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Photograph of William F. Jahn Farmstead
Photograph by Freekee, Public domain. Via Wikimedia Commons.

William F. Jahn Farmstead

Listed on the National Register of Historic Places in 2000.

From the record

“Jahn Farmstead is located in Mequon, Wisconsin, United States. The farmstead includes a farmhouse, two barns, a summer kitchen, and two outbuildings.”

Wikipedia article William F. Jahn Farmstead, CC BY-SA 4.0.

One of 38 National Register listings published here for Ozaukee County · listed in 2000 · category: Building.

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

The listing

  • What is counted as historic. The nomination lists 3 buildingss as contributing to the listing.
  • Listed as. Jahn, William F., Farmstead - the National Register files a house under its owner's surname.
  • Address. 12112-12116 N. Wauwatosa Rd., Mequon, 53097
  • When was it listed? August 2000
  • Category. building
  • City. Mequon city
  • Architectural style. Greek Revival architecture
  • National Register reference number. 00000978 - 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

9 since 2018

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 9 fires within 5 miles of William F. Jahn Farmstead between 2018 and 2020, burning about 10 acres in total. None started naturally. None was 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/undetermined7
Debris and open burning2

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
4 August 2018Debris and open burning1.0 acresWisconsin Department of Natural Resources180850
21 August 2020Debris and open burning1.0 acresWisconsin Department of Natural Resources1772607
19 August 2018Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources1801269
1 May 2018Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources1802679
23 April 2020Missing data/not specified/undetermined1.0 acresWisconsin Department of Natural Resources2002437
21 April 2020Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources2002392
18 April 2020Missing data/not specified/undetermined6.0 acresWisconsin Department of Natural Resources2000580
3 March 2018Missing data/not specified/undeterminedunder an acreWisconsin Department of Natural Resources1473559

Every fire recorded in Ozaukee County

Mines and quarries near this property

1 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of William F. Jahn Farmstead: 1 past producer. None of them still produces. What was taken out: 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
H.F. Prahl Corp. PitSand and Gravel, ConstructionPast Producer

Every working recorded in Ozaukee County

Storms near this property

19 since 1997

Regional context, not property-specific evidence. The National Weather Service names Mequon, the town this property stands in, in 19 storm reports between 1997 and 2021: 6 thunderstorm wind, 5 hail, 3 flash flood, 3 lightning. The reports record 3 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
April 2001LightningMequon3 hurt, $20,000no account filed
June 1997Flash FloodMequon$3,600,000no account filed
June 2010LightningMequon$1,000,000A lightning strike in the city of Mequon resulted in a fire at a strip mall in the 1100 block of North Port Washington Road that destroyed 9 businesses. Time is estimated. Other severe weather was reported in southern Wisconsin during the pre-dawn hours of June 23, 2010.
July 2005LightningMequon$500,000no account filed
June 2008Flash FloodMequon$462,160Heavy rains resulted in flash flooding from the Mequon area northeast to the Belgium to Port Washington area. Water depths on road surfaces reached 3 feet or more and there were gravel washouts. One hundred twenty-seven homes had minor damage, and 191 homes had major damage (total of $3.765 million for all home property losses). Business losses were about $810 thousand. Crops losses were estimated at $500 thousand. Public sector damage was about $1.1 million. There were several roads and bridges that sustained damage.
May 2000Flash FloodMequon$75,000no account filed
June 2006Thunderstorm WindMequon$10,000Trees and power lines down.
June 1999Thunderstorm WindMequon$3,000no account filed
June 2007Thunderstorm WindMequon$2,000Powerful thunderstorm winds toppled large trees. Estimated wind gusts were on the order of 52 knots (60 mph).
June 2019Thunderstorm WindMequon$1,000Many tree branches down.
August 2021Heavy RainMequon-Urban street flooding in far southern Ozaukee County, especially on portions of Mequon Rd. and Port Washington Rd.
September 2011Thunderstorm WindMequon-Law enforcement officers reported numerous trees and power lines downed in a 5-mile wide swath from west of Mequon to Port Washington from damaging severe thunderstorm wind gusts estimated at 56 knots (65 mph).
June 2016HailMequon-no account filed
April 2007Heavy RainMequon-no account filed
September 2005Thunderstorm WindMequon-no account filed
May 2004HailMequon-no account filed
May 2004HailMequon-no account filed
August 2003HailMequon-no account filed
March 2000HailMequon-no account filed

Every storm recorded in Ozaukee County

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 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
Jacob Voigt House0.5 miles2000
O'Brien-Peuschel Farmstead0.7 miles2000
Main Street Historic District1.0 miles2004
Green Bay Road Historic District1.1 miles2004
Moquon Town Hall and Fire Station Complex1.2 miles2000
Isham Day House1.3 miles2000

Sources for this property

National Archives recordThe nomination case file for reference 00000978 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Ozaukee CountyAll 38 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.