Marston, George W., House
Why it's listed
Overlooking Balboa Park in San Diego, this L-shaped house at 3525 7th Avenue was designed in 1904 by architect Irving John Gill of the firm Hebbard and Gill for merchant George W. Marston. Brick veneer covers the first floor, with frame walls and plaster above, under gabled roofs with sweeping eaves. A porte-cochere marks the entrance, and a brick-tiled terrace and pergola run along the south side. Inside, a broad central stairway lit by large north windows organizes the plan. The house is notable as an early work from Gill's formative years, showing the simple detailing, absence of ornament and attention to comfort that characterized his later buildings. On the third floor he first used slab doors and flat board moldings flush with the wall. The nomination also stresses Marston's role in San Diego's civic life, including the library, YMCA, Balboa Park and Presidio Park. The house remains largely unaltered, with its original landscaping.
Significance in brief: The nomination argues the house was built during the formative years of Gill's practice and anticipates his later work through its simple detailing, lack of ornament and emphasis on comfort. It also marks a transition, retaining the eastern brick gabled form. It is further tied to George W. Marston, a merchant and civic leader who shaped modern San Diego.
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 74000552, listed December 16, 1974. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence high).
Key facts
| Address | 3525 7th Ave., San Diego |
|---|---|
| County | San Diego County |
| Listed | December 16, 1974 |
| Reference number | 74000552 |
| Resource type | Building |
| Period of significance | 20th Century (specific date 1904) |
| Architect / builder | Irving John Gill (Hebbard and Gill); later alterations by William Templeton Johnson |
| Areas of significance | Landscape Architecture, Architecture |
| Level of significance | Local |
| Status (as stated in the nomination) | Described as essentially unaltered since construction, with minor changes limited to window enlargements on the south side; listed as a private residence and occupied. |
| Acreage | 4.6 |
| Coordinates | 32.74136, -117.15798 (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 74000552.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q5545691
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.