3363 Monterosa Dr, Altadena, CA 91001 Property Records

Los Angeles County property record for 3363 Monterosa Dr, Altadena, CA 91001

Property Summary

Property Type	Residential Vacant Land
Details	5 bd · 3 ba · 2,480 sqft · built 1964
Lot Size	0.247 acres (10,736 sqft)
Owner	Company Name on File
Last Sale	$790,000 (Apr 2025)
Tax Bill	$8,167 (2025)
Deeds & Mortgages	May 2021 Mortgage Jul 2022 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`5842-024-030`

Property Details

APN / Parcel Number

Primary APN	`5842-024-030`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,480 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Hip
Roof Material	Wood Shingle
Lot Area	10,736 sqft (0.247 acres)
Lot Dimensions	110 ft deep x 100 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	3363 MONTEROSA DR
City	ALTADENA
State	CA
Zip	91001-1431
Property Category	Residential
Property Type	Vacant Land > Residential
Local Zoning Code	LCR175
Legal Description	TRACT NO 27580 LOT 22
Legal Subdivision	27580
Legal Tract	27580
Legal Block	3
Legal Lot Number	22
Jurisdiction	LOS ANGELES CA
Township / Civil Division	PASADENA
Census Block Group	3
Census Block	3000
Census Tract	460200

Owner

3363 Monterosa Dr, residential vacant land, is owned by a company that bought it in April 2025.

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

Owner of Record	Company Name on File
Mailing Address	2018 CAROLWOOD DR, ARCADIA, CA 91006-1513
Owner Type	Company
Vesting	Company

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 19, 2021	Deed of Trust, Mortgage · Commercial Mortgage UNIVERSITY OF SOUTHERN CALIFORNIA
Jul 1, 2022	Intrafamily Transfer, Transfer LAWYERS TITLE, LAWYERS TITLE LA
May 19, 2021	Grant Deed, Transfer · Conventional Mortgage WINTRUST MORTGAGE
Sep 16, 2020	Deed of Trust, Mortgage · Line of Credit US BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 28, 2025 · Amount on File
Deed Sale	Apr 28, 2025 · Amount on File
Prior Sale	May 19, 2021 · Amount on File
Deed Document Number	2025276936
Prior Transfer Date	May 17, 2021
Prior Transfer Doc	0000688575
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431
Transaction Type	Mortgage
Record Updated	Nov 27, 2025
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431

Mortgage

Document Number	0000804593
Date	May 19, 2021
Instrument	21-0804593

Lender

Name	UNIVERSITY OF SOUTHERN CALIFORNIA
Type	Non-Lending Institution
Address	LOS ANGELES, CA 90007

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

July 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 1, 2022
Property Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431
Document Number	0000688575
Map Reference	MB 711 PG 17&18
Instrument Date	May 17, 2021
Instrument	22-0688575
Transaction Type	Transfer
Record Updated	Jul 14, 2022
Title Company	LAWYERS TITLE, LAWYERS TITLE LA

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	3363 MONTEROSA DR, ALTADENA, CA 91001-1431

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	May 19, 2021
Property Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431
Document Number	0000804590
Map Reference	MB 711 PG 17&18
Instrument Date	May 4, 2021
Instrument	21-0804590
Transaction Type	Transfer
Record Updated	May 28, 2021
Title Company	LAWYERS TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
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
Address	155 JAXINE DR, ALTADENA, CA 91001-3817

Mortgage

Document Number	0000804591
Date	May 19, 2021
Instrument	21-0804591

Lender

Name	WINTRUST MORTGAGE
Type	Mortgage Company

Agreement

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

Mortgage

Document Number	0000804592
Date	May 19, 2021
Instrument	21-0804592

Lender

Name	UNIVERSITY OF SOUTHERN CALIFORNIA
Type	Non-Lending Institution
Address	LOS ANGELES, CA 90007

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	SOLIDIFI TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3363 MONTEROSA DR, ALTADENA, CA 91001-1431

Mortgage

Document Number	0001123011
Date	Sep 16, 2020
Instrument	20-1123011

Lender

Name	US BANK NA
Type	Bank
Address	LA JOLLA, CA 92037

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 3363 Monterosa Dr was $8,167.

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		$805,800 (+16.39%) Land $805,800
2025	$8,167.00	$692,323 Land $692,323
2023	$19,753.00 (+3.6%)	$1,706,255 Land $1,023,753 Building $682,502
2022	$19,066.00

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

Flood

FEMA maps place 3363 Monterosa Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1978.

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
Nearby Flood Claims	1 (1978)
Most Recent Claim	Feb 1978 · tidal / storm surge

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 3363 Monterosa Dr is very high, ranking above 92% of the US, with a 1% annual chance of wildfire.

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

Wildfire Risk	Very High above 92% of the US · above 75% of California
Wildfire Likelihood	1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

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	LAS FLORES WATER CO. private · serves 2,211 people · EPA ID CA1910061
Water Source	Purchased surface water from several systems
Last State Inspection	Oct 2025
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 290 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000

May also be available: GeoLinks, Verizon.

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