363 Marathon Rd, Altadena, CA 91001 Property Records

Los Angeles County property record for 363 Marathon Rd, Altadena, CA 91001

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 2,160 sqft · built 1910
Lot Size0.277 acres (12,084 sqft)
Owner2 Company Names on Record
Last Sale$1,080,000 (Dec 2015)
Tax Bill$7,249 (2025)
Flood ZoneZone X (minimal risk)
APN5833-006-025

Property Details

APN / Parcel Number

Primary APN5833-006-025

Interior

Bedrooms3 Beds
Full Baths3 Baths
Building Area2,160 sqft Living Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1912
Construction TypeWood
Lot Area12,084 sqft (0.277 acres)

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address363 MARATHON RD
CityALTADENA
StateCA
Zip91001-4426
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR175
Legal DescriptionSAN PASQUAL RANCHO LOT COM S 30 44 W 11 0 FT FROM MOST S COR OF LOT 7 TR # 1315 TH N 59 11 W 100 FT TH S 30 44 W 39.0 8 FT TH S 59 11 E 19 FT TH S 30 44 W T O NE LINE OF MARATHON RD TH SE THEREON AND NE ON NW LINE OF MARENGO AVE TO BEG
Legal SubdivisionRANCHO SAN PASQUAL
Legal Tract1315
Legal Block2
Legal Lot Number7
JurisdictionLOS ANGELES CA
Township / Civil DivisionPASADENA
Census Block Group2
Census Block2005
Census Tract460200

Owner

Source: Los Angeles County records, as of September 24, 2026

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

Owner of Record2 Company Names on Record
Mailing Address440 GEORGIAN RD, LA CANADA FLINTRIDGE, CA 91011-3554
Owner TypeCompany
VestingTrust, Personal Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 1, 2015 · Amount on Record
Deed SaleDec 1, 2015 · Amount on Record
Prior SaleMar 21, 2006 · Amount on Record
Deed Document Number20151501406
Prior Transfer DateDec 23, 2003
Prior Transfer Doc0003899253
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$643,581 (+2%) Land $643,581
2025$7,249.00 (-49.53%)$630,962 (-48.65%) Land $630,962
2023$14,363.00 (+3.6%)$1,228,850 Land $933,017 Building $295,833
2022$13,864.00

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 Policies1 in force

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 57% of the US · lower than 66% of California
Wildfire Likelihood0.1% annual chance
ExposureNone
beyond 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 SystemLAS FLORES WATER CO.
private · serves 2,211 people · EPA ID CA1910061
Water SourcePurchased surface water from several systems
Last State InspectionOct 2025
LeadUnder 1 ppb (2023–2025)
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 715 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL 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.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Marathon Rd

Nearby Streets

Search Property Records by Address or Parcel Number