551 Royce St, Altadena, CA 91001 Property Records

Los Angeles County property record for 551 Royce St, Altadena, CA 91001

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 1,956 sqft · built 1940
Lot Size0.228 acres (9,948 sqft)
Owner2 Individual Names on File
Last Sale$1,035,000 (Sep 2021)
Tax Bill$13,018 (2025)
Deeds & MortgagesSep 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN5828-024-012

Property Details

APN / Parcel Number

Primary APN5828-024-012

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,956 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1974
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeHip
Roof MaterialWood Shingle
Lot Area9,948 sqft (0.228 acres)
Lot Dimensions200 ft deep x 50 ft wide
Garage TypeAttached

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address551 ROYCE ST
CityALTADENA
StateCA
Zip91001-5216
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR175
Legal DescriptionTRACT OF LAND OWNED BY L W GIDDINGS LOT COM ON NE LINE OF ROYCE ST NW 227.3 FT F ROM SE LINE OF LOT 9 TH NW ON SD NE LINE 50 FT WITH A UNIFORM DEPTH OF 200 FT N 16 3830 E PART OF LOT 9
Legal SubdivisionTHE RANCHO SAN PASQUAL
Legal Block3
Legal Lot Number9
JurisdictionLOS ANGELES CA
Township / Civil DivisionPASADENA
Census Block Group3
Census Block3001
Census Tract461000

Owner

551 Royce St is owned and occupied by two individuals who bought it in September 2021.

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

Owner of Record2 Individual Names on File
Mailing Address551 ROYCE ST, ALTADENA, CA 91001-5216
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 29, 2021 · Amount on File
Deed SaleSep 29, 2021 · Amount on File
Prior SaleFeb 25, 2004 · Amount on File
Deed Document Number20211481159
Prior Transfer DateJun 19, 2012
Prior Transfer Doc0000963239
Record UpdatedOct 29, 2026

September 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateSep 29, 2021
Property Address551 ROYCE ST, ALTADENA, CA 91001-5216
Document Number0001481159
Map ReferenceMB 5 PG 106&107
Instrument DateAug 12, 2021
Instrument21-1481159
Transaction TypeTransfer
Record UpdatedOct 6, 2021
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address551 ROYCE ST, ALTADENA, CA 91001-5216

Mortgage

Document Number0001481160
DateSep 29, 2021
Instrument21-1481160
Lender
NameDIGNIFIED HOME LOANS
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueOct 1, 2036

Tax Assessment & Valuation

The 2025 property tax bill for 551 Royce St was $13,018 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
Unified School DistrictPasadena Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,120,315 (+2%) Land $896,253 Building $224,062
2025$13,018.00 Homeowner's exemption$1,098,349 Land $878,680 Building $219,669
2023$12,392.00 (+3.59%) Homeowner's exemption$1,055,700 Land $844,560 Building $211,140
2022$11,962.00

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

Flood

FEMA maps place 551 Royce St 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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 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 551 Royce St is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

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 SystemLINCOLN AVENUE WATER CO.
private · serves 8,721 people · EPA ID CA1910063
Water SourceSurface water
Last State InspectionAug 2022
LeadUnder 1 ppb (2026–2028)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 659 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless 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.

Nearby Properties on Royce St

Nearby Streets

Search Property Records by Address or Parcel Number