Updated: Jul 08, 2025
Location and Projects
Address
1919 1/2 19TH STREET, Santa Monica, CA, 90404
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Cass Guy Cosman Architect
Cass Guy Cosman, 1919-1 2nd St, Santa Monica, CA holds a Architect 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 Cass Guy Cosman, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cass Guy Cosman Services
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Cass Guy Cosman Contact Information
Address: 1919 1/2 19TH STREET, Santa Monica, CA 90404
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Cass Guy Cosman Santa Monica
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cass Guy Cosman has a BuildZoom score of 92, which places them above 68% of 336,931 contractors in California.
Activity
|
5 projects
|
2023 |
Our building permit records indicate that Cass Guy Cosman has worked on at least
5.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $13,500. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior kitchen remodel in unit 301
Valuation:
$40,000
Permit #:
22016-10000-30020
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Detached 16 x 37 deck in rear half of lot
Valuation:
$50,000
Permit #:
18020-10000-00223
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to revise layout of bathroom and to revise roof framing plan. remodel of (e)kitchen including converting (e)laundry closet/powder room into kitchen extension and reframe (e)portion to raise (e)roof. remodel (e)master bathroom/closet
Valuation:
$25,000
Permit #:
13014-20001-03221
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 10016-20000-19492 to change roof framing design ( relocate and raise ridge beams ) relocate living room fire place enclose cabana for den with new fireplace new attached open trellis in rear and new buttress at exterior of master bedroom garage and front porch. all per engineering design.----------------------see application comment
Valuation:
N/A
Permit #:
10016-20001-19492
Status:
Permit Finaled
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
(1) dwelling - si...
Supplemental permit to #10016-20000-19492 & #10016-20001-19492 to raise roof height in master bedroom master bathroom and bedroom #3. revise walls in bathroom #4 and study. modify some doors & windows. change fireplaces manufacturer. [comments]
Valuation:
N/A
Permit #:
10016-20002-19492
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel to (e) joint level work studio to create (n) non bearing wall and remodel bathroom
Valuation:
$15,000
Permit #:
17016-10000-10078
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remove & replace exterior stucco & install batt insulation. rebuild existing daamge attached rear arch wall per engineered plans
Valuation:
$20,000
Permit #:
20016-30000-23093
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 10016-20000-19492 to change roof framing design ( relocate and raise ridge beams ) relocate living room fire place enclose cabana for den with new fireplace new attached open trellis in rear and new buttress at exterior of master bedroom garage and front porch. all per engineering design.----------------------see application comment
Valuation:
N/A
Permit #:
10016-20001-19492
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to 14016-20000-06359 to addition stacked washer/dryer in the bathrooms in 4 units per plan
Valuation:
$2,000
Permit #:
14016-20001-06359
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
16'-6 x 79'-2 irreg. shaped addition for a bedroom two bathrooms a powder room hallway & extension for (e)bedroom/hallway
Valuation:
$100,000
Permit #:
13014-20000-03221
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New free-standing block wall per p/bc 2014-096 max height = 6'0 length = 8'8
Valuation:
$600
Permit #:
15020-20000-01616
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert existing attached garage to recreation room and relocate water heater
Valuation:
$10,000
Permit #:
15014-20000-02668
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit 14044-10000-07782 to addition inlet/outlet exhaust and vent
Valuation:
N/A
Permit #:
14044-10001-07782
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
611 14th st; residential addition of 1st and 2nd floor (1, 814 sf) and remodel (694 sf) new detached guest unit (291 sf) and addition to 2 car garage to make it a 3 car garage
Valuation:
$285,358
Permit #:
11PC0343
Status:
COMPLETE
Fee:
$9,035
Permit Type:
N/A
Building Type:
N/A
Relocate kitchen relocate window addition new window addition new non-bearing wall
Valuation:
$20,000
Permit #:
20016-30000-14102
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace 1-1/4 water main line & install new fixtures
Valuation:
N/A
Permit #:
14042-10000-14697
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 4 dryer vents & 4 bathroom exhaust fans
Valuation:
N/A
Permit #:
14044-10000-07782
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remove & replace exterior stucco & install batt insulation
Valuation:
$15,000
Permit #:
20016-30000-23099
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Otc 611 14th st - revision to 11cbp1030: new sky light over kitchen door & window revisions misc structural revisions staair revision drainage pit revision
Valuation:
$15,000
Permit #:
12PC0370
Status:
COMPLETE
Fee:
$682
Permit Type:
N/A
Building Type:
N/A
1919 19th st - living room addition to rear unit 253 sq ft and convert part of existing 3 car garage to a workshop 364 sq ft
Valuation:
$40,211
Permit #:
12PC0897
Status:
COMPLETE
Fee:
$2,005
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cass Guy Cosman License info
Verified License
| License # | C15811 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Cass Guy Cosman at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
19
Permits
- Building permit records show that Cass Guy Cosman has worked on 19 permitted projects.
Cass Guy Cosman Employees
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Cass Guy Cosman
Owner