20315 Portside Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 20315 Portside Dr, Walnut, CA 91789

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,647 sqft · built 1985
Lot Size0.263 acres (11,468 sqft)
OwnerIndividual Name on File
Last Sale$500,000 (Aug 2014)
Tax Bill$8,049 (2025)
Flood ZoneZone X (minimal risk)
APN8269-037-039

Property Details

APN / Parcel Number

Primary APN8269-037-039

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,647 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1985
Effective Year BuiltEffective 1985
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof MaterialTile
Lot Area11,468 sqft (0.263 acres)
Lot Dimensions152 ft deep x 75 ft wide

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address20315 PORTSIDE DR
CityWALNUT
StateCA
Zip91789-4601
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCA11*
Legal DescriptionTR=33256 LOT 135
Legal Subdivision33256
Legal Tract33256
Legal Block3
Legal Lot Number135
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group3
Census Block3001
Census Tract408703

Owner

Source: Los Angeles County records · APN 8269-037-039

Assessment roll updated May 21, 2026 · Last verified June 2026

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

Owner of RecordIndividual Name on File
Mailing Address20315 PORTSIDE DR, WALNUT, CA 91789-4601
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleAug 14, 2014 · Amount on Record
Deed SaleAug 14, 2014 · Amount on Record
Prior SaleSep 24, 1998 · Amount on Record
Deed Document Number2014849346
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$8,049.00 (+9.73%) Homeowner's exemption$600,912 (+4.04%) Land $420,641 Building $180,271
2023$7,335.00 (+2.24%) Homeowner's exemption$577,580 Land $404,308 Building $173,272
2022$7,174.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 30, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire RiskModerate
above 48% of the US · lower than 71% of California
Wildfire Likelihood0.08% annual chance
ExposureIndirect
within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 148 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemWALNUT VALLEY WATER DISTRICT
serves 100,941 people
Water SourcePurchased surface water from several systems
Last State InspectionJun 2023
LeadUnder 1 ppb (2022–2024)
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on Portside Dr

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