255 S Oak Knoll Ave, Pasadena, CA 91101 Property Records

Los Angeles County property record for 255 S Oak Knoll Ave, Pasadena, CA 91101

Property Summary

Property TypeCare Home (Retirement, Nursing, Convalescent)
Details4 bd · 3 ba · 62,485 sqft · built 1978
Lot Size1.24 acres (54,360 sqft)
Owner2 Company Names on File
Tax Bill$80,875 (2025)
Flood ZoneZone X (minimal risk)
APN5734-023-040

Property Details

APN / Parcel Number

Primary APN5734-023-040

Interior

Bedrooms4 Beds
Full Baths3 Baths
Units103 Units
Building Area62,485 sqft

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1978
Lot Area54,360 sqft
Parking Spaces38 Parking Spaces
Total Buildings2 Buildings

Location & Zoning

Street Address255 S OAK KNOLL AVE
CityPASADENA
StateCA
Zip91101-2911
Property CategoryCommercial
Property TypeCommercial > Retail > Care Home (Retirement, Nursing, Convalescent)
Local Zoning CodePSC-
Legal Description*LAND DESC IN DOC 1437927,771229 PAR 1 T HRU 3 *TR=EMMA QUARLES SUB*LOTS 3 AND 4 AND *TR=LYMAN ALLENS SUBN PART OF LOT 5 BLK K S P TRACT*LOT 2 AND *TR=SAN PASCUAL TRACT*POR OF LOT 8 BLK K
Legal SubdivisionEMMA QUARLES SUBDIVISION
Legal Block4
Legal Lot Number3,4
JurisdictionLOS ANGELES CA
Township / Civil DivisionPASADENA
Census Block Group4
Census Block4008
Census Tract463601

Owner

255 S Oak Knoll Ave, a commercial property, is owned by a company that acquired it in August 2012.

Source: Los Angeles County records, as of August 27, 2026

Owner of Record2 Company Names on File
Mailing Address150 S LOS ROBLES AVE, 480, PASADENA, CA 91101-4622
Owner TypeCompany

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 Transfer DateAug 13, 2012
Transfer Doc0000460470
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 255 S Oak Knoll Ave was $80,875.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$5,753,526 (+2%) Land $940,195 Building $4,813,331
2025$80,875.00$5,640,712 Land $921,760 Building $4,718,952
2023$76,669.00 (+3.22%)$5,421,678 Land $885,968 Building $4,535,710
2022$74,277.00

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

Flood

FEMA maps place 255 S Oak Knoll Ave in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

The area around 255 S Oak Knoll Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemPASADENA WATER AND POWER
serves 165,448 people · EPA ID CA1910124
Water SourcePurchased surface water from several systems
Last State InspectionMar 2023
Lead2 ppb (2024–2026)
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 370 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

May also be available: GeoLinks, Starry, Verizon.

Nearby Properties on S Oak Knoll Ave

Nearby Streets

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