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Single Family ResidenceResidential
$1,095,629$666 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $645,000 on Aug 3, 2005

3850 ROSE ST

SEAL BEACH, CA 90740
4
Beds
2
Baths
1,645 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$1.1M
$989K 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.$645,000 · Aug 3, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,872 (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.$116,061 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,382
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,679
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,786

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyORANGE
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

Transaction History(4)

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.

M
McAuliffe Middle SchoolA
Middle · Grades 6–8 · 2.3 mi
H
Los Alamitos High SchoolA
High · Grades 9–12 · 2.5 mi
E
McGaugh Elementary SchoolA
Elementary · Grades KG–5 · 3.6 mi

District: Los Alamitos Unified School District

Neighborhood · ZIP 90740These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.425

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.91%
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.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.25,304
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,911 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,164
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,678
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.75%

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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

3850 Rose 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.

  • Worth less than 82% of homes in College Park East
  • Costs more per square foot than 76% of homes in College Park East
  • Smaller than 82% of homes in College Park East
  • Has a bigger lot than 85% of homes in College Park East
  • Older than 84% of homes in College Park East

What homes are worth in Seal Beach 90740

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

This home
$432K$3.2M

This home is worth more than 21% of homes in Seal Beach 90740.

How it measures up in Seal Beach 90740

The dot is this home. The mark in the middle is the typical home in Seal Beach 90740.

Estimated value$1,095,629
CheaperTypical $1,403,468Pricier

Pricier than 21% of homes nearby

Price per ft²$666
CheaperTypical $694Pricier

Pricier than 45% of homes nearby

Living area1,645 ft²
SmallerTypical 1,986 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.13 ac
SmallerTypical 0.12 acBigger

Bigger than 78% of homes nearby

Year built1966
OlderTypical 1968Newer

Newer than 39% of homes nearby

How 3850 Rose St ranks against every home in each area.
MeasureThis homeCollege Park EastSeal Beach 90740Orange County
Estimated valuepricier than$1,095,62918% of homes21% of homes48% of homes
Price per ft²pricier than$66676% of homes45% of homes52% of homes
Living areabigger than1,645 ft²18% of homes38% of homes45% of homes
Lot sizebigger than0.13 ac85% of homes78% of homes32% of homes
Year builtnewer than196616% of homes39% of homes33% of homes

About 3850 Rose St

How much is 3850 Rose St, Seal Beach, CA worth?

The TopHap Estimate for 3850 Rose St, Seal Beach, CA is $1,095,629 as of Oct 21, 2026. The likely range is $988,532 to $1,202,726. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3850 Rose St, Seal Beach, CA last sell?

3850 Rose St, Seal Beach, CA last sold on Aug 3, 2005 for $645,000, according to the county's recorded deed.

How big is 3850 Rose St, Seal Beach, CA?

3850 Rose St, Seal Beach, CA has 4 bedrooms, 2 bathrooms, 1,645 square feet of living space and a 0.13-acre lot.

When was 3850 Rose St, Seal Beach, CA built?

3850 Rose St, Seal Beach, CA was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 3850 Rose St, Seal Beach, CA?

3850 Rose St, Seal Beach, CA is assigned to McAuliffe Middle School (middle), rated A; Los Alamitos High School (high), rated A; McGaugh Elementary School (elementary), rated A. All sit in Los Alamitos Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3850 Rose St, Seal Beach, CA compare to other homes in Seal Beach 90740?

Among the 5,611 homes in Seal Beach 90740, it is worth more than 21% of them ($1,095,629 against a typical $1,403,468), its price per square foot is higher than 45% of them ($666 against a typical $694), it is bigger than 38% of them (1,645 ft² against a typical 1,986 ft²), its lot is bigger than 78% of them (0.13 ac against a typical 0.12 ac) and it is newer than 39% of them (1966 against a typical 1968). Measured against all of Orange County, it is worth more than 48% 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 3850 Rose St, Seal Beach, CA?

The 2025 property tax bill for 3850 Rose St, Seal Beach, CA was $1,872. The county assessed it at $116,061.

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