525 Royce St, Altadena, CA 91001 Property Records

Los Angeles County property record for 525 Royce St, Altadena, CA 91001

Property Summary

Property Type	Duplex
Details	6 bd · 2 ba · 2,920 sqft · built 1958
Lot Size	0.244 acres (10,645 sqft)
Owner	2 Individual Names on Record
Tax Bill	$8,256 (2025)
Deeds & Mortgages	Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`5828-024-034`

Property Details

APN / Parcel Number

Primary APN	`5828-024-034`

Interior

Bedrooms	6 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Units	2 Units
Stories	1 Story
Building Area	2,920 sqft Living Area

Exterior

Year Built	Built 1958
Effective Year Built	Effective 1958
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Hip
Roof Material	Gravel
Lot Area	10,645 sqft (0.244 acres)
Lot Dimensions	200 ft deep x 54 ft wide
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	525 ROYCE ST
City	ALTADENA
State	CA
Zip	91001-5216
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	LCR175
Legal Description	TRACT OF LAND OWNED BY L W GIDDINGS LOT ON NE LINE OF ROYCE ST PER OR7815-152 COM SE THEREON 159 FT FROM SE LINE OF TR # 6386 TH SE ON SD NE LINE 50 FT TH N 16 3830 E TO NW COR OF LAND DESC IN TH S 16 3830 W TO BEG PART OF LOT 9
Legal Subdivision	L W GIDDINGS SAN PASQUAL RANCHO
Legal Tract	6386
Legal Block	3
Legal Lot Number	9
Jurisdiction	LOS ANGELES CA
Township / Civil Division	PASADENA
Census Block Group	3
Census Block	3001
Census Tract	461000

Owner

Source: Los Angeles County records, as of May 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	428 W LOMA ALTA DR, ALTADENA, CA 91001-3842
Owner Type	Individual
Vesting	Joint Tenants with Right of Survivorship

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jun 17, 2020
Transfer Doc	0000810953
Record Updated	Sep 20, 2026

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 21, 2020
Property Address	525 ROYCE ST, ALTADENA, CA 91001-5216
Document Number	0000810953
Instrument Date	Jun 17, 2020
Instrument	810953
Transaction Type	Transfer
Record Updated	Jul 29, 2020
Title Company	FIRST AMERICAN TITLE COMPANY RESID', FIRST AMERICAN TITLE CO RESID'

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	428 W LOMA ALTA DR ALTADENA CA 910013842, ALTADENA, CA 91001-3842

Mortgage

Document Number	810954
Date	Jul 21, 2020
Instrument	810954

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jul 20, 2050

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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
2025	$8,256.00 (+6.09%)	$606,871 (+4.04%) Land $212,806 Building $394,065
2024	$7,782.00 (+3.15%)
2023	$7,544.00 (+3.41%)	$583,308 Land $204,544 Building $378,764
2022	$7,295.00

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

Flood

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

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% 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	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 831 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
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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