Updated: Nov 21, 2025
Location and Projects
Address
Gilbert, AZ, 85233
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O Neill Mechanical Service Inc
O Neill Mechanical Service Inc, Gilbert, AZ (Employees: Amy Elizabeth Crymble, Michael Dennis O Neill, and Michael O'neill) holds a Specialty Dual license according to the Arizona license board.
Their BuildZoom score of 100 ranks in the top 13% of 71,576 Arizona licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring O Neill Mechanical Service Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
O Neill Mechanical Service Inc Services
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O Neill Mechanical Service Inc Contact Information
Phone Number: (480) 899-3178
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Building Permits by O Neill Mechanical Service Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial miscellaneous description of work: hvac upgrades new chiller installed effective building codes: 2018 ibc 2018 irc 2018 imc 2018 ipc 2018 upc 2018 ifgc 2018 ispsc 2017 nec 2018 phx fire code type of business:warehouse log#:2404155 project#:05-224 sprinklers: (n) fire alarm: (n) emergency lighting: (n) elevators:(n) special egress control:(n) specific building info:(n) deffe... see more
Valuation:
N/A
Permit #:
SME-24015368
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace cooling tower w same model
Valuation:
N/A
Permit #:
OSME-23020321
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Animal kennel hvac
Valuation:
$180,000
Permit #:
ME-19022555
Status:
final
Fee:
$1,461
Permit Type:
N/A
Building Type:
Non residential n...
Chiller replacement
Valuation:
N/A
Permit #:
SME-25011233
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ejector tank replacement
Valuation:
$100,000
Permit #:
SPE-19000811
Status:
final
Fee:
$2,898
Permit Type:
N/A
Building Type:
Additions & alter...
New chiller in existing machinery room
Valuation:
$820,000
Permit #:
PME-15010395
Status:
final
Fee:
$285
Permit Type:
N/A
Building Type:
Additions & alter...
R&r cooling tower
Valuation:
$245,000
Permit #:
SM-15027064
Status:
final
Fee:
$570
Permit Type:
N/A
Building Type:
Additions & alter...
Gas meter relocation
Valuation:
$50,000
Permit #:
PLMB-16015074
Status:
final
Fee:
$143
Permit Type:
N/A
Building Type:
Non residential n...
Chiller addition
Valuation:
N/A
Permit #:
ME-16018060
Status:
final
Fee:
$570
Permit Type:
N/A
Building Type:
Non residential n...
Refrigeration system modification
Valuation:
N/A
Permit #:
F236-1604084
Status:
final
Fee:
$950
Permit Type:
N/A
Building Type:
Fire prevention p...
Cooling tower replacement
Valuation:
$195,000
Permit #:
SME-17012814
Status:
final
Fee:
$1,566
Permit Type:
N/A
Building Type:
Additions & alter...
Chiller replacement
Valuation:
$200,000
Permit #:
PME-14022588
Status:
final
Fee:
$570
Permit Type:
N/A
Building Type:
Additions & alter...
Boiler and laundry demolish & remodel
Valuation:
$831,000
Permit #:
PME-15000868
Status:
final
Fee:
$1,425
Permit Type:
N/A
Building Type:
Additions & alter...
Refrig monitor and new gas line
Valuation:
$18,000
Permit #:
OPME-15025662
Status:
final
Fee:
$595
Permit Type:
N/A
Building Type:
Non residential n...
Colonnade garden- chillers
Valuation:
$102,000
Permit #:
PME-15008683
Status:
final
Fee:
$915
Permit Type:
N/A
Building Type:
Additions & alter...
La paz apartments - chiller replacement
Valuation:
$98,000
Permit #:
ME-14001623
Status:
final
Fee:
$887
Permit Type:
N/A
Building Type:
Additions & alter...
Replace cooling towers
Valuation:
$200,000
Permit #:
BLD-17018255
Status:
final
Fee:
$1,601
Permit Type:
N/A
Building Type:
Additions & alter...
Fountain pump replacement. inspections to be done by afp inspectors
Valuation:
$70,000
Permit #:
PME-14002674
Status:
OPEN
Fee:
N/A
Permit Type:
Fountain pump rep...
Building Type:
N/A
Replace fulid coolers
Valuation:
$250,000
Permit #:
PME-12000731
Status:
final
Fee:
$475
Permit Type:
N/A
Building Type:
Additions & alter...
Replace existing cooling towers
Valuation:
$200,000
Permit #:
ME-12000110
Status:
final
Fee:
$475
Permit Type:
N/A
Building Type:
Additions & alter...
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Verified License
BuildZoom confirmed this contractor's license
O Neill Mechanical Service Inc License info
Verified License
| License # | 143392 |
| Status | Active |
| State | Arizona |
| Type | Specialty Dual |
| Business Type | Corporation |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for O Neill Mechanical Service Inc at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
38
Permits
- Building permit records show that O Neill Mechanical Service Inc has worked on 38 permitted projects.
O Neill Mechanical Service Inc Employees
AC
Amy Elizabeth Crymble
Director Secretary Treasurer Vice President
MN
Michael Dennis O Neill
Qualifying Party
MO
Michael O'neill
Qualifying Party