3631 Mount Lassen Ave, Rosamond, CA 93560 Property Records

Kern County property record for 3631 Mount Lassen Ave, Rosamond, CA 93560

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,369 sqft · built 1994
Lot Size	0.13 acres (5,663 sqft)
Owner	Trust Name on File
Last Sale	$150,000 (Nov 2015)
Tax Bill	$5,318 (2025)
Deeds & Mortgages	Apr 2023 Transfer Feb 2023 Transfer + 1 more
Flood Zone	Zone X (moderate risk)
APN	`472-352-04-00-9`

Property Details

APN / Parcel Number

Primary APN	`472-352-04-00-9`
Alternative APNs	`472-352-04-6` `4723520400` `47235204`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,369 sqft Living Area
Gross Area	1,855 sqft
1st Floor Area	1,369 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1994
Effective Year Built	Effective 1994
Construction Type	Frame
Lot Area	5,663 sqft (0.13 acres)
Garage Type	Attached
Garage Area	462 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	24 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Floor/Wall Furnace

Location & Zoning

Account Number	472352046
Street Address	3631 MOUNT LASSEN AVE
City	ROSAMOND
State	CA
Zip	93560-5903
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1 FPS
Legal Description	TRACT 5175 , BLOCK B , LOT 13
Legal Subdivision	5175 #B
Legal Tract	5175
Legal Block	B
Legal Lot Number	13
Jurisdiction	KERN CA
Township / Civil Division	EAST KERN
Census Block Group	1
Census Block	1001
Census Tract	5806

Owner

3631 Mount Lassen Ave is held in a trust since November 2015.

Source: Kern County records, as of August 6, 2026

Owner of Record	Trust Name on File
Mailing Address	18758 FAIRFIELD RD, PORTER RANCH, CA 91326-3917
Owner Type	Company
Vesting	Trust, Revocable 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
Apr 6, 2023	Intrafamily Transfer, Transfer
Feb 23, 2023	Affidavit of Death of Joint Tenant, Transfer
Sep 21, 2021	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 10, 2015 · Amount on File
Deed Sale	Nov 10, 2015 · Amount on File
Prior Sale	Aug 12, 2011 · Amount on File
Deed Document Number	2015157196
Prior Transfer Date	Oct 30, 1997
Prior Transfer Doc	0000146216
Record Updated	Oct 29, 2026

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	KERN CA
Recording Date	Apr 6, 2023
Property Address	3631 MOUNT LASSEN AVE, ROSAMOND, CA 93560-5903
Document Number	0000039743
Map Reference	MB 41 PG 16-19
Instrument Date	Mar 30, 2023
Instrument	223039743
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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
Relationship	Revocable Trust
Address	18614 LIGGETT ST, NORTHRIDGE, CA 91324-2922

February 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	KERN CA
Recording Date	Feb 23, 2023
Property Address	3631 MOUNT LASSEN AVE, ROSAMOND, CA 93560-5903
Document Number	0000021486
Map Reference	MB 41 PG 16-19
Instrument Date	Jan 11, 2023
Instrument	223021486
Transaction Type	Transfer
Record Updated	Mar 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	18614 LIGGETT ST, NORTHRIDGE, CA 91324-2922

September 2021: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	KERN CA
Recording Date	Sep 21, 2021
Property Address	3631 MOUNT LASSEN AVE, ROSAMOND, CA 93560-5903
Document Number	0000178903
Map Reference	MB 41 PG 16-19
Instrument Date	Aug 13, 2021
Instrument	221178903
Transaction Type	Transfer
Record Updated	Nov 7, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	18614 LIGGETT ST, NORTHRIDGE, CA 91324-2922

Tax Assessment & Valuation

The 2025 property tax bill for 3631 Mount Lassen Ave was $5,318.

Source: Kern County assessment roll, as of August 6, 2026

Property Jurisdictions

Type	Name
State	California
County	Kern County
Unified School District	Southern Kern Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$297,253 (+2%) Land $38,979 Building $258,274
2025	$5,318.00	$291,425 Land $38,215 Building $253,210
2023	$4,853.00 (+45.47%)	$281,784 Land $37,066 Building $244,718
2022	$3,336.00

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

Flood

FEMA maps place 3631 Mount Lassen Ave in Zone X, an area of moderate flood risk.

Source: FEMA National Flood Hazard Layer, effective April 30, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	2 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 3631 Mount Lassen Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	0.01% 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	ROSAMOND CSD serves 18,150 people · EPA ID CA1510018
Water Source	Purchased surface water from ANTELOPE VALLEY E KERN WTR AGY-ROSAMOND
Last State Inspection	Oct 2025
Also Mapped Here	ANTELOPE VALLEY EAST KERN WATER AGENCY
Lead	Under 1 ppb (2022–2024) 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 219 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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