# Benjamin Hammar House

- URL: https://palmerdivideresearch.com/places/benjamin-hammar-house/

- Kind: Historic homes and cabins
- Status: Living today
- County: Douglas County, Colorado
- Point: 39.3716, -104.8565 (from a cited description (good to a few hundred feet))

- Updated: 2026-10-07

## What we know

Built in 1887 by Benjamin Hammar, co-owner of the Castle Rock Stone Quarry and later of the Santa Fe Quarry; Dr. George Alexander's office from 1902; National Register, 1993 (county map, S-0123, citing Appleby).

## Where it was

Pin on the Douglas County Historic Resource Map (DCHR-002; Douglas County and Douglas County Libraries, 2012, on the Larkspur Historical Society's Google map, S-0123). Where that map and ours place the same site, the pins mostly fall within about 300 feet. Good to a few hundred feet.

Placed from a written description, such as a land section, a distance from a landmark or an old survey note.

## Sources

- S-0045: https://palmerdivideresearch.com/sources/#s-0045
- S-0046: https://palmerdivideresearch.com/sources/#s-0046
- S-0123: https://palmerdivideresearch.com/sources/#s-0123

## Nearby

- [Castle Rock](https://palmerdivideresearch.com/places/castle-rock/): 0.0 mi northeast
- [Castle Rock Rio Grande depot](https://palmerdivideresearch.com/places/castle-rock-rio-grande-depot/): 0.1 mi northwest
- [Cantril School](https://palmerdivideresearch.com/places/cantril-school/): 0.1 mi northeast
- [First United Methodist Church (Castle Rock)](https://palmerdivideresearch.com/places/first-united-methodist-church-castle-rock/): 0.1 mi west
- [Christ's Episcopal Church](https://palmerdivideresearch.com/places/christs-episcopal-church/): 0.2 mi north
- [First National Bank and Masonic Building](https://palmerdivideresearch.com/places/first-national-bank-and-masonic-building/): 0.2 mi west

Source numbers (S-0000) refer to https://palmerdivideresearch.com/sources/. Compiled by Michael Christensen for Palmer Divide Research; CC BY 4.0.
