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Duplex (2 Units, Any Combination)Residential
Last sold for $780,000 on May 31, 2018

3821 ROSEMONT AVE

MONTROSE, CA 91020
3
Beds
2
Baths
1,381 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.
1949
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$780,000 · May 31, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,116 (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.$905,252 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$696,349
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,903
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$887,503

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Floor/Wall Furnace
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
La Crescenta Elementary SchoolA-
Elementary · Grades KG–6 · 0.8 mi
H
Crescenta Valley High SchoolA
High · Grades 9–12 · 1.1 mi
M
Rosemont Middle SchoolA
Middle · Grades 7–8 · 1.1 mi

District: Glendale Unified School District

Neighborhood · ZIP 91020These 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.120
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 100.647

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.8,089
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,753 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,124
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.22 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

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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

3821 Rosemont Ave 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 smaller lot than 84% of homes in Montrose 91020
  • Older than 69% of homes in Los Angeles County

How it measures up in Montrose 91020

The dot is this home. The mark in the middle is the typical home in Montrose 91020.

Living area1,381 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.13 ac
SmallerTypical 0.2 acBigger

Bigger than 16% of homes nearby

Year built1949
OlderTypical 1955Newer

Newer than 40% of homes nearby

How 3821 Rosemont Ave ranks against every home in each area.
MeasureThis homeMontrose Verdugo CityMontrose 91020Los Angeles County
Living areabigger than1,381 ft²40% of homes37% of homes36% of homes
Lot sizebigger than0.13 ac22% of homes16% of homes22% of homes
Year builtnewer than194938% of homes40% of homes31% of homes

About 3821 Rosemont Ave

When did 3821 Rosemont Ave, Montrose, CA last sell?

3821 Rosemont Ave, Montrose, CA last sold on May 31, 2018 for $780,000, according to the county's recorded deed.

How big is 3821 Rosemont Ave, Montrose, CA?

3821 Rosemont Ave, Montrose, CA has 3 bedrooms, 2 bathrooms, 1,381 square feet of living space and a 0.13-acre lot.

When was 3821 Rosemont Ave, Montrose, CA built?

3821 Rosemont Ave, Montrose, CA was built in 1949, making it 77 years old. It is a duplex single home.

What schools serve 3821 Rosemont Ave, Montrose, CA?

3821 Rosemont Ave, Montrose, CA is assigned to La Crescenta Elementary School (elementary), rated A-; Crescenta Valley High School (high), rated A; Rosemont Middle School (middle), rated A. All sit in Glendale Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3821 Rosemont Ave, Montrose, CA compare to other homes in Montrose 91020?

Among the 1,687 homes in Montrose 91020, it is bigger than 37% of them (1,381 ft² against a typical 1,560 ft²), its lot is bigger than 16% of them (0.13 ac against a typical 0.2 ac) and it is newer than 40% of them (1949 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3821 Rosemont Ave, Montrose, CA?

The 2025 property tax bill for 3821 Rosemont Ave, Montrose, CA was $10,116. The county assessed it at $905,252.

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