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Single Family ResidenceResidential
$1,022,715$580 / 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 91How 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 $140,000 on Mar 18, 1994

648 DEVIRIAN PL

ALTADENA, CA 91001
2
Beds
2
Baths
1,764 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$930K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$140,000 · Mar 18, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,546 (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.$242,507 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,603
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$79,904
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$237,753

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLOS ANGELES
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1928
Lot (acres)The size of the land the home sits on, from county records.0.20
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 1.3 mi
E
Altadena Arts Magnet SchoolC+
Elementary · Grades KG–5 · 1.7 mi
M
Charles W. Eliot Arts Magnet AcademyD
Middle · Grades 6–8 · 2.0 mi

District: Pasadena Unified School District

Neighborhood · ZIP 91001These 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.56
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 100.728

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.96%
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.6.5%
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.34,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,046 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,057
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$176,224
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

648 Devirian 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 more than 67% of homes in Los Angeles County
  • Costs less per square foot than 90% of homes in Altadena
  • Has a bigger lot than 65% of homes in Los Angeles County
  • Older than 89% of homes in Los Angeles County

What homes are worth in Altadena 91001

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

This home
$651K$2.9M

This home is worth more than 40% of homes in Altadena 91001.

How it measures up in Altadena 91001

The dot is this home. The mark in the middle is the typical home in Altadena 91001.

Estimated value$1,022,715
CheaperTypical $1,123,699Pricier

Pricier than 40% of homes nearby

Price per ft²$580
CheaperTypical $709Pricier

Pricier than 11% of homes nearby

Living area1,764 ft²
SmallerTypical 1,616 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.2 ac
SmallerTypical 0.2 acBigger

Bigger than 53% of homes nearby

Year built1927
OlderTypical 1947Newer

Newer than 26% of homes nearby

How 648 Devirian Pl ranks against every home in each area.
MeasureThis homeAltadenaAltadena 91001Los Angeles County
Estimated valuepricier than$1,022,71536% of homes40% of homes67% of homes
Price per ft²pricier than$58010% of homes11% of homes54% of homes
Living areabigger than1,764 ft²58% of homes58% of homes60% of homes
Lot sizebigger than0.2 ac56% of homes53% of homes65% of homes
Year builtnewer than192726% of homes26% of homes11% of homes

About 648 Devirian Pl

How much is 648 Devirian Pl, Altadena, CA worth?

The TopHap Estimate for 648 Devirian Pl, Altadena, CA is $1,022,715 as of Aug 30, 2026. The likely range is $929,556 to $1,115,874. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 648 Devirian Pl, Altadena, CA last sell?

648 Devirian Pl, Altadena, CA last sold on Mar 18, 1994 for $140,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 648 Devirian Pl, Altadena, CA?

648 Devirian Pl, Altadena, CA has 2 bedrooms, 2 bathrooms, 1,764 square feet of living space and a 0.20-acre lot.

When was 648 Devirian Pl, Altadena, CA built?

648 Devirian Pl, Altadena, CA was built in 1927, making it 99 years old.

What schools serve 648 Devirian Pl, Altadena, CA?

648 Devirian Pl, Altadena, CA is assigned to John Muir High School (high), rated C-; Altadena Arts Magnet School (elementary), rated C+; Charles W. Eliot Arts Magnet Academy (middle), rated D. All sit in Pasadena Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 648 Devirian Pl, Altadena, CA compare to other homes in Altadena 91001?

Among the 11,174 homes in Altadena 91001, it is worth more than 40% of them ($1,022,715 against a typical $1,123,699), its price per square foot is higher than 11% of them ($580 against a typical $709), it is bigger than 58% of them (1,764 ft² against a typical 1,616 ft²), its lot is bigger than 53% of them (0.2 ac against a typical 0.2 ac) and it is newer than 26% of them (1927 against a typical 1947). Measured against all of Los Angeles County, it is worth more than 67% 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 648 Devirian Pl, Altadena, CA?

The 2025 property tax bill for 648 Devirian Pl, Altadena, CA was $3,546. The county assessed it at $242,507.

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