Los Angeles County property record for 209 E Mariposa St, Altadena, CA 91001
| Property Type | Parochial School, Private School |
|---|---|
| Details | 7 bd · 9 ba · 13,195 sqft · built 1994 |
| Lot Size | 5.32 acres (231,967 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,556 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5835-041-028 |
| Primary APN | 5835-041-028 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 9 Baths |
| Units | 4 Units |
| Stories | 1 Story |
| Building Area | 13,195 sqft Total Area |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 231,967 sqft |
| Total Buildings | 5 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 209 E MARIPOSA ST |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-5133 |
| Property Category | Other |
| Property Type | Other > Parochial School, Private School |
| Local Zoning Code | LCR17500* |
| Legal Description | LOT COM AT MOST N COR OF LOT 3 SCRIPPS P LACE TH S 68 51 E 296.1 FT TH S 21 09 W 495.19 FT TH S ON A CURVE CONCAVE TO W (R=74 FT) 23.93 FT TH S 4 14 W 18.95 FT TH S ON A CURVE CONCAVE TO E (R=100 NO 25367 AND ALL OF LOT 3 SCRIPPS PLACE |
| Legal Subdivision | SCRIPPS PLACE |
| Legal Block | 5 |
| Legal Lot Number | 3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 5 |
| Census Block | 5006 |
| Census Tract | 460200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Scripps Hall listed 1999 · 6 contributing resources · NRIS 99000893 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | Company Name on Record |
|---|---|
| Mailing Address | 536 E MENDOCINO ST, ALTADENA, CA 91001-2232 |
| Owner Type | Company |
| Vesting | Company |
| 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 | $964,367 (+2%) Land $964,367 | |
| 2025 | $4,556.00 (-60.89%) | $945,458 (-54.64%) Land $945,458 |
| 2023 | $11,648.00 (+10.59%) | $2,084,369 Land $1,398,069 Building $686,300 |
| 2022 | $10,533.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 | RUBIO CANON LAND & WATER ASSOCIATION private · serves 6,646 people · EPA ID CA1910140 |
|---|---|
| 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, 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 798 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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