Category:Case Study House 20B

**Case Study House No. 20**
	single-family detached home in Los Angeles County, California
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Instance of	single-family detached home;
Location	Altadena, Los Angeles County, California, Pacific States Region
Street address	2275 North Santa Rosa Avenue;
Architect	Calvin C. Straub; Buff, Smith and Hensman; Donald C. Hensman;
Heritage designation	National Register of Historic Places listed place (Case Study House Program MPS, A, C, NRHP building, Case Study House No. 20, 2013–);
Inception	1958;
	34° 11′ 05.28″ N, 118° 08′ 19.68″ W
Authority file
	Q118708712; NRHP reference number: 13000517
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This is a category about a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 13000517.

Media in category "Case Study House 20B"

The following 5 files are in this category, out of 5 total.