646 W Altadena Dr, Altadena, CA 91001 Property Records

Los Angeles County property record for 646 W Altadena Dr, Altadena, CA 91001

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,064 sqft · built 1947
Lot Size0.201 acres (8,758 sqft)
OwnerIndividual Name on Record
Last Sale$445,000 (Dec 2004)
Tax Bill$7,404 (2025)
Flood ZoneZone X (minimal risk)
APN5829-024-015

Property Details

APN / Parcel Number

Primary APN5829-024-015

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,064 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1947
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeHip
Roof MaterialComposition Shingle
Lot Area8,758 sqft (0.201 acres)
Lot Dimensions175 ft deep x 50 ft wide

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address646 W ALTADENA DR
CityALTADENA
StateCA
Zip91001-4102
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR175
Legal DescriptionTRACT # 6489 LOT 12 BLK 1
Legal Subdivision6489
Legal Tract6489
Legal Block1
Legal Lot Number12
JurisdictionLOS ANGELES CA
Township / Civil DivisionPASADENA
Census Block Group2
Census Block2004
Census Tract460302

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address646 W ALTADENA DR, ALTADENA, CA 91001-4102
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 2, 2004 · Amount on Record
Deed SaleDec 2, 2004 · Amount on Record
Prior SaleAug 26, 2004 · Amount on Record
Deed Document Number20043113501
Prior Transfer DateJul 14, 2004
Prior Transfer Doc0002200000
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
Unified School DistrictPasadena Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$632,674 (+2%) Land $506,147 Building $126,527
2025$7,404.00 (+4.66%)$620,270 (+4.04%) Land $496,223 Building $124,047
2023$7,074.00 (+3.56%)$596,186 Land $476,955 Building $119,231
2022$6,831.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies2 in force
Nearby Flood Claims1 (1984)
Claims Outside the SFHA1 of 1
Most Recent ClaimMar 1984 · tidal / storm surge

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 50% of the US · lower than 70% of California
Wildfire Likelihood0.09% annual chance
ExposureIndirect
within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemLINCOLN AVENUE WATER CO.
private · serves 8,721 people · EPA ID CA1910063
Water SourceSurface water
Last State InspectionAug 2022
LeadUnder 1 ppb (2026–2028)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 460 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: GeoLinks, T-Mobile.

Nearby Properties on W Altadena Dr

Nearby Streets

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