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Single Family ResidenceResidential
$1,514,602$698 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,120,000 on Feb 28, 2020

1870 ROSEMONT AVE

PASADENA, CA 91103
4
Beds
3
Baths
2,170 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.5M
$1.4M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,120,000 · Feb 28, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$1,064,602
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$851,682
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.30%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$450,000
Null Placeholder · 6.37% · recorded Jun 16, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,354 (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.$1,224,878 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$979,904
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$244,974
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,200,862

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.Conventional
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.37
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
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(5)

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.

H
John Muir High SchoolC-
High · Grades 9–12 · 0.6 mi
E
Washington Elementary STEM Magnet SchoolB-
Elementary · Grades KG–5 · 1.3 mi
M
Octavia E. Butler Magnet Middle SchoolC
Middle · Grades 6–8 · 1.4 mi

District: Pasadena Unified School District

Neighborhood · ZIP 91103These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.609

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.26,272
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,318 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,857
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,608
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1870 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.

  • Worth more than 85% of homes in Los Angeles County
  • Costs more per square foot than 73% of homes in Los Angeles County
  • Bigger than 74% of homes in Los Angeles County
  • Has a bigger lot than 80% of homes in Los Angeles County
  • Newer than 87% of homes in Pasadena 91103

What homes are worth in Pasadena 91103

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

This home
$561K$4.4M

This home is worth more than 71% of homes in Pasadena 91103.

How it measures up in Pasadena 91103

The dot is this home. The mark in the middle is the typical home in Pasadena 91103.

Estimated value$1,514,602
CheaperTypical $1,067,191Pricier

Pricier than 71% of homes nearby

Price per ft²$698
CheaperTypical $791Pricier

Pricier than 28% of homes nearby

Living area2,170 ft²
SmallerTypical 1,557 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.37 ac
SmallerTypical 0.22 acBigger

Bigger than 77% of homes nearby

Year built1980
OlderTypical 1947Newer

Newer than 87% of homes nearby

How 1870 Rosemont Ave ranks against every home in each area.
MeasureThis homePasadena 91103Los Angeles County
Estimated valuepricier than$1,514,60271% of homes85% of homes
Price per ft²pricier than$69828% of homes73% of homes
Living areabigger than2,170 ft²73% of homes74% of homes
Lot sizebigger than0.37 ac77% of homes80% of homes
Year builtnewer than198087% of homes77% of homes

About 1870 Rosemont Ave

How much is 1870 Rosemont Ave, Pasadena, CA worth?

The TopHap Estimate for 1870 Rosemont Ave, Pasadena, CA is $1,514,602 as of Jul 14, 2026. The likely range is $1,427,228 to $1,601,976. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1870 Rosemont Ave, Pasadena, CA last sell?

1870 Rosemont Ave, Pasadena, CA last sold on Feb 28, 2020 for $1,120,000, according to the county's recorded deed.

How big is 1870 Rosemont Ave, Pasadena, CA?

1870 Rosemont Ave, Pasadena, CA has 4 bedrooms, 3 bathrooms, 2,170 square feet of living space and a 0.37-acre lot.

When was 1870 Rosemont Ave, Pasadena, CA built?

1870 Rosemont Ave, Pasadena, CA was built in 1980, making it 46 years old. It is a conventional home. The building has 2 stories.

What schools serve 1870 Rosemont Ave, Pasadena, CA?

1870 Rosemont Ave, Pasadena, CA is assigned to John Muir High School (high), rated C-; Washington Elementary STEM Magnet School (elementary), rated B-; Octavia E. Butler Magnet Middle School (middle), rated C. All sit in Pasadena Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1870 Rosemont Ave, Pasadena, CA compare to other homes in Pasadena 91103?

Among the 5,735 homes in Pasadena 91103, it is worth more than 71% of them ($1,514,602 against a typical $1,067,191), its price per square foot is higher than 28% of them ($698 against a typical $791), it is bigger than 73% of them (2,170 ft² against a typical 1,557 ft²), its lot is bigger than 77% of them (0.37 ac against a typical 0.22 ac) and it is newer than 87% of them (1980 against a typical 1947). Measured against all of Los Angeles County, it is worth more than 85% 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 1870 Rosemont Ave, Pasadena, CA?

The 2025 property tax bill for 1870 Rosemont Ave, Pasadena, CA was $14,354. The county assessed it at $1,224,878.

Closest homes

More homes in Pasadena 91103

Assigned schools

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