Los Angeles County property record for 4420 Commonwealth Ave, La Canada Flintridge, CA 91011
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,074 sqft · built 1936 |
| Lot Size | 0.226 acres (9,831 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $380,000 (Mar 1994) |
| Tax Bill | $8,659 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5814-019-010 |
| Primary APN | 5814-019-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,074 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 9,831 sqft (0.226 acres) |
| Lot Dimensions | 129 ft deep x 75 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 4420 COMMONWEALTH AVE |
|---|---|
| City | LA CANADA FLINTRIDGE |
| State | CA |
| Zip | 91011-3331 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LFR120000* |
| Legal Description | TRACT NO 11O81 LOT 13 BLK 2 |
| Legal Subdivision | 11 |
| Legal Tract | 11081 |
| Legal Block | 2 |
| Legal Lot Number | 13 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 460700 |
4420 Commonwealth Ave is owner-occupied and held in a trust since November 2013.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4420 COMMONWEALTH AVE, LA CANADA FLINTRIDGE, CA 91011-3331 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 10, 1994 · Amount on File |
| Deed Sale | Mar 10, 1994 · Amount on File |
| Deed Document Number | 1994479200 |
| Last Transfer Date | Nov 4, 2013 |
| Transfer Doc | 0001664134 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4420 Commonwealth Ave was $8,659 with a homeowner's exemption.
Source: Los Angeles County assessment roll, as of August 25, 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 |
|---|---|---|
| 2026 | $721,216 (+2%) Land $453,519 Building $267,697 | |
| 2025 | $8,659.00 Homeowner's exemption | $707,103 Land $444,627 Building $262,476 |
| 2023 | $8,214.00 (+3.74%) Homeowner's exemption | $679,647 Land $427,362 Building $252,285 |
| 2022 | $7,918.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4420 Commonwealth Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1998.
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.
Wildfire risk around 4420 Commonwealth Ave is low, with less than a 0.01% annual chance of wildfire.
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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