BlockBefore

Serrano, California

31 topographic sheets cover this place, the earliest surveyed in 1897 and the latest in 1995. It stands in the San Luis Obispo census division. It lies in ZIP code area 93405. The Survey maps it on the San Luis Obispo quadrangle.

Serrano within San Luis Obispo County

Then and now

1897 to 1995

The same ground, surveyed 98 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Serrano, surveyed 1995
Topographic sheet of Serrano, surveyed 1897

Compare 1897 against another survey:

Topographic sheets covering this place

13 surveys from 31 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

Fires near this place

291 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 291 fires within 5 miles of Serrano between 1992 and 2020, burning about 6,506 acres in total. 2 started naturally. 8 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
Equipment and vehicle use122
Missing data/not specified/undetermined121
Debris and open burning11
Smoking10
Power generation/transmission/distribution9
Arson/incendiarism8
Misuse of fire by a minor4
Railroad operations and maintenance2
Natural2
Firearms and explosives use2

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
8 September 2003Equipment and vehicle use2.0 acresSan Luis Obispo UnitSTENNER
8 September 1994Equipment and vehicle useunder an acreSan Luis Obispo UnitSLU 3071
5 September 2019Missing data/not specified/undeterminedunder an acreSan Luis Obispo UnitEMS3CDF/
5 September 2014Smokingunder an acreSan Luis Obispo UnitOCONNOR WAY /W FOOTHILL B
5 September 2011Equipment and vehicle useunder an acreSan Luis Obispo UnitCUESTA
5 September 1994Missing data/not specified/undeterminedunder an acreSan Luis Obispo UnitSLU-3023
30 September 2000Railroad operations and maintenanceunder an acreSan Luis Obispo UnitGRADE
29 September 2009Missing data/not specified/undeterminedunder an acreSan Luis Obispo UnitRESERVOIR

Settlements close enough to share some of these fires:

Every fire recorded in San Luis Obispo County

Mines and quarries near this place

10 of 89 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 89 workings within 5 miles of Serrano: 40 past producers, 18 producers, 16 prospects, 12 occurrences. 18 still produce. What was taken out: Chromium, Copper, Stone, Crushed/Broken, Manganese. 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
Estrella MineChromium, Iridium, Platinum, Palladium, Ruthenium, RhodiumPast ProducerChromite
Lee QuarryStoneProducer
New London MineChromium, IronPast Producer1882, 1883
Questa ProspectChromium, Platinum, Palladium, Iridium, Ruthenium, RhodiumOccurrenceChromite
San Jose Valley MineMercuryProducer
Santa Margarita Platinum OccurrencePlatinumOccurrence
Santa Margarita Ranch Shell Dep.CalciumPast Producer
Seeley GroupIron, ChromiumPast Producer1880
Tassajara GroupLimestone, GeneralProspect
Gravel PitSand and Gravel, ConstructionPast Producer

Every working recorded in San Luis Obispo County

Storms near this place

2 since 2024

Regional context, not property-specific evidence. The National Weather Service names Serrano in 2 storm reports between 2024 and 2026: 2 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.

WhenEvent Place namedHarm What the report says
February 2026Thunderstorm WindSerrano-Strong thunderstorm winds, gusting to 61 MPH, were reported at the Mount Lowe sensor.
February 2024Thunderstorm WindSerrano-An automated sensor at Mount Lowe reported a thunderstorm wind gust of 66 MPH.

Every storm recorded in San Luis Obispo County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Map PlaceDistance Sheets
Thyle1.2 miles31
Chorro1.4 miles31
Goldtree1.7 miles31
San Luis Obispo3.6 miles31
Santa Margarita4.5 miles27
Garden Farms6.3 miles27
Cushing6.8 miles27
Dove (historical)8.1 miles29

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1661425. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

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.