Photograph by Bill W Ca at English Wikipedia, Public domain. Via
Wikimedia Commons.
Sam and Alfreda Maloof Compound
Listed on the National Register of Historic Places in 2010. 19 historic topographic surveys show this location, the earliest from 1897.
From the record
“The Sam and Alfreda Maloof Compound is a historic residential complex located at 5131 Carnelian Street in Alta Loma, California. The complex includes the house and workshop of woodworker and furniture designer Sam Maloof, who designed the buildings himself.”
Wikipedia article Sam and Alfreda Maloof Compound, CC BY-SA 4.0.
One of 98 National Register listings published here for San Bernardino County · listed in 2010 · category: Building.
National Register reference number.03000471- 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 1996
The ground this property stands on, surveyed
99 years apart. Drag the handle to wipe between them. Both sheets are
United States Geological Survey originals; neither has been altered.
18971996
Fires near this property
284 since 1992
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 284 fires within 5 miles of Sam and Alfreda Maloof Compound
between 1992 and 2020, burning about 14,682 acres in total. 8 started naturally. 73 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
75
Arson/incendiarism
73
Equipment and vehicle use
59
Recreation and ceremony
35
Misuse of fire by a minor
13
Smoking
9
Natural
8
Fireworks
7
Debris and open burning
3
Power generation/transmission/distribution
1
Other causes
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
9 September 2011
Arson/incendiarism
under an acre
San Bernardino Unit
not named
9 September 1994
Misuse of fire by a minor
110 acres
San Bernardino National Forest
AMETHYST
8 September 2003
Arson/incendiarism
under an acre
Angeles National Forest
TOP
6 September 1995
Misuse of fire by a minor
1.0 acres
San Bernardino Unit
BANYAN
5 September 2004
Smoking
under an acre
Angeles National Forest
PALMER
5 September 1992
Arson/incendiarism
2.0 acres
San Bernardino Unit
SUMMIT
30 September 2010
Missing data/not specified/undetermined
under an acre
California Department of Forestry & Fire Protection
Regional context, not property-specific
evidence. The federal mineral resources record lists
11 workings within 5 miles of Sam and Alfreda Maloof Compound: 6 past producers, 4 occurrences, 1 producer.
1 still produces. What was taken out: Sand and Gravel, Construction, Tungsten, Graphite, Corundum. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
Regional context, not property-specific
evidence. The National Weather Service names
Alta Loma, the town this property stands in, in 4 storm reports between 2003 and 2025: 1 wildfire, 1 funnel cloud, 1 thunderstorm wind, 1 heavy rain.
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.
A strong gust of wind caused roof damage to 5 homes in the Rancho Cucamonga area. The time of this event is estimated to have occurred shortly after midnight Sunday.
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.
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.
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