Duplex (2 Units, Any Combination)Residential
Last sold for $320,000 on Nov 6, 1992
400 K ST
PETALUMA, CA 94952
3
Beds
2
Baths
1,416 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
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
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$320,000 · Nov 6, 1992
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,303 (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.$546,871 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$194,802
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$352,069
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$536,149
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.37
92
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
57
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.85 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Duplex (2 Units, Any Combination)
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.15
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
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.
EHM
McNear Elementary SchoolB+
Elementary · Grades KG–6 · 0.5 mi
Petaluma High SchoolB
High · Grades 9–12 · 1.0 mi
Petaluma Junior High SchoolB-
Middle · Grades 7–8 · 1.6 mi
District: Petaluma Joint Union High School District
Neighborhood · ZIP 94952These 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.92
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 100.359
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.35,634
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.160 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,828
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,802
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%
Owner Tools
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Claim this homeData 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
400 K St 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.
- Has a bigger lot than 73% of homes in Downtown Petaluma
- Newer than 88% of homes in Downtown Petaluma
How it measures up in Petaluma 94952
The dot is this home. The mark in the middle is the typical home in Petaluma 94952.
Living area1,416 ft²
SmallerTypical 1,692 ft²Bigger
Bigger than 36% of homes nearby
Lot size0.15 ac
SmallerTypical 0.18 acBigger
Bigger than 38% of homes nearby
Year built1990
OlderTypical 1964Newer
Newer than 78% of homes nearby
| Measure | This home | Downtown Petaluma | Petaluma 94952 | Sonoma County |
|---|---|---|---|---|
| Living areabigger than | 1,416 ft² | 49% of homes | 36% of homes | 40% of homes |
| Lot sizebigger than | 0.15 ac | 73% of homes | 38% of homes | 42% of homes |
| Year builtnewer than | 1990 | 88% of homes | 78% of homes | 73% of homes |
About 400 K St
When did 400 K St, Petaluma, CA last sell?
400 K St, Petaluma, CA last sold on Nov 6, 1992 for $320,000, according to the county's recorded deed.
How big is 400 K St, Petaluma, CA?
400 K St, Petaluma, CA has 3 bedrooms, 2 bathrooms, 1,416 square feet of living space and a 0.15-acre lot.
When was 400 K St, Petaluma, CA built?
400 K St, Petaluma, CA was built in 1990, making it 36 years old. The building has 2 stories.
What schools serve 400 K St, Petaluma, CA?
400 K St, Petaluma, CA is assigned to McNear Elementary School (elementary), rated B+; Petaluma High School (high), rated B; Petaluma Junior High School (middle), rated B-. All sit in Petaluma Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 400 K St, Petaluma, CA compare to other homes in Petaluma 94952?
Among the 10,074 homes in Petaluma 94952, it is bigger than 36% of them (1,416 ft² against a typical 1,692 ft²), its lot is bigger than 38% of them (0.15 ac against a typical 0.18 ac) and it is newer than 78% of them (1990 against a typical 1964). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 400 K St, Petaluma, CA?
The 2025 property tax bill for 400 K St, Petaluma, CA was $6,303. The county assessed it at $546,871.
More homes on K St
- 317 K St3 bd · 1.5 ba · 1,463 ft² · Sold $1.3M · Oct 2024
- 312 K St3 bd · 2 ba · 1,416 ft² · Sold $1.3M · May 2024
- 315 K St2 bd · 2 ba · 1,737 ft² · Sold $665K · Jun 2021
- 326 K St3 bd · 2 ba · 1,416 ft² · Sold $633K · Jul 2013
- 407 K St$981K3 bd · 2 ba · 1,354 ft² · Sold $413K · Jan 2010
- 403 K St$978K3 bd · 2 ba · 1,440 ft² · Sold Aug 2007
- 401 K St$942K2 bd · 1.5 ba · 1,230 ft² · Sold $630K · May 2006
- 300 K St13 bd · 13 ba · 9,989 ft² · Sold $200K · Jul 1998
- 405 K St$960K3 bd · 2 ba · 1,436 ft² · Sold $249K · Oct 1994
Closest homes
- 326 K St81 ft · 3 bd · 2 ba · 1,416 ft² · Sold $633K · Jul 2013
- 827 5th St$1.3M116 ft · 3 bd · 2 ba · 1,927 ft² · Sold $81K · Dec 2006
- 831 5th St$963K149 ft · 4 bd · 1.5 ba · 1,389 ft² · Sold $825K · Sep 2018
- 312 K St159 ft · 3 bd · 2 ba · 1,416 ft² · Sold $1.3M · May 2024
- 752 Petaluma Blvd S$939K172 ft · 3 bd · 1 ba · 1,197 ft² · Sold $925K · May 2024
- 825 5th St$826K143 ft · 4 bd · 2.5 ba · 1,923 ft² · Sold $429K · Jan 2012
- 405 K St$960K180 ft · 3 bd · 2 ba · 1,436 ft² · Sold $249K · Oct 1994
- 901 5th St$784K199 ft · 2 bd · 1 ba · 958 ft² · Sold Jan 1900
More homes in Petaluma 94952
- 426 King Rd$1.7M3 bd · 2 ba · 1,366 ft² · Sold $1.5M · Oct 2026
- 254 Windsor Dr$1.4M3 bd · 2.5 ba · 2,047 ft² · Sold $1.3M · Oct 2026
- 129 Sunny Hill Dr$1.5M3 bd · 2 ba · 1,706 ft² · Sold $1.6M · Oct 2026
- 1189 Brighton View Cir$702K3 bd · 3 ba · 1,220 ft² · Sold $785K · Oct 2026
- 315 Howard St$1.5M3 bd · 2 ba · 2,726 ft² · Sold $1.9M · Oct 2026
- 51 Barn View Ct0.19 ac · Sold $1.9M · Oct 2026
- 111 Haverfield Ln$1.3M4 bd · 2.5 ba · 1,975 ft² · Sold $1.6M · Oct 2026
- 949 Mcnear Ave$1.1M4 bd · 2.5 ba · 2,446 ft² · Sold $1.2M · Oct 2026
- 1375 Gossage Ave3 bd · 2.5 ba · 1,547 ft² · Sold $2.9M · Oct 2026
- 3 Lavender Ter$1.7M4 bd · 3 ba · 2,654 ft² · Sold $1.8M · Oct 2026
- 47 Barn View Ct0.15 ac · Sold $2M · Oct 2026
- 445 Marshall Ave$1.3M3 bd · 2 ba · 1,777 ft² · Sold $1.2M · Oct 2026
Assigned schools
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