Los Angeles County property record for 1901 Allen Ave, Altadena, CA 91001
| Property Type | Commercial Office |
|---|---|
| Details | 8,360 sqft · built 1986 |
| Lot Size | 0.455 acres (19,821 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,124 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5847-030-026 |
| Primary APN | 5847-030-026 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 8,360 sqft Total Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 19,821 sqft (0.455 acres) |
| Street Address | 1901 ALLEN AVE |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-3421 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | LCR2* |
| Legal Description | TR=6533*LOTS 1 AND LOT 2 |
| Legal Subdivision | 6533 |
| Legal Tract | 6533 |
| Legal Block | 2 |
| Legal Lot Number | 1,2 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 461200 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1901 ALLEN AVE, ALTADENA, CA 91001-3421 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,124.00 (-3.61%) | $1,597,360 (+4.04%) Land $445,444 Building $1,151,916 |
| 2023 | $3,241.00 (+25.09%) | $1,535,335 Land $428,148 Building $1,107,187 |
| 2022 | $2,591.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 | PASADENA WATER AND POWER serves 165,448 people · EPA ID CA1910124 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Mar 2023 |
| Also Mapped Here | FOOTHILL MUNICIPAL WATER DIST. |
| Lead | 2 ppb (2024–2026) 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 843 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: ConnectTo, GeoLinks, Verizon.
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