Schanen-Zolling House

Listed on the National Register of Historic Places in 1985.

From the record

“The Schanen-Zolling House, located in Portland, Oregon, is a house listed on the National Register of Historic Places.”
Wikipedia article Schanen-Zolling House, CC BY-SA 4.0.

One of 51 National Register listings published here for Washington County · listed in 1985 · 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 2 buildingss as contributing to the listing.
Address. 6750 S.W. Oleson Rd., Portland, 97223
When was it listed? December 1985
Category. building
Census division. Beaverton-Hillsboro
National Register reference number. 85003340 - 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.

Mines and quarries near this property

10 of 35 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 35 workings within 5 miles of Schanen-Zolling House: 25 past producers, 8 producers, 1 occurrence, 1 prospect. 8 still produce. What was taken out: Sand and Gravel, Construction, Stone, Crushed/Broken, Stone, Iron. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Oswego Iron Mine	Iron	Past Producer	1867, 1894
Oswego Iron Mine	Iron	Past Producer
Portland Tunnel	Mercury	Occurrence
Portland Tunnel	Mercury	Prospect
Sylvan Brick Co	Clay	Past Producer
Sylvan Brick Company	Clay	Past Producer
City of Portland	Stone	Past Producer
Durham Quarry	Stone	Past Producer
Grabhorn Quarry	Stone	Past Producer
Murray Road Quarry	Stone	Past Producer

Every working recorded in Washington 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.

Property	Distance	Listed
Portland Golf Club Clubhouse and Golf Course	0.7 miles	2023
Ole and Polly Oleson Farmhouse	0.7 miles	1991
J. F. Watkins House	0.9 miles	1993
Adam and Johanna Feldman House	0.9 miles	1993
Thomas Michos House	1.2 miles	1991
Fogelbo House	1.3 miles	2020

Sources for this property

National Archives record	The nomination case file for reference 85003340 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Washington County	All 51 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.
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.