1091 E Mariposa St, Altadena, CA 91001 Property Records

Los Angeles County property record for 1091 E Mariposa St, Altadena, CA 91001

Property Summary

Property Type	Residential Vacant Land
Details	3 bd · 2 ba · 1,415 sqft · built 1960
Lot Size	0.232 acres (10,097 sqft)
Owner	Company Name on Record
Last Sale	$680,000 (Nov 2025)
Tax Bill	$568 (2025)
Deeds & Mortgages	Jun 2026 Sale Nov 2025 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`5846-005-018`

Property Details

APN / Parcel Number

Primary APN	`5846-005-018`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,415 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Gravel
Lot Area	10,097 sqft (0.232 acres)
Lot Dimensions	173 ft deep x 60 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1091 E MARIPOSA ST
City	ALTADENA
State	CA
Zip	91001-2051
Property Category	Residential
Property Type	Vacant Land > Residential
Local Zoning Code	LCR175
Legal Description	TRACT # 3168 LOT 103
Legal Subdivision	3168
Legal Tract	3168
Legal Block	4
Legal Lot Number	103
Jurisdiction	LOS ANGELES CA
Township / Civil Division	PASADENA
Census Block Group	4
Census Block	4002
Census Tract	460101

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 Record	Company Name on Record
Mailing Address	181 ROYAL, LAKE FOREST, CA 92630-8494
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Jun 26, 2026	Grant Deed, Transfer ACCOMMODATION/COURTESY RECORDI
Nov 10, 2025	Intrafamily Transfer, Transfer
Nov 10, 2025	Intrafamily Transfer, Transfer FIRST AMERICAN TITLE, FATCO
Nov 10, 2025	Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 10, 2025 · Amount on Record
Deed Sale	Nov 10, 2025 · Amount on Record
Deed Document Number	2025786180
Prior Transfer Date	Aug 10, 1999
Prior Transfer Doc	0001529315
Record Updated	Oct 29, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 26, 2026
Property Address	1091 E MARIPOSA ST, ALTADENA, CA 91001-2051
Document Number	0000467359
Instrument Date	Jun 8, 2026
Instrument	2026467359
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	ACCOMMODATION/COURTESY RECORDI

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	181 ROYAL, LAKE FOREST, CA 92630-8494

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 10, 2025
Property Address	1091 E MARIPOSA ST, ALTADENA, CA 91001-2051
Document Number	0000786182
Map Reference	MB 33 PG 42
Instrument Date	Nov 4, 2025
Instrument	25-0786182
Transaction Type	Transfer
Record Updated	Nov 27, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	181 ROYAL, LAKE FOREST, CA 92630-8494

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 10, 2025
Property Address	1091 E MARIPOSA ST, ALTADENA, CA 91001-2051
Document Number	0000786181
Map Reference	MB 33 PG 42
Instrument Date	Oct 31, 2025
Instrument	25-0786181
Transaction Type	Transfer
Record Updated	Nov 27, 2025
Title Company	FIRST AMERICAN TITLE, FATCO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	181 ROYAL, LAKE FOREST, CA 92630-8494

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 10, 2025
Property Address	1091 E MARIPOSA ST, ALTADENA, CA 91001-2051
Document Number	0000786180
Map Reference	MB 33 PG 42
Instrument Date	Oct 24, 2025
Instrument	25-0786180
Transaction Type	Transfer
Record Updated	Nov 27, 2025
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	181 ROYAL, LAKE FOREST, CA 92630-8494

Tax Assessment & Valuation

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		$680,000 (+2,417.96%) Land $680,000
2025	$568.00 (-64.48%) Homeowner's exemption	$27,006 (-69.22%) Land $27,006
2023	$1,599.00 (+3.09%) Homeowner's exemption	$87,731 Land $39,938 Building $47,793
2022	$1,551.00

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

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.08% 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	RUBIO CANON LAND & WATER ASSOCIATION private · serves 6,646 people · EPA ID CA1910140
Water Source	Surface water
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2023–2025) 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 634 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
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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