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2275 Santa Rosa Ave

© 2025 Altadena Heritage
Photo of Property Original survey photo (ca. 1990) true
2275 Santa Rosa Ave
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APN: 5839-006-017
AHAD ID: 16678
Year Built: 1958 (estimated)
Year Built (Assessor): 1958
Year Built (Other): Not on File
Legal Description: Not on File
Quadrant: Not on File
Current Lot Size: Not on File
Historic Name: Case Study House #20
Style: Modern
Stories: 1
Type: Residence
CHRS: 3CD, 3CS
Architect: Buff, C., Straub C., & Hensman, D. (confirmed)
Building Permits: None on File
Alterations: None on File
Original Owner: Bass, Saul
Original Owner Occupation: Not on File
Place of Business: Not on File
Other Owners: None on File
Original Cost: Not on File
Original Lot Size: Not on File
Moved on to Property: N
Former Addresses: None on File

Note

Sources

Weekly 7/27/89

Gebhard, p. 305

McCoy, Esther, 'Case Study Houses 1945-62,' 1977

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California Historical Resource Status (CHRS) Codes Key
CodeDescription
1S Individual property listed in National Register by the Keeper. Listed in the California Register.
3CD Appears eligible for California Register as a contributor to a California Register eligible district through a survey evaluation.
3CS Appears eligible for California Register as an individual property through survey evaluation.
3S Appears eligible for National Register as an individual property through survey evaluation.