Johnson, Olof, House
Also known as: Edward H. Muncaster Residence
Why it's listed
Built in 1863, this Italianate house at 408 N.W. 4th Street in Galva was home to Olof Johnson, a Swedish immigrant and one of the trustees of the Bishop Hill Colony. The exterior is symmetrical and blocky, with doubled brackets under the cornices, a deep encircling porch with slender columns, and heavy window and door surrounds. Inside, the parlor and formal dining room have marble and cast-metal fireplaces and decorative ceiling medallions, and a front stair has a stained wood balustrade. Heavy summer beams rest on stone piers in the basement. Johnson managed the colony's dealings with the outside world, helped lead the division of its holdings after 1860, and is credited with naming the settlement that became Galva. His estate became a major Illinois court case. The house reflects the wealth he built through investments and travel, and it is thought to be the only recognizable surviving home of a senior Bishop Hill trustee.
Significance in brief: The house is presented as a fine example of early Italianate design and as a lasting expression of Olof Johnson's importance in Bishop Hill Colony and Galva. Johnson handled the colony's business affairs and helped name Galva. The house is thought to be the only recognizable standing home of a Senior Bishop Hill Trustee.
Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 82002539, listed February 11, 1982. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence high).
Key facts
| Address | 408 NW 4th St., Galva |
|---|---|
| County | Henry County |
| Listed | February 11, 1982 |
| Reference number | 82002539 |
| Resource type | Building |
| Period of significance | 1800-1899 |
| Architectural style | Italianate (Victorian period, 1860-1900) |
| Areas of significance | Commerce, Exploration/Settlement, Architecture, Social History |
| Level of significance | State |
| Status (as stated in the nomination) | Occupied private residence in excellent condition, altered; a second-floor apartment was added and two front doors created. |
| Acreage | 0.4 |
| Coordinates | 41.17004, -90.04776 (NPS GIS) |
What listing means for this property
National Register listing is honorary for a privately owned home: it does not by itself restrict what an owner may do with their own money, and it does not require public access. Restrictions come from local landmark or historic-district ordinances, which are separate (how they differ).
Owner-occupied houses are not eligible for the 20% federal rehabilitation tax credit, which applies to income-producing buildings, but many states offer credits for homeowners. Listing also opens the door to preservation easements and to buying a plaque. Start with what listing means for homeowners, renovating a listed house and selling one.
General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.
Sources and further reading
- National Park Service, National Register of Historic Places database (snapshot May 2026), reference 82002539.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q24061816
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.