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Single Family ResidenceResidential
$862,344$573 / 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 Aug 30, 2026
Last sold for $220,000 on Mar 17, 1998

3900 SAN MARCOS PL

FULLERTON, CA 92835
3
Beds
2
Baths
1,506 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.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$862K
$795K low$930K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Mar 17, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,154 (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.$358,301 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200,051
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$158,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$351,276

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyORANGE
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.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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(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.

E
Hermosa Drive Elementary SchoolA-
Elementary · Grades KG–6 · 0.7 mi
H
Sonora High SchoolA-
High · Grades 9–12 · 0.9 mi
M
Ladera Vista Junior High School of the ArtsC-
Middle · Grades 7–8 · 3.3 mi

District: Fullerton Joint Union High School District

Neighborhood · ZIP 92835These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.358

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.26,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,290 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,373
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,282
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

3900 San Marcos Pl 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 79% of homes in Fullerton 92835
  • Costs less per square foot than 67% of homes in Orange County
  • Smaller than 80% of homes in Fullerton 92835
  • Has a smaller lot than 79% of homes in Fullerton 92835
  • Newer than 74% of homes in Fullerton 92835

What homes are worth in Fullerton 92835

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

This home
$381K$2.6M

This home is worth more than 21% of homes in Fullerton 92835.

How it measures up in Fullerton 92835

The dot is this home. The mark in the middle is the typical home in Fullerton 92835.

Estimated value$862,344
CheaperTypical $1,200,413Pricier

Pricier than 21% of homes nearby

Price per ft²$573
CheaperTypical $568Pricier

Pricier than 53% of homes nearby

Living area1,506 ft²
SmallerTypical 2,158 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.15 ac
SmallerTypical 0.21 acBigger

Bigger than 21% of homes nearby

Year built1977
OlderTypical 1968Newer

Newer than 74% of homes nearby

How 3900 San Marcos Pl ranks against every home in each area.
MeasureThis homeFullerton 92835Orange County
Estimated valuepricier than$862,34421% of homes31% of homes
Price per ft²pricier than$57353% of homes33% of homes
Living areabigger than1,506 ft²20% of homes38% of homes
Lot sizebigger than0.15 ac21% of homes51% of homes
Year builtnewer than197774% of homes56% of homes

About 3900 San Marcos Pl

How much is 3900 San Marcos Pl, Fullerton, CA worth?

The TopHap Estimate for 3900 San Marcos Pl, Fullerton, CA is $862,344 as of Aug 30, 2026. The likely range is $794,660 to $930,028. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3900 San Marcos Pl, Fullerton, CA last sell?

3900 San Marcos Pl, Fullerton, CA last sold on Mar 17, 1998 for $220,000, according to the county's recorded deed.

How big is 3900 San Marcos Pl, Fullerton, CA?

3900 San Marcos Pl, Fullerton, CA has 3 bedrooms, 2 bathrooms, 1,506 square feet of living space and a 0.15-acre lot.

When was 3900 San Marcos Pl, Fullerton, CA built?

3900 San Marcos Pl, Fullerton, CA was built in 1977, making it 49 years old. It is a traditional/old home. The building has 1 story.

What schools serve 3900 San Marcos Pl, Fullerton, CA?

3900 San Marcos Pl, Fullerton, CA is assigned to Hermosa Drive Elementary School (elementary), rated A-; Sonora High School (high), rated A-; Ladera Vista Junior High School of the Arts (middle), rated C-. All sit in Fullerton Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3900 San Marcos Pl, Fullerton, CA compare to other homes in Fullerton 92835?

Among the 7,522 homes in Fullerton 92835, it is worth more than 21% of them ($862,344 against a typical $1,200,413), its price per square foot is higher than 53% of them ($573 against a typical $568), it is bigger than 20% of them (1,506 ft² against a typical 2,158 ft²), its lot is bigger than 21% of them (0.15 ac against a typical 0.21 ac) and it is newer than 74% of them (1977 against a typical 1968). Measured against all of Orange County, it is worth more than 31% 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 3900 San Marcos Pl, Fullerton, CA?

The 2025 property tax bill for 3900 San Marcos Pl, Fullerton, CA was $4,154. The county assessed it at $358,301.

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