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Photograph of Casa De Tableta
Photograph by W Nowicki, CC BY 3.0. Via Wikimedia Commons.

Casa de Tableta

Listed on the National Register of Historic Places in 1973. 22 historic topographic surveys show this location, the earliest from 1897.

From the record

One of 63 National Register listings published here for San Mateo County · listed in 1973 · category: Building.

Sources: the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article

The listing

  • What is counted as historic. The nomination lists 1 building as contributing to the listing.
  • Address. 3915 Alpine Rd., Portola Valley, 94028
  • When was it listed? August 1973
  • Category. building
  • Census division. San Mateo
  • National Register reference number. 73000447 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Then and now

1897 to 1997

The ground this property stands on, surveyed 100 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering Casa de Tableta, surveyed 1997
Topographic sheet covering Casa de Tableta, surveyed 1897

Fires near this property

171 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 171 fires within 5 miles of Casa de Tableta between 1992 and 2020, burning about 110 acres in total. 1 started naturally. 12 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/undetermined93
Equipment and vehicle use37
Arson/incendiarism12
Smoking10
Misuse of fire by a minor9
Debris and open burning6
Power generation/transmission/distribution3
Natural1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
6 September 2013Equipment and vehicle use1.2 acresSan Mateo-Santa Cruz UnitALPINE
5 September 2020Arson/incendiarismunder an acreSan Mateo-Santa Cruz UnitCONTROL BURN
30 September 2018Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire ProtectionNB HWY 280 / SAND HILL R
3 September 2000Equipment and vehicle use2.0 acresSan Mateo-Santa Cruz UnitRAPLEY
28 September 2009Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
25 September 2006Equipment and vehicle use1.0 acresSan Mateo-Santa Cruz UnitRUSSIAN
23 September 2020Missing data/not specified/undetermined1.0 acresSan Mateo-Santa Cruz Unitnot named
2 September 2008Missing data/not specified/undetermined2.0 acresSan Mateo-Santa Cruz UnitWINDY HILL PICNIC AREA 11

Every fire recorded in San Mateo County

Mines and quarries near this property

10 of 22 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 22 workings within 5 miles of Casa de Tableta: 11 producers, 6 past producers, 4 unknowns, 1 prospect. 11 still produce. What was taken out: Stone, Stone, Crushed/Broken, Gold, Silver. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
BondCalciumProspect
J. M. MacdonoughGold, Lead, SilverUnknown
J.M. Macdonough RanchGold, Silver, LeadPast ProducerGold
Adobe Creek QuarryStone, Crushed/BrokenProducer
Adobe Creek QuarryStone, Crushed/BrokenPast Producer
Langley Hill QuarryStone, Crushed/BrokenProducer
Patton MillStone, Crushed/BrokenProducer
Patton QuarryStone, Crushed/BrokenProducer
Sondgrath Bros.Stone, Crushed/BrokenProducer
Sondgrath Bros.Stone, Crushed/BrokenPast Producer

Every working recorded in San Mateo County

Maps showing this location

22 surveys

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.

Listed places nearby

6 within 8 miles

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 PropertyDistance Listed
Portola Valley School1.9 miles1974
Our Lady of the Wayside2.2 miles1977
Folger Estate Stable Historic District4.0 miles2004
Independence Hall4.9 miles1978
Menlo Park Railroad Station5.0 miles1974
Commodore James Watkins House5.1 miles2008

Sources for this property

National Archives recordThe nomination case file for reference 73000447 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
San Mateo CountyAll 63 listed properties in this county.

Provenance

  • Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
  • Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
  • How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
  • Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
  • Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.