3101 Marengo Ave, Altadena, CA 91001 Property Records

Los Angeles County property record for 3101 Marengo Ave, Altadena, CA 91001

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,584 sqft · built 1927
Lot Size	0.132 acres (5,730 sqft)
Owner	2 Trust Names on File
Tax Bill	$356 (2025)
Deeds & Mortgages	May 2021 Mortgage Jul 2018 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`5833-014-015`

Property Details

APN / Parcel Number

Primary APN	`5833-014-015`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,584 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1949
Architectural Style	Conventional
Construction Type	Wood
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	5,730 sqft (0.132 acres)
Lot Dimensions	129 ft deep x 45 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	3101 MARENGO AVE
City	ALTADENA
State	CA
Zip	91001-4401
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR175
Legal Description	TRACT # 1580 LOT COM AT NE COR OF LOT 23 TH S 30 44 W 45 FT TH N 59 11 W TO A LINE PARALLEL WITH AND DIST SE AT R/A 20 FT FROM NW LINE OF SD LOT TH NE TO NE L INE OF SD LOT TH S 59 11 E 131.09 FT TO BEG PART OF LOT 23
Legal Subdivision	1580
Legal Tract	1580
Legal Block	2
Legal Lot Number	23
Jurisdiction	LOS ANGELES CA
Township / Civil Division	PASADENA
Census Block Group	2
Census Block	2002
Census Tract	460200

Owner

3101 Marengo Ave is owner-occupied and held in a trust since April 2018.

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

Owner of Record	2 Trust Names on File
Mailing Address	3101 MARENGO AVE, ALTADENA, CA 91001-4401
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
May 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage CALTECH EMPLOYEES FCU
Jul 2, 2018	Quit Claim Deed, Transfer Quitclaim
Oct 17, 2017	Loan Modification, Mortgage · Line of Credit CALTECH EMPS FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Apr 27, 2018
Transfer Doc	0000657866
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3101 MARENGO AVE, ALTADENA, CA 91001-4401
Transaction Type	Mortgage
Record Updated	Jun 3, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3101 MARENGO AVE, ALTADENA, CA 91001-4401

Mortgage

Document Number	0000821586
Date	May 21, 2021
Instrument	21-0821586

Lender

Name	CALTECH EMPLOYEES FCU
Type	Credit Union
Address	LA CANADA FLINTRIDGE, CA 91011

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 2, 2018
Property Address	3101 MARENGO AVE, ALTADENA, CA 91001-4401
Document Number	0000657866
Instrument Date	Apr 27, 2018
Instrument	657866
Transaction Type	Transfer
Record Updated	Jul 17, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3101 MARENGO AVE ALTADENA CA 910014401, ALTADENA, CA 91001-4401

October 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	LOS ANGELES CA
Property Address	3101 MARENGO AVE, ALTADENA, CA 91001-4401
Document Number	0001209250
Instrument Date	Oct 17, 2017
Transaction Type	Mortgage
Record Updated	Oct 26, 2017
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE OFS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship

Mortgage

Document Number	0001209250
Date	Oct 23, 2017
Instrument	1209250

Lender

Name	CALTECH EMPS FCU
Type	Credit Union
Address	LA CANADA FLINTRIDGE, CA 91012-6001

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	120 Months
Due	Oct 22, 2027

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 3101 Marengo Ave was $356 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Unified School District	Pasadena Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$9,242 (+2%) Land $9,242
2025	$356.00 Homeowner's exemption	$9,061 Land $9,061
2023	$1,547.00 (+3.13%) Homeowner's exemption	$84,358 Land $13,393 Building $70,965
2022	$1,500.00

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

Flood

FEMA maps place 3101 Marengo Ave in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	1 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

Wildfire risk around 3101 Marengo Ave is moderate, ranking above 57% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 57% of the US · lower than 66% of California
Wildfire Likelihood	0.1% annual chance
Exposure	None 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 System	LINCOLN AVENUE WATER CO. private · serves 8,721 people · EPA ID CA1910063
Water Source	Surface water
Last State Inspection	Aug 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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

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