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Updated: May 19, 2026
Location and Projects
Address
821 S VERMONT AVENUE, Los Angeles, CA, 90005
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Cost Sign
Cost Sign, 821 S Vermont Ave, Los Angeles, CA (Employees: Boo Kon Kim, Boo Kon Kim, and Christopher Kim) holds a Electrical Signs license and 4 other licenses according to the California license board.
Their BuildZoom score of 110 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cost Sign, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cost Sign Contact Information
Phone Number: (323) 733-1177
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Address: 821 S VERMONT AVENUE, Los Angeles, CA 90005
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Cost Sign Los Angeles
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cost Sign has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
22 projects
|
2025 |
|
9 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Cost Sign has worked on at least
45.0 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.
Experience
|
44 projects
|
Signage projects |
Analyzing permits over the last 4 years shows that Cost Sign mostly works on
signage project
projects.
Pricing
|
27 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
The typical size of their permits is approximately $2,000. 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.
Install (2) (n) illuminated channel letter wall signs sign a: 20.42 sq ft sign b: 20.42 sq ft copy: lovetta as per approved plans install (2) illuminated channel letter wall sign
Valuation:
$2,000
Permit #:
SIGN-2025-0017
Status:
issued
Fee:
$698
Permit Type:
N/A
Building Type:
N/A
Install (3) illuminated channel letter wall signs sign a: 38.44 sq ft sign b: 16.89 sq ft sign c: 8.11 sq ft copy: lotteria copy: lotteria (korean) as per approved plans
Valuation:
$5,000
Permit #:
SIGN-2025-0020
Status:
complete
Fee:
$759
Permit Type:
N/A
Building Type:
N/A
38745 tierra subida install (1) illuminated channel letter wall sign (1) channel logo for happy hippo children's dentistry. ste #140 145 150 and 160
Valuation:
N/A
Permit #:
BSIGN25-00007
Status:
issued
Fee:
$410
Permit Type:
N/A
Building Type:
N/A
Install (2) illuminated channel letters w raceway wall sign reading: sign 1 - tripalink logo 16 sf and 72 feet high from grade. sign 2 - address 971, 1.75 sf and 7 feet high from grade
Valuation:
$4,500
Permit #:
24048-10000-00454
Status:
issued
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Install (1) illuminated channel letter area: 24 x 284 = 47.33 sq ft height = 11.5 ft from bottom of sign to grade
Valuation:
$2,000
Permit #:
25048-10000-00318
Status:
final
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Install (1) illuminated channel letter wall sign (dual-lit) reading: rc dental care & orthodontics
Valuation:
N/A
Permit #:
PMT2025-01609
Status:
triage
Fee:
$959
Permit Type:
N/A
Building Type:
N/A
Contractor must maintain a minimum 4 foot pedestrian access to public sidewalk at all times
Valuation:
N/A
Permit #:
ENG-2025-0193
Status:
issued
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Commercial alter (2) 35.9 sqft illuminated wall signs ( 2'-6 x 14 - 4 7/16") at front and side elevations to read total wireless
Valuation:
$4,000
Permit #:
250000782
Status:
issued
Fee:
$296
Permit Type:
N/A
Building Type:
N/A
Commercial alter (2) 35.9 sqft illuminated wall signs ( 2'- 6 x 14 - 4 7/16") at front and side elevations to read total wireless
Valuation:
$4,000
Permit #:
0250000782
Status:
issued
Fee:
$296
Permit Type:
N/A
Building Type:
N/A
Install (1) illuminated led channel letter wall sign reading: boba day
Valuation:
N/A
Permit #:
2025000114
Status:
plancheck
Fee:
$112
Permit Type:
Sign
Building Type:
N/A
Ibs fashion inc dba q: install (3) illuminated channel lette
Valuation:
N/A
Permit #:
B-SG25-0053
Status:
issued
Fee:
$1,674
Permit Type:
Wall mounted sign
Building Type:
N/A
(eplan) illuminated channel letter sign. tenant: e-plex
Valuation:
$6,000
Permit #:
00956922-SPI
Status:
issued
Fee:
$327
Permit Type:
N/A
Building Type:
N/A
Install (1) illuminated channel letter wall sign [3'-0 x 17'-0"] (51 sf) at 10'-2 from grade to read: center for better life
Valuation:
$2,000
Permit #:
23048-10000-00221
Status:
issued
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Installing 1 illuminated channel letter wall sign 38sqft
Valuation:
$2,123
Permit #:
BLD-25-00001
Status:
final
Fee:
$527
Permit Type:
N/A
Building Type:
N/A
Install (1) illuminated channel letter wall sign reading: brighter veterinary 265 x 36 = xx sq. ft h = 134 from bottom of sign to grade
Valuation:
$2,000
Permit #:
24048-10000-01067
Status:
issued
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Install (n) non-illuminated foam letter wall sign sign a: 19.74 sq ft copy: gogoma (in english and korean) as per approved plans
Valuation:
$800
Permit #:
SIGN-2025-0025
Status:
pre-issuance status
Fee:
$552
Permit Type:
N/A
Building Type:
N/A
New illuminated channel letters wall sign reading cricket wall sign 34.17 sf (36 x 136.75")
Valuation:
$2,000
Permit #:
250000655
Status:
issued
Fee:
$298
Permit Type:
N/A
Building Type:
N/A
Install (1) set of illuminated channel letter wall sign - reading: h salt fish & chips
Valuation:
N/A
Permit #:
BLDG25-1185
Status:
issued
Fee:
N/A
Permit Type:
Signs
Building Type:
N/A
Remove (e) & install (3) illuminated channel letter signs for takumi sushi - (2) @ 35.37 sf & (1) @ 51 sf. plans & title 24 w permit
Valuation:
N/A
Permit #:
SB22-00057
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Nasung donkasu install (1) illuminated channel letter wall sign. file with main permit bldc-2024-00094
Valuation:
$2,000
Permit #:
ELEC-2024-00051
Status:
complete
Fee:
$123
Permit Type:
N/A
Building Type:
N/A
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Cost Sign Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cost Sign License info
Verified License
| License # | 997613 |
| Status | Active |
| State | California |
| Type | Electrical Signs |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cost Sign at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 997613 |
| Status | Active |
| State | California |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of October, 2022. Check the current license status of Cost Sign with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 997613 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the City of Oceanside, CA, 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 Cost Sign at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 790643 |
| Status | Inactive |
| State | California |
| Type | Electrical Signs |
| Business Type | Sole Ownership |
- 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 Cost Sign at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 698638 |
| Status | Inactive |
| State | California |
| Type | Electrical Signs |
| Business Type | Sole Ownership |
- 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 Cost Sign at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
637
Permits
- Building permit records show that Cost Sign has worked on 637 permitted projects.
Cost Sign Employees
BK
Boo Kon Kim
Officer
BK
Boo Kon Kim
Officer
CK
Christopher Kim
Rmo
CK
Christopher Kim
Rmo
YK
Young Sook Kim
Sole Owner