedrooms, 2.5 bathrooms, 5,214 square feet of living space and a 0.40-acre lot.

When was 1090 Guaymas Ct, Santa Rosa, CA built?

1090 Guaymas Ct, Santa Rosa, CA was built in 1968, making it 58 years old. The building has 1 story.

What schools serve 1090 Guaymas Ct, Santa Rosa, CA?

1090 Guaymas Ct, Santa Rosa, CA is assigned to Helen M. Lehman Elementary School (elementary), rated D-; Hilliard Comstock Middle School (middle), rated F; Piner High School (high), rated C. All sit in Santa Rosa Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1090 Guaymas Ct, Santa Rosa, CA compare to other homes in Santa Rosa 95401?

Among the 9,916 homes in Santa Rosa 95401, it is bigger than almost all of them (5,214 ft² against a typical 1,381 ft²), its lot is bigger than 81% of them (0.4 ac against a typical 0.15 ac) and it is newer than 30% of them (1968 against a typical 1977). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1090 Guaymas Ct, Santa Rosa, CA?

The 2025 property tax bill for 1090 Guaymas Ct, Santa Rosa, CA was $12,984. The county assessed it at $1,145,814.

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