Updated: Feb 05, 2026
Location and Projects
Address
4171 BALL RD #287, Cypress, CA, 90630
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Group Investment Source Construction
Group Investment Source Inc, 4171 Ball Rd, Cypress, CA (Employee: Kirk Timothy Mulhearn) holds a General Building 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 Group Investment Source Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Group Investment Source Inc Services
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Group Investment Source Inc Contact Information
Phone Number: (562) 965-0054
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Address: 4171 BALL RD #287, Cypress, CA 90630
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Building Permits by Group Investment Source Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
1 bathroom water repipe
Valuation:
N/A
Permit #:
PL25-00209
Status:
issued
Fee:
$231
Permit Type:
Water line replac...
Building Type:
N/A
New 736 adu - convert 525 sqft of (e) 1st floor and 211 sqft of (e) 2nd floor to create new adu: combined kitchen/dining 2nd fl-loft bedroom and new closet
Valuation:
$99,000
Permit #:
1908260024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 736 adu - convert 525 sqft of (e) 1st floor and 211 sqft of (e) 2nd floor to create new adu: combined kitchen/dining 2nd fl-loft bedroom and new closet
Valuation:
$99,000
Permit #:
1908260024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and remodel bathroom to create 2 bathrooms change office into a bedroom and create closet
Valuation:
$40,000
Permit #:
1908150019
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel second floor bathroom and create 2 bathrooms
Valuation:
$25,000
Permit #:
1908150018
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for adu tankless water heater
Valuation:
N/A
Permit #:
1912020006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General rehab single family dwelling (kitchen and bathroom remodel replace 17 retrofit windows 0.32 0.25) structural damage repairs at bathroom area (floor joist) second unit verification
Valuation:
N/A
Permit #:
B15-1095
Status:
final
Fee:
$516
Permit Type:
Remodel or repair...
Building Type:
N/A
Electrical for adu
Valuation:
N/A
Permit #:
1912020014
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bathroom exhaust fan
Valuation:
N/A
Permit #:
1912020008
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel upgrade windows (vinyl) wall heater decking water heater
Valuation:
N/A
Permit #:
B16-001021
Status:
final
Fee:
$338
Permit Type:
Legalization of s...
Building Type:
N/A
Demolish unpermitted addition carport & accessory structure
Valuation:
$5,000
Permit #:
16-2800
Status:
expired
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
3 fixture traps 4 gas system outlets 1 water heater
Valuation:
N/A
Permit #:
P16-000403
Status:
final
Fee:
$92
Permit Type:
Remodel
Building Type:
N/A
Tearing down - demolish illegal addition rebuild w permits
Valuation:
N/A
Permit #:
B16-001097
Status:
final
Fee:
$563
Permit Type:
Addition and remo...
Building Type:
N/A
Electrical for kitchen and bathroom remodel
Valuation:
N/A
Permit #:
E16-000595
Status:
final
Fee:
$119
Permit Type:
Remodel
Building Type:
N/A
Misc electrical for addition
Valuation:
N/A
Permit #:
E16-000620
Status:
issued
Fee:
$40
Permit Type:
Alterations
Building Type:
N/A
Wall heater
Valuation:
N/A
Permit #:
M16-000269
Status:
final
Fee:
$35
Permit Type:
Remodel
Building Type:
N/A
Electrical 125a service change and 4 ckts-1meter
Valuation:
N/A
Permit #:
EL92-0195
Status:
final
Fee:
N/A
Permit Type:
Rpr
Building Type:
N/A
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Group Investment Source Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Group Investment Source Inc License info
Verified License
| License # | 989678 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Group Investment Source Inc 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 | Business Alliance Insurance Company |
| Bond Value | $15,000 |
8
Permits
- Building permit records show that Group Investment Source Inc has worked on 8 permitted projects.
Group Investment Source Inc Employees
KM
Kirk Timothy Mulhearn
Rmo / Ceo / Pres