Listed on the National Register of Historic Places in 1985. 21 historic topographic surveys show this location, the earliest from 1897.
“Lantarnam Hall is a historic mansion in Los Altos Hills, California. It was built in 1914 to 1916 for Percy Morgan, a director of Wells Fargo and trustee of Stanford University.”
Wikipedia article Lantarnam Hall, CC BY-SA 4.0.
One of 117 National Register listings published here for Santa Clara County · listed in 1985 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 168 fires within 5 miles of Lantarnam Hall between 1992 and 2020, burning about 275 acres in total. 1 started naturally. 17 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 81 |
| Equipment and vehicle use | 27 |
| Arson/incendiarism | 17 |
| Smoking | 14 |
| Power generation/transmission/distribution | 11 |
| Misuse of fire by a minor | 9 |
| Debris and open burning | 6 |
| Recreation and ceremony | 1 |
| Railroad operations and maintenance | 1 |
| Natural | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 7 September 2009 | Arson/incendiarism | under an acre | California Department of Forestry & Fire Protection | not named |
| 4 September 2018 | Misuse of fire by a minor | under an acre | California Department of Forestry & Fire Protection | not named |
| 30 September 2017 | Equipment and vehicle use | under an acre | California Department of Forestry & Fire Protection | not named |
| 30 September 2010 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
| 28 September 2009 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
| 27 September 2017 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
| 26 September 2011 | Missing data/not specified/undetermined | 1.0 acres | Santa Clara Unit | not named |
| 26 September 2008 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 30 workings within 5 miles of Lantarnam Hall: 16 producers, 7 past producers, 4 unknowns, 2 prospects. 16 still produce. What was taken out: Stone, Crushed/Broken, Stone, Calcium, Clay. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Permanente Cement Plant | Limestone, General, Clay | Producer | ||
| Permanente Quarry | Calcium, Clay, Limestone, General | Producer | ||
| Permanente Cement Co. | Calcium, Clay | Past Producer | Sedimentary | |
| Stevens Creek Quarry | Sand and Gravel, Construction | Unknown | ||
| Stevens Creek Quarry | Sand and Gravel, Construction | Unknown | ||
| Bond | Calcium | Prospect | ||
| Permanente Cement Plant | Calcium | Producer | ||
| Winship | Calcium | Prospect | ||
| Bahr & Ledoyen, Inc. | Stone | Producer | ||
| Bahr & Ledoyen, Inc. | Stone | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Los Altos Hills, the town this property stands in, in 2 storm reports between 2017 and 2025: 1 debris flow, 1 thunderstorm wind. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| December 2025 | Thunderstorm Wind | Los Altos Hills | - | The PG&E station on Black Mountain reported a gust of 75 mph. |
| February 2017 | Debris Flow | Los Altos Hills | - | Mud/dirt/rock slide blocking south bound lanes Skyline Dr at Alpine. |
United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.
Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Willard Griffin House and Carriage House | 0.4 miles | 1977 |
 | Paul Shoup House | 1.1 miles | 2011 |
 | Mountain View Adobe | 3.7 miles | 2002 |
 | Greenmeadow | 3.9 miles | 2005 |
 | Picchetti Brothers Winery | 4.7 miles | 1979 |
 | Hanna-Honeycomb House | 4.7 miles | 1978 |
| National Archives record | The nomination case file for reference 85003189 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Santa Clara County | All 117 listed properties in this county. |
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