Los Angeles County property record for 4344 Commonwealth Ave, La Canada Flintridge, CA 91011
| Property Type | Duplex |
|---|---|
| Details | 7 bd · 7 ba · 4,979 sqft · built 1941 |
| Lot Size | 0.537 acres (23,389 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $13,524 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5814-021-006 |
| Primary APN | 5814-021-006 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 7 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 4,979 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 23,389 sqft (0.537 acres) |
| Lot Dimensions | 308 ft deep x 75 ft wide |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Septic |
| Water Source | Commercial |
| Street Address | 4344 COMMONWEALTH AVE |
|---|---|
| City | LA CANADA FLINTRIDGE |
| State | CA |
| Zip | 91011-3329 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | LFR120000* |
| Legal Description | FLINTRIDGE S 75 FT OF LOT 3 BLK 19 |
| Legal Subdivision | FLINTRIDGE |
| Legal Block | 19 |
| Legal Lot Number | 3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 460700 |
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 | 4344 COMMONWEALTH AVE, LA CANADA FLINTRIDGE, CA 91011-3329 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 22, 2003 |
| Transfer Doc | 0003902124 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | La Cañada Flintridge City |
| Unified School District | La Cañada Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $13,524.00 (+4.89%) Homeowner's exemption | $1,086,424 (+4.04%) Land $208,300 Building $878,124 |
| 2024 | $12,893.00 (+2.05%) | |
| 2023 | $12,634.00 (+3.66%) Homeowner's exemption | $1,044,238 Land $200,212 Building $844,026 |
| 2022 | $12,188.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 Policies | 2 in force |
| Nearby Flood Claims | 6 (1998–2025) |
| Claims Outside the SFHA | 5 of 6 |
| Most Recent Claim | Dec 2025 · rainfall accumulation |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | VALLEY WATER CO. private · serves 10,113 people · EPA ID CA1910166 |
|---|---|
| Water Source | Purchased surface water from FOOTHILL MUNICIPAL WATER DIST. |
| Lead | Under 1 ppb (2020–2022) action level 15 ppb |
| 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.
Source: FCC Broadband Data Collection, based on 327 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks.
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