3345 Marengo Ave, Altadena, CA 91001 Property Records

Los Angeles County property record for 3345 Marengo Ave, Altadena, CA 91001

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 3,808 sqft · built 1925
Lot Size0.549 acres (23,917 sqft)
Owner2 Individual Names on File
Last Sale$2,910,000 (Jun 2024)
Tax Bill$33,473 (2025)
Deeds & MortgagesNov 2023 Transfer
May 2021 Transfer
Flood ZoneZone X (minimal risk)
APN5833-001-009

Property Details

APN / Parcel Number

Primary APN5833-001-009

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area3,808 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1925
Effective Year BuiltEffective 1930
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area23,917 sqft (0.549 acres)
Lot Dimensions198 ft deep x 120 ft wide

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address3345 MARENGO AVE
CityALTADENA
StateCA
Zip91001-4039
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR110
Legal DescriptionTRACT # 2904 SW 120 FT OF LOT A
Legal Subdivision2904
Legal Tract2904
Legal Block1
Legal Lot NumberA
JurisdictionLOS ANGELES CA
Township / Civil DivisionPASADENA
Census Block Group1
Census Block1006
Census Tract460200

Owner

3345 Marengo Ave is owned by two individuals who bought it in June 2024.

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

Owner of Record2 Individual Names on File
Mailing Address2592 HYLER AVE, LOS ANGELES, CA 90041-2949
Owner TypeIndividual
VestingCommunity Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Nov 6, 2023Affidavit of Death of Trustee, Transfer
May 13, 2021Affidavit of Death of Trustee, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 26, 2024 · Amount on File
Deed SaleJun 26, 2024 · Amount on File
Deed Document Number2024414198
Prior Transfer DateNov 3, 1993
Prior Transfer Doc0002511868
Record UpdatedOct 29, 2026

November 2023: Affidavit of Death of Trustee, Transfer

Document TypeAffidavit of Death of Trustee
JurisdictionLOS ANGELES CA
Recording DateNov 6, 2023
Property Address3345 MARENGO AVE, ALTADENA, CA 91001-4039
Document Number0000760690
Map ReferenceMB 35 PG 28
Instrument DateNov 1, 2023
Instrument23-0760690
Transaction TypeTransfer
Record UpdatedNov 15, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address77 S LIMA ST, SIERRA MADRE, CA 91024-2317

May 2021: Affidavit of Death of Trustee, Transfer

Document TypeAffidavit of Death of Trustee
JurisdictionLOS ANGELES CA
Recording DateMay 13, 2021
Property Address3345 MARENGO AVE, ALTADENA, CA 91001-4039
Document Number0000770616
Map ReferenceMB 35 PG 28
Instrument DateApr 29, 2021
Instrument21-0770616
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3345 MARENGO AVE, ALTADENA, CA 91001-4039

Tax Assessment & Valuation

The 2025 property tax bill for 3345 Marengo Ave was $33,473.

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$1,284,894 (-56.56%) Land $1,284,894
2025$33,473.00$2,958,000 Land $2,193,000 Building $765,000
2023$3,331.00 (+3.19%) Homeowner's exemption$214,831 Land $39,555 Building $175,276
2022$3,228.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 3345 Marengo Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1995.

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 Policies4 in force
Nearby Flood Claims6 (1995–2023)
Claims Outside the SFHA6 of 6
Most Recent ClaimMar 2023 · Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides

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

Wildfire risk around 3345 Marengo Ave is high, ranking above 72% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire RiskHigh
above 72% of the US · above 48% of California
Wildfire Likelihood0.3% 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 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 Marengo Ave

Nearby Streets

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