Thaddeus Kosciuszko National Memorial
Also known as: 301 Pine Street
Why it's listed
The corner house at 301 Pine Street in Philadelphia was built in 1775 by Joseph Few, a member of the Carpenter Company and a mason. It was renovated in 1782 under later owner Captain William Alison and was occupied by Joseph Snowden. By 1797 it was operated by Mrs. Anna Relf as a boarding house. General Thaddeus Kosciuszko, who had served as a military engineer during the American Revolution, lived here with his companion Julian Niemcewicz, a notable Polish writer, from November 1797 to May 1798. Thomas Jefferson visited the General here frequently, and the two exchanged political views. Jefferson also helped Kosciuszko draft a will providing for the freedom and education of a group of enslaved Americans. The building's brick Flemish bond, cornice and fret moulding are described as fine examples of their type, and an 1835 insurance survey noted a bake oven in the cellar.
Significance in brief: The house is noted mainly for its historic associations: General Thaddeus Kosciuszko and his companion Julian Niemcewicz lived there from November 1797 to May 1798, and Thomas Jefferson visited the General there. The document also cites the cornice, fret moulding and brickwork as fine examples of their type.
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 70000068, listed December 18, 1970. Summary generated October 2026 (model claude-haiku-5-5, prompt v1.1-2026-10-29, confidence medium).
Key facts
| Address | 301 Pine St., Philadelphia |
|---|---|
| County | Philadelphia |
| Listed | December 18, 1970 |
| Reference number | 70000068 |
| Resource type | Building |
| Period of significance | 1775 |
| Architect / builder | Joseph Few (builder) |
| Areas of significance | Military, Politics/Government, Architecture, Social History |
| Level of significance | National |
| Status (as stated in the nomination) | Present appearance is described, with stucco removed from three sides except for a one-story addition, and later one-over-one replacement sashes. |
| Acreage | 0.9 |
| Within district | Society Hill Historic District |
| Coordinates | 39.94344, -75.14713 (NPS GIS) |
What listing means for this property
For a publicly owned building or structure, listing mainly matters when federal funds, permits or licences are involved: projects then go through Section 106 review so effects on the property are considered. Listing also strengthens applications for preservation grants and, for leased income-producing uses, can enable the federal rehabilitation tax credit.
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 70000068.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q2408350
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.