Updated: May 11, 2026
Location and Projects
Address
1509 DIAMOND MTN ROAD, Calistoga, CA, 94515
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Gansa Andrew N Architect
Gansa Andrew N, 1509 Diamond Mtn Rd, Calistoga, CA (Employee: Andrew Nicholas Gansa) holds a Architect license and 1 other license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gansa Andrew N, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gansa Andrew N Services
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Gansa Andrew N Contact Information
Phone Number: (415) 269-4943
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Address: 1509 DIAMOND MTN ROAD, Calistoga, CA 94515
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This is a sample of this contractor's permits. Click here to access their complete permit history.
B combo csfd: custom single family dwelling
2012-03-07
Cottage #2 1180 sq.ft. dwelling 475 sq.ft. attached garage 139 sq.ft. covered deck 127 sq.ft. covered porch and raised walkway. part of fountaingrove lodge community; see cup06-138
Valuation:
$150,870
Permit #:
B12-0717
Status:
FINALED
Fee:
$4,877
Permit Type:
N/A
Building Type:
N/A
New 27 unit two story residential care for the elderly with elevator - part of fountaingrove lodge project
Valuation:
$2,345,406
Permit #:
B12-3877
Status:
FINALED
Fee:
$30,755
Permit Type:
N/A
Building Type:
N/A
New 12 unit worker housing apartment complex at fountaingrove lodge project (on separate parcel than rest of project)
Valuation:
$814,132
Permit #:
B12-0718
Status:
FINALED
Fee:
$104,973
Permit Type:
N/A
Building Type:
N/A
B combo csfd: custom single family dwelling
2012-07-18
Cottage #4; new 1, 342 sq.ft. single family dwelling with 427 sq.ft. attached garage
Valuation:
$167,836
Permit #:
B12-2394
Status:
FINALED
Fee:
$6,165
Permit Type:
N/A
Building Type:
N/A
96 condominium units in 5 buildings
Valuation:
$0
Permit #:
CUP13-017
Status:
COMPLETE
Fee:
$16,672
Permit Type:
N/A
Building Type:
N/A
96 condominium units in 5 buildings
Valuation:
$0
Permit #:
DR13-013
Status:
COMPLETE
Fee:
$11,115
Permit Type:
N/A
Building Type:
N/A
96 condominium units in 5 buildings
Valuation:
$0
Permit #:
HDP13-004
Status:
COMPLETE
Fee:
$5,516
Permit Type:
N/A
Building Type:
N/A
96 condominium units in 5 buildings
Valuation:
$0
Permit #:
MAJ13-001
Status:
COMPLETE
Fee:
$15,591
Permit Type:
N/A
Building Type:
N/A
96 condominium units in 5 buildings
Valuation:
$0
Permit #:
MJP13-002
Status:
REFERRED
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Gansa Andrew N License info
Verified License
| License # | C28386 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Gansa Andrew N at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 814495 |
| Status | Inactive |
| State | California |
| Type | General Building |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Gansa Andrew N at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Old Republic General Insurance Corporation |
| Bond Value | $12,500 |
Gansa Andrew N Employees
AG
Andrew Nicholas Gansa
Sole Owner
GN
Gansa Andrew N
Owner