BlockBefore
Photograph of X-100
Photograph by Yngvadottir, CC BY-SA 4.0. Via Wikimedia Commons.

X-100

Listed on the National Register of Historic Places in 2016. 22 historic topographic surveys show this location, the earliest from 1892.

From the record

“The X-100 is an experimental steel house designed by A. Quincy Jones with his partner Frederick Emmons for Eichler Homes and built in 1956 at the San Mateo Highlands development in California.”

Wikipedia article X-100 (house), CC BY-SA 4.0.

One of 63 National Register listings published here for San Mateo County · listed in 2016 · category: Building.

Sources: the Wikipedia article · the National Register database, National Park Service

The listing

  • What is counted as historic. The nomination lists 1 building as contributing to the listing.
  • Address. 1586 Lexington Ave., San Mateo, 94402
  • When was it listed? June 2016
  • Category. building
  • Census division. San Mateo
  • Architectural style. modern architecture
  • National Register reference number. 16000381 - assigned by the National Park Service when the property was listed.

Then and now

1892 to 1997

The ground this property stands on, surveyed 105 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet covering X-100, surveyed 1997
Topographic sheet covering X-100, surveyed 1892

Fires near this property

283 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 283 fires within 5 miles of X-100 between 1992 and 2020, burning about 192 acres in total. 5 started naturally. 20 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/undetermined147
Equipment and vehicle use57
Smoking25
Arson/incendiarism20
Misuse of fire by a minor14
Debris and open burning8
Natural5
Recreation and ceremony4
Power generation/transmission/distribution3

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
9 September 1999Naturalunder an acreSan Mateo-Santa Cruz UnitSCARPER
9 September 1999Naturalunder an acreSan Mateo-Santa Cruz UnitPILARCITOS
7 September 2020Missing data/not specified/undeterminedunder an acreSan Mateo-Santa Cruz Unitnot named
6 September 2001Equipment and vehicle useunder an acreSan Mateo-Santa Cruz UnitEDGEWOOD
6 September 1996Equipment and vehicle use1.5 acresSan Mateo-Santa Cruz UnitOYSTER POINT
5 September 2008Equipment and vehicle useunder an acreCalifornia Department of Forestry & Fire Protectionnot named
4 September 2020Missing data/not specified/undetermined1.1 acresSan Mateo-Santa Cruz UnitBEL AIRE RD THE_HIGHLAND
4 September 2015Equipment and vehicle use9.5 acresSan Mateo-Santa Cruz UnitCRYSTAL

Every fire recorded in San Mateo County

Mines and quarries near this property

10 of 36 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 36 workings within 5 miles of X-100: 18 past producers, 17 producers, 1 unknown. 17 still produce. What was taken out: Stone, Crushed/Broken, Stone, Calcium, Sand and Gravel, Construction. 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
Redwood Material Co.ManganeseProducer
Redwood Material Co.ManganesePast Producer
CanadaStone, Sand and Gravel, ConstructionPast ProducerSedimentary
CanadaStone, Sand and Gravel, ConstructionPast Producer
Sand PitSand and Gravel, ConstructionUnknown
HilltopCalciumProducer
HilltopCalciumPast Producer
Skyline QuarryCalciumProducer
Skyline QuarryCalciumPast Producer
Britton RanchStoneProducer

Every working recorded in San Mateo County

Storms near this property

5 since 1996

Regional context, not property-specific evidence. The National Weather Service names San Mateo, the town this property stands in, in 5 storm reports between 1996 and 2018: 2 flood, 2 heavy rain, 1 hail. The reports record 1 death and 12 injuries. 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.

WhenEvent Place namedHarm What the report says
January 1998Heavy RainSan Mateo1 killedheavy rain contributed to auto accident
January 1998Heavy RainSan Mateo12 hurtrain slick roads caused several auto accidents
January 2017HailSan Mateo$10Pea sized hail reported in Highlands Baywood Park.
April 2018FloodSan Mateo-US 101 at 3rd Ave on ramp, severe flooding in 1 lane.
December 1996FloodSan Mateo-no account filed

Every storm 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
Arthur and Mona Hofmann House1.8 miles1991
Carolands, The2.3 miles1975
Eugene J. De Sabla Jr. Teahouse and Tea Garden3.0 miles1992
US Post Main Office-San Mateo3.3 miles1988
National Bank of San Mateo3.3 miles1997
Ernest Coxhead House3.3 miles2000

Sources for this property

National Archives recordThe nomination case file for reference 16000381 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.
  • Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.