Updated: Feb 13, 2026
Location and Projects
Address
9552 TOPANGA CANYON BLVD, Chatsworth, CA, 91311
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L&M Mechanical Inc
L&M Mechanical Inc, 9552 Topanga Canyon Blvd, Chatsworth, CA (Employee: Roger Hovsep Mamigonian) holds a Warm Air Heating, Ventilating And Air Conditioning, Refrigeration license 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 L&M Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
L&M Mechanical Inc Contact Information
Phone Number: (818) 886-8987
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Address: 9552 TOPANGA CANYON BLVD, Chatsworth, CA 91311
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L&M Mechanical Inc Chatsworth
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
L&M Mechanical Inc has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
5 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that L&M Mechanical Inc has worked on at least
23.0 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
|
20 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that L&M Mechanical Inc mostly works on
hvac project
projects.
Pricing
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.
Hvac air distribution tenant improvement. replaced five water source heat pumps units with new ones like for like in capacity
Valuation:
N/A
Permit #:
25044-90000-01829
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installing 8 duct type smoke detectors and performing a witness test
Valuation:
N/A
Permit #:
25044-90000-05349
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacing a packaged cooling unit with a like for like replacement
Valuation:
N/A
Permit #:
25044-90000-05348
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Modifying portion of existing air distribution duct work in order to match new floor plan. installing two water source heat pump units. relocating an existing server room ductless split system and installing new registers and grills
Valuation:
N/A
Permit #:
21044-90000-00281
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Witness testing for two newly installed units 8 and 9
Valuation:
N/A
Permit #:
25044-90000-00674
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition one duct type smoke detector and perform one witness test for the rooftop air handling unit 13
Valuation:
N/A
Permit #:
23044-90000-12773
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install an evap cooler for 113 and install five duct type smoke detectors and 36 air inlets and outlets
Valuation:
N/A
Permit #:
23044-90000-04286
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacing a new like for like in capacity boiler with a new one
Valuation:
N/A
Permit #:
24045-90000-00668
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Performing air distribution modifications. replacing quantity of 8 vav boxes
Valuation:
N/A
Permit #:
25044-90000-06265
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
We will be adding 7 total air inlets and outlets and performing a witness test. also modifying existing duct work
Valuation:
N/A
Permit #:
21044-90000-07988
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install air handling units lcoated in closet spaces in apartments 125 219 207 107 206 204
Valuation:
N/A
Permit #:
24044-90000-15502
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replacing two existing air conditioning rooftop packaged units with new like for like units
Valuation:
N/A
Permit #:
24044-90000-09848
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installing a 2 ton ductless split system for the server room
Valuation:
N/A
Permit #:
25044-90000-07482
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacing roof top packaged unit with a new like for like roof top packaged unit
Valuation:
N/A
Permit #:
24044-90000-08068
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacing existing roof top fan coil with a new one
Valuation:
N/A
Permit #:
23044-90000-02353
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installing a total of 4 duct type smoke detectors and performing witness testing on a total of 11 hvac units
Valuation:
N/A
Permit #:
21044-90000-02673
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace (5) indoor furnaces like for like in 2nd floor mechanical room
Valuation:
$50,000
Permit #:
BS2206963
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family res...
Replace (5) indoor furnaces like for like in 2 nd floor mechanical room
Valuation:
$50,000
Permit #:
BS2206963
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing a packaged cooling unit with a like for like replacement
Valuation:
N/A
Permit #:
24044-90000-06820
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
One boiler replacemen in basement (same location)
Valuation:
$30,000
Permit #:
BS2106771
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured med ...
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L&M Mechanical Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
L&M Mechanical Inc License info
Verified License
| License # | 672198 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Refrigeration |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for L&M Mechanical Inc 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 | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
116
Permits
- Building permit records show that L&M Mechanical Inc has worked on 116 permitted projects.
L&M Mechanical Inc Employees
RM
Roger Hovsep Mamigonian
Rmo