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Triplex (3 Units, Any Combination)Residential
Last sold for $12,818 on Jun 23, 2021

831 BOYLSTON ST

PASADENA, CA 91104
3
Beds
3
Baths
2,108 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
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.$12,818 · Jun 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,330 (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.$1,310,904 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$936,360
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$374,544
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,285,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Triplex
CountyLOS ANGELES
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.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.

E
James Madison Elementary SchoolD
Elementary · Grades KG–5 · 0.4 mi
M
Octavia E. Butler Magnet Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
John Muir High SchoolC-
High · Grades 9–12 · 2.0 mi

District: Pasadena Unified School District

Neighborhood · ZIP 91104These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.610

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
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.34,066
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,920 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,577
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,737
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%

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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

831 Boylston 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.

  • Bigger than 79% of homes in Pasadena 91104
  • Has a smaller lot than 69% of homes in Olive Heights
  • Older than 97% of homes in Los Angeles County

How it measures up in Pasadena 91104

The dot is this home. The mark in the middle is the typical home in Pasadena 91104.

Living area2,108 ft²
SmallerTypical 1,556 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 38% of homes nearby

Year built1915
OlderTypical 1925Newer

Newer than 18% of homes nearby

How 831 Boylston St ranks against every home in each area.
MeasureThis homeOlive HeightsPasadena 91104Los Angeles County
Living areabigger than2,108 ft²70% of homes79% of homes72% of homes
Lot sizebigger than0.17 ac31% of homes38% of homes52% of homes
Year builtnewer than191529% of homes18% of homes3% of homes

About 831 Boylston St

When did 831 Boylston St, Pasadena, CA last sell?

831 Boylston St, Pasadena, CA last sold on Jun 23, 2021 for $12,818, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 831 Boylston St, Pasadena, CA?

831 Boylston St, Pasadena, CA has 3 bedrooms, 3 bathrooms, 2,108 square feet of living space and a 0.17-acre lot.

When was 831 Boylston St, Pasadena, CA built?

831 Boylston St, Pasadena, CA was built in 1915, making it 111 years old. It is a triplex home.

What schools serve 831 Boylston St, Pasadena, CA?

831 Boylston St, Pasadena, CA is assigned to James Madison Elementary School (elementary), rated D; Octavia E. Butler Magnet Middle School (middle), rated C; John Muir High School (high), rated C-. All sit in Pasadena Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 831 Boylston St, Pasadena, CA compare to other homes in Pasadena 91104?

Among the 8,941 homes in Pasadena 91104, it is bigger than 79% of them (2,108 ft² against a typical 1,556 ft²), its lot is bigger than 38% of them (0.17 ac against a typical 0.18 ac) and it is newer than 18% of them (1915 against a typical 1925). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 831 Boylston St, Pasadena, CA?

The 2025 property tax bill for 831 Boylston St, Pasadena, CA was $15,330. The county assessed it at $1,310,904.

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