Los Angeles County property record for 836 E Mariposa St, Altadena, CA 91001
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 5,216 sqft · built 1930 |
| Lot Size | 0.113 acres (4,909 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $770 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5845-018-001 |
| Primary APN | 5845-018-001 |
|---|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 4 Units |
| Stories | 1 Story |
| Building Area | 5,216 sqft Living Area |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Quadruplex |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 4,909 sqft (0.113 acres) |
| Cooling System | HVAC |
|---|
| Street Address | 836 E MARIPOSA ST |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-2421 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | LCC3* |
| Legal Description | MAP 1 ALTADENA NW 50 FT OF NE 100 FT OF LOT 1 BLK 2 |
| Legal Subdivision | ALTADENA MAP #1 |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 461100 |
Source: Los Angeles County records · APN 5845-018-001
Assessment roll updated May 21, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 525 E OLIVE AVE, N, MONROVIA, CA 91016-3558 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | May 04, 2007 |
| Transfer Doc | 0001110109 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $770.00 (-70.78%) | $19,739 (-77.22%) Land $19,739 |
| 2023 | $2,635.00 (+2.65%) | $86,651 Land $29,188 Building $57,463 |
| 2022 | $2,567.00 |
Source: FEMA National Flood Hazard Layer as of September 30, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Verizon.
Based on FCC filings for 634 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | RUBIO CANON LAND & WATER ASSOCIATION private · serves 6,646 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2022 |
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures