BlockFrom the record
One of 92 National Register listings published here for Boulder County · listed in 1986 · category: Building.
Sources: the case file at the National Archives · the National Register database, National Park Service
LaSalla House
Listed on the National Register of Historic Places in 1986.
The listing
- What is counted as historic. The nomination lists 3 buildingss, 1 structure as contributing to the listing.
- Address. 1124 Main St., Louisville, 80027
- When was it listed? February 1986
- Category. building
- Also known as. Louisville MRA
- Census division. Lafayette-Louisville
- National Register reference number. 86000217 - 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.
Fires near this property
278 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 278 fires within 5 miles of LaSalla House between 1992 and 2020, burning about 109 acres in total. 9 started naturally. 13 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 | 209 |
| Arson/incendiarism | 13 |
| Smoking | 12 |
| Equipment and vehicle use | 11 |
| Natural | 9 |
| Recreation and ceremony | 8 |
| Misuse of fire by a minor | 6 |
| Debris and open burning | 6 |
| Railroad operations and maintenance | 2 |
| Fireworks | 2 |
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 2016 | Missing data/not specified/undetermined | under an acre | Denver County | UNKNOWN |
| 6 September 2010 | Missing data/not specified/undetermined | under an acre | Colorado State Forest Service-State Headquarters | not named |
| 5 September 2020 | Missing data/not specified/undetermined | under an acre | Rocky Mountain Fire Protection District | N/A |
| 4 September 1993 | Misuse of fire by a minor | under an acre | Colorado State Forest Service-Boulder District | not named |
| 3 September 2017 | Missing data/not specified/undetermined | under an acre | Lafayette Fire Department | UNKNOWN |
| 29 September 2018 | Missing data/not specified/undetermined | under an acre | Louisville Fire Protection District | UNKNOWN |
| 29 September 2010 | Missing data/not specified/undetermined | under an acre | Colorado State Forest Service-State Headquarters | not named |
| 26 September 2020 | Debris and open burning | 1.0 acres | Rocky Mountain Fire Protection District | N/A |
Mines and quarries near this property
10 of 13 shownRegional context, not property-specific evidence. The federal mineral resources record lists 13 workings within 5 miles of LaSalla House: 7 past producers, 3 producers, 3 occurrences. 3 still produce. What was taken out: Sand and Gravel, Construction, Gold, Uranium, Tungsten. 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 |
|---|---|---|---|---|
| Fox Hills Outcrop | Coal, Uranium | Past Producer | ||
| Lewis Lode | Bituminous, Uranium | Past Producer | ||
| Marshal Or Langford Surface Iron | Iron | Producer | Limonite, Siderite | |
| Cracker Jack | Tungsten | Past Producer | ||
| Sunday Tungsten | Tungsten | Past Producer | ||
| Beaver | Gold | Past Producer | ||
| South Boulder Creek Placers | Gold | Occurrence | Gold | |
| Standard Mine | Gold | Past Producer | ||
| Baker | Sand and Gravel, Construction | Past Producer | ||
| Crane Pit | Sand and Gravel, Construction | Producer |
Storms near this property
39 since 1994Regional context, not property-specific evidence. The National Weather Service names Louisville, the town this property stands in, in 39 storm reports between 1994 and 2025: 33 hail, 4 thunderstorm wind, 2 lightning. 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 |
|---|---|---|---|---|
| June 2020 | Thunderstorm Wind | Louisville | - | Intense thunderstorm winds snapped tree limbs up to one inch in diameter. |
| June 2004 | Lightning | Louisville | - | Lightning struck a home but caused only minor damage. |
| June 2003 | Lightning | Louisville | - | Another lightning strike caused minor roof and attic damage to a residence in Louisville. |
| June 2025 | Hail | Louisville | - | no account filed |
| July 2025 | Hail | Louisville | - | no account filed |
| July 2025 | Hail | Louisville | - | no account filed |
| June 2019 | Hail | Louisville | - | no account filed |
| June 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| September 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| July 2019 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2018 | Hail | Louisville | - | no account filed |
| June 2015 | Hail | Louisville | - | no account filed |
| July 2014 | Hail | Louisville | - | no account filed |
| July 2014 | Hail | Louisville | - | no account filed |
| July 2011 | Thunderstorm Wind | Louisville | - | no account filed |
| June 2010 | Hail | Louisville | - | no account filed |
| June 2010 | Hail | Louisville | - | no account filed |
| April 2007 | Hail | Louisville | - | no account filed |
| August 2004 | Hail | Louisville | - | no account filed |
| August 2004 | Hail | Louisville | - | no account filed |
| June 1997 | Hail | Louisville | - | no account filed |
| July 1996 | Thunderstorm Wind | Louisville | - | no account filed |
| July 1996 | Thunderstorm Wind | Louisville | - | no account filed |
| June 1994 | Hail | Louisville | - | no account filed |
| June 1994 | Hail | Louisville | - | no account filed |
Map coverage status
No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.
Listed places nearby
6 within 8 milesOther 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 |
|---|---|---|---|
 | Ginacci House | under 500 feet | 1986 |
 | Petrelli-DelPizzo House | under 500 feet | 1986 |
 | Jacoe Store | 0.1 miles | 1986 |
 | Rhoades House | 0.2 miles | 1986 |
 | Robinson House | 0.2 miles | 1986 |
 | Tego Brothers Drugstore-State National Bank of Louisville | 0.3 miles | 1986 |
Sources for this property
| National Archives record | The nomination case file for reference 86000217 in Record Group 79. |
| Boulder County | All 92 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.