Location and Projects
Address
289 WRIGHT BROTHERS AVENUE, Livermore, CA, 94551
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Shamrock Development & Constru Engineer
Shamrock Development & Constru, 289 Wright Brothers Ave, Livermore, CA (Employee: Ryan Michael Callahan) holds a General Engineering, General Building license according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Shamrock Development & Constru, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Shamrock Development & Constru Services
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Shamrock Development & Constru Contact Information
Phone Number: (925) 294-8307
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Address: 289 WRIGHT BROTHERS AVENUE, Livermore, CA 94551
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Shamrock Development & Constru Livermore
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Shamrock Development & Constru has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Shamrock Development & Constru has worked on at least
3.0 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
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
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.
Building Permits by Shamrock Development & Constru
This is a sample of this contractor's permits. Click here to access their complete permit history.
Spec space remodel for suite 102 for future tenant - interior tenant improvement and minor exterior modifications on the ground floor of an existing 1 story office building. demolition includes removal of walls interior glass doors electrical mechanical plumbing fixtures casework and finishes. improvement scope includes addition of new walls ceilings interior glass doors casework plum... see more
Valuation:
$150,000
Permit #:
B23-0361
Status:
final
Fee:
$6,628
Permit Type:
N/A
Building Type:
N/A
Ti-demo interior walls doors casework lighting ceilings plumbing mechanical and portion of exterior concrete walls and exterior light framed walls (ratermann manufacturing offices)
Valuation:
$815,500
Permit #:
TI220011
Status:
issued
Fee:
$6,756
Permit Type:
Add/alter commercial
Building Type:
N/A
Revision 1-new roof access stair and new roof pop-up; various other changes-ratermann manufacturing offices
Valuation:
$815,500
Permit #:
TI220011-REV01
Status:
issued
Fee:
$792
Permit Type:
N/A
Building Type:
N/A
New partitions ceilings light fixtures casework doors electrical outlets switches kitchen equipment and hood. exterior improvements include installation of a new prefab cooler/freezer trash enclosure accessible parking and lot re-striping.- today's kitchen
Valuation:
$300,000
Permit #:
TI220063
Status:
final
Fee:
$69,344
Permit Type:
N/A
Building Type:
N/A
New pedestrian access path an accessible ramp remove and replace an existing ground level deck with an approximately 1, 070 square foot ground level deck; and remove one non-heritage windmill palm tree at the pleasanton hotel
Valuation:
$50,000
Permit #:
B21-1234
Status:
final
Fee:
$57,114
Permit Type:
N/A
Building Type:
N/A
Ti-remove office partition door interior warehouse door break room and cabinets; new flooring casework appliances sinks and new door between warehouse and kitchen-herspring-gibbs llc
Valuation:
$55,000
Permit #:
TI220064
Status:
plancheck
Fee:
N/A
Permit Type:
Add/alter commercial
Building Type:
N/A
New non-conditioned industrial shell building (22, 275 sf) (building 2-scannell properties)
Valuation:
$1,558,481
Permit #:
CB190018
Status:
final
Fee:
$498,533
Permit Type:
New industrial
Building Type:
N/A
New non-conditioned industrial shell building (24, 755 sf) (building 1 - spec building)
Valuation:
$1,732,010
Permit #:
CB190017
Status:
final
Fee:
$553,399
Permit Type:
New industrial
Building Type:
N/A
Ti-interior improvements. addition new air conditioning unit on roof. (westco iron works)
Valuation:
$295,000
Permit #:
TI210041
Status:
final
Fee:
$7,611
Permit Type:
Add/alter commercial
Building Type:
N/A
Addition perimeter fencing access gates and pedestrian access doors for 4570 contractors place (sandhu products inc.)
Valuation:
$25,000
Permit #:
CM220079
Status:
final
Fee:
$1,295
Permit Type:
N/A
Building Type:
N/A
Revision 1- structural drawings s1 through s5 were added; lighting was revised on sheet a2.2 ;reflected plan and power plan and cover sheet was revised to include structural drawings (westco iron works)
Valuation:
N/A
Permit #:
TI210041-REV01
Status:
final
Fee:
$376
Permit Type:
N/A
Building Type:
N/A
Ti-add new metal stud walls and doors millwork and sink in break room acoustical ceiling lighting restrooms and roof top mechanical units. 3, 105 sf (building 2)
Valuation:
$65,000
Permit #:
TI210012
Status:
triage
Fee:
$180
Permit Type:
Add/alter industrial
Building Type:
N/A
Ti-add new metal stud walls and doors millwork and sink in break room acoustical ceiling lighting restrooms and roof top mechanical units. 3, 105 sf (building 1)
Valuation:
$65,000
Permit #:
TI210011
Status:
triage
Fee:
$180
Permit Type:
Add/alter industrial
Building Type:
N/A
Under slab plumbing and non-structural slab work structural roof framing and steel work. (ti under separate permit)
Valuation:
$25,000
Permit #:
CM210077
Status:
final
Fee:
$760
Permit Type:
Misc
Building Type:
N/A
Ti-removal of open office area and installation of light manufacturing area (ferrotec)
Valuation:
$95,000
Permit #:
TI200073
Status:
final
Fee:
$5,277
Permit Type:
Add/alter commercial
Building Type:
N/A
Revision to show two fire service connections on civil sheets instead of one as originally approved. (building 2-scannell properties)
Valuation:
N/A
Permit #:
CB190018-REV02
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to show two fire service connections on civil plans instead of one as originally approved. (building 1 - spec building)
Valuation:
N/A
Permit #:
CB190017-REV02A
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Under slab plumbing and non-structural slab work structural roof framing and steel work. (ti under separate permit)
Valuation:
$25,000
Permit #:
CM210076
Status:
final
Fee:
$760
Permit Type:
Misc
Building Type:
N/A
Ti-interior improvements at office space. new partitions restrooms and lighting.(alteration of shell for future tenant only - full tenant improvement submittal required prior to occupancy)
Valuation:
$75,000
Permit #:
TI190021
Status:
final
Fee:
$2,724
Permit Type:
Add/alter industrial
Building Type:
N/A
Revision 1-a storage mezzanine has been added and various wall layout changes (46, 920 sf improved tenant area)-sandhu products
Valuation:
N/A
Permit #:
TI210026-REV01
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Shamrock Development & Constru Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Shamrock Development & Constru License info
Verified License
| License # | 892492 |
| Status | Active |
| State | California |
| Type | General Engineering, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Shamrock Development & Constru at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
104
Permits
- Building permit records show that Shamrock Development & Constru has worked on 104 permitted projects.
Shamrock Development & Constru Employees
RC
Ryan Michael Callahan
Rmo / Ceo / Pres