Updated: May 03, 2026
Location and Projects
Address
190 SIERRA CT STE B1, Palmdale, CA, 93550
Use our bidding system to
request a quote
Jmc Mechanical Inc
Jmc Mechanical Inc, 190 Sierra Ct, Palmdale, CA (Employees: John Leroy Mc Alister and Michael Frank Holzer) holds a Warm Air Heating, Ventilating And Air Conditioning, Plumbing license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jmc Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Jmc Mechanical Inc Contact Information
Phone Number: (661) 214-7264
Edit
Address: 190 SIERRA CT STE B1, Palmdale, CA 93550
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnish and install all required plumbing piping and new plumbing fixtures eye/shower emergency wash drain box with water hammer arrestor and ½ hot water connection and 2 waste drain air compressor bfp-1 wilkins backflow preventer bfp-2 wilkins backflow preventer 3 floor drain tp-1 precision plumbing trap primer for the 3 floor drain tmv-1 powers -lfg480 for hand washing sinks tmv-2 h... see more
Valuation:
N/A
Permit #:
23042-90000-00637
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolition of (1) existing drinking fountain and replaced with (1) new drinking fountain on 5th floor. rework plumbing and install (1) new drinking fountain on 6th floor
Valuation:
N/A
Permit #:
25042-90000-14873
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish existing sink and associated piping back to main. install new sink and rework point of connection for associated piping
Valuation:
N/A
Permit #:
25042-90000-14052
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install sink faucet and garbage disposal
Valuation:
N/A
Permit #:
25042-90000-02317
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water and waste/vent tenant improvement on first floor of 8 story medical office building. replace and install new fixtures. additional load added to existing sewage ejector system
Valuation:
N/A
Permit #:
19042-10000-17718
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolition of existing plumbing fixtures and piping. installation of new fixture and associated piping
Valuation:
N/A
Permit #:
24042-90000-15233
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove existing sink and faucet provide and install new sink and faucet
Valuation:
N/A
Permit #:
25042-90000-13189
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide all required plumbing scope in restrooms: first floor; tlpub 1800 1801 1036 1040 1482 1484 2nd floor; tlgen 2105 2107 provide labor to demolish all fixtures cap water supply and waste lines during construction. prepare existing rough in for new fixtures. furnish and install new plumbing fixtures. snake all drain lines up to 50 ft. chlorination of new piping only
Valuation:
N/A
Permit #:
19042-90000-00180
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish existing sterilizer equipment. install new sterilizer equipment
Valuation:
N/A
Permit #:
22042-90000-19957
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish existing plumbing fixture. provide new fixture and accesories
Valuation:
N/A
Permit #:
21042-90000-03183
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide all required demolition and cap of existing fixtures. furnish and install all required plumbing in rooms ptedu 1483 trthp 1428 & trthp 1429
Valuation:
N/A
Permit #:
19042-90000-28770
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish and install 6 plumbing fixtures
Valuation:
N/A
Permit #:
22042-90000-22003
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
To cut and cap all existing plumbing fixtures and infrastructure. install new sink water filtration system and electric water heater
Valuation:
N/A
Permit #:
20042-90000-08957
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide all labor equipment and materials to furnish and install (2) new cold water and (2) new floor sinks (1) back flow preventer
Valuation:
N/A
Permit #:
19042-90000-29807
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide labor and material to connect plumbing fixtures with temp trailers
Valuation:
N/A
Permit #:
21042-90000-18977
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Furnish and install new sink and sensor faucet
Valuation:
N/A
Permit #:
21042-90000-83409
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove one sink off of wall and put back into place
Valuation:
N/A
Permit #:
24042-90000-08453
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide labor and materials to cap existing plumbing lines as required and furnish and install new fixtures
Valuation:
N/A
Permit #:
18042-90000-24957
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish existing sterilizer equipment. install new sterilizer equipment
Valuation:
N/A
Permit #:
21042-90000-83654
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Provide all plumbing work to furnish and install new faucet with supplies p trap and angle stop valves
Valuation:
N/A
Permit #:
20042-90000-12877
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Similar Contractors See more
142
BZ Score
$6K
Avg Project
-
Projects
138
BZ Score
-
Avg Project
-
Projects
146
BZ Score
$9.2K
Avg Project
-
Projects
Jmc Mechanical Inc Reviews
BuildZoom hasn't received any reviews for Jmc Mechanical Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Jmc Mechanical Inc License info
Verified License
| License # | 1031992 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Jmc Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
20
Permits
- Building permit records show that Jmc Mechanical Inc has worked on 20 permitted projects.
Jmc Mechanical Inc Employees
JA
John Leroy Mc Alister
Ceo / President
MH
Michael Frank Holzer
Rmo