Los Angeles County property record for 3104 Marengo Ave, Altadena, CA 91001
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 640 sqft · built 1925 |
| Lot Size | 0.122 acres (5,298 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $580 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5841-010-013 |
| Primary APN | 5841-010-013 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 640 sqft Living Area |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Tudor |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 5,298 sqft (0.122 acres) |
| Lot Dimensions | 72 ft deep x 72 ft wide |
| Garage Type | Detached |
| Heating System | Floor/Wall Furnace |
|---|---|
| Water Source | Commercial |
| Street Address | 3104 MARENGO AVE |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-4402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR175 |
| Legal Description | THE PUNAHOU TRACT LOT COM S 30 32 W 50 FT FROM MOST N COR OF LOT 9 TH S 30 32 W 69 FT TH S 62 01 E 72.07 FT TH N 30 3 2 E 74.82 FT TH NW TO BEG PART OF LOT 9 |
| Legal Block | 3 |
| Legal Lot Number | 9 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 460200 |
3104 Marengo Ave, a single family home, is owned by two individuals.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 223 ORCHARD AVE, HEMET, CA 92544-4539 |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3104 Marengo Ave was $580.
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 | $32,950 (+2%) Land $32,950 | |
| 2025 | $580.00 | $32,304 Land $32,304 |
| 2023 | $1,802.00 (+3.38%) | $117,446 Land $47,769 Building $69,677 |
| 2022 | $1,743.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3104 Marengo Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1978.
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 Claims | 1 (1978) |
| Most Recent Claim | Feb 1978 · tidal / storm surge |
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 3104 Marengo Ave is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | 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 715 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 · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, T-Mobile.
5G (outdoors only) and 4G LTE
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