Los Angeles County property record for 3375 Marengo Ave, Altadena, CA 91001
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,277 sqft · built 1955 |
| Lot Size | 0.182 acres (7,926 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $4,409 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5833-001-001 |
| Primary APN | 5833-001-001 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,277 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Construction Type | Wood |
| Lot Area | 7,926 sqft (0.182 acres) |
| Lot Dimensions | 198 ft deep x 40 ft wide |
| Heating System | Central |
|---|
| Street Address | 3375 MARENGO AVE |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-4039 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR110 |
| Legal Description | HOWELLS SUB LOT COM AT MOST E COR OF LO T A TR # 2904 TH N 30 2730 E 40 FT WIT H A UNIFORM DEPTH OF 198 FT N 59 30 30 W PART OF LOT 1 |
| Legal Subdivision | HOWELLS SUB |
| Legal Tract | 2904 |
| Legal Block | 1 |
| Legal Lot Number | A |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 460200 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3375 MARENGO AVE, ALTADENA, CA 91001-4039 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $377,693 (+2%) Land $377,693 | |
| 2025 | $4,409.00 (-53.12%) Homeowner's exemption | $370,288 (-52.65%) Land $370,288 |
| 2023 | $9,405.00 (+3.55%) Homeowner's exemption | $782,050 Land $547,552 Building $234,498 |
| 2022 | $9,083.00 |
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 | 4 in force |
| Nearby Flood Claims | 6 (1995–2023) |
| Claims Outside the SFHA | 6 of 6 |
| Most Recent Claim | Mar 2023 · Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides |
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 | Very High above 92% of the US · above 76% of California |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | LAS FLORES WATER CO. private · serves 2,211 people · EPA ID CA1910061 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 290 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
May also be available: GeoLinks, Verizon.
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