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1820 Allen Ave

© 2025 Altadena Heritage
Photo of Property Original survey photo (ca. 1990) true
1820 Allen Ave
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APN: Not on File
AHAD ID: 10207
Year Built: 1930 (actual)
Year Built (Assessor): 1930
Year Built (Other): Not on File
Legal Description: Lot 1, Blk. H, Tr. 875
Quadrant: Not on File
Current Lot Size: Not on File
Historic Name: Not on File
Style: English Period Revival
Stories: 1
Type: Residence
CHRS: 3CS
Builders: Shaffner, S. (attributed to)
Shaffner, S.L. (attributed to) (1932)
Building Permits:
PermitYear
12,566 1930
6720 1932
Alterations:
CostDescriptionYear
$500 N/A 1932
Original Owner: Shaffner, S.
Original Owner Occupation: Not on File
Place of Business: Not on File
Other Owners:
NameYearsComment
Shaffner, S.L. 1932 N/A
Original Cost: $3,000
Original Lot Size: Not on File
Moved on to Property: N
Former Addresses:
AddressYears
1880 Allen Altadena, CA 91001 N/A

Note

Dwelling 30x39; 1932: add. to garage, 20 x 40

Sources

Builder & Contractor (journal) 6/27/30, p. 67

Builder & Contractor (journal) 2/5/32, p. 56

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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.