Updated: Jun 28, 2026
Location and Projects
Address
401 IRWIN STREET, San Rafael, CA, 94901
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Patriot Mechanical Inc
Patriot Mechanical Inc, 401 Irwin St, San Rafael, CA (Employees: Daniel Rudolph Lemos, David Frank Trahan, and Jeffrey Alan Trahan) holds a Sheet Metal license and 1 other 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 Patriot Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Patriot Mechanical Inc Contact Information
Phone Number: (415) 747-0900
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Address: 401 IRWIN STREET, San Rafael, CA 94901
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Patriot Mechanical Inc San Rafael
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Patriot Mechanical Inc has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
9 projects
|
2025 |
|
9 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Patriot 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
|
17 projects
|
HVAC projects |
|
12 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Patriot Mechanical Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
The typical size of their permits is approximately $7,375. This graph shows the distribution of these job values.
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 Patriot Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 1m; replace two 80% efficiency furnaces
Valuation:
N/A
Permit #:
PMW20250116380
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace coil consdencing unit and air conditioning pad - same location - back of home - wui
Valuation:
$5,000
Permit #:
B2023-0866
Status:
final
Fee:
$192
Permit Type:
Residence HVAC re...
Building Type:
N/A
Work category: 1m; replace a furnace
Valuation:
N/A
Permit #:
PMW20250403282
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac equipment replacement
Valuation:
$10,000
Permit #:
M2504-040
Status:
final
Fee:
$125
Permit Type:
Air conditioning ...
Building Type:
N/A
Work category: 1m; supply and install 3.5-ton furnace. install a new air conditioning system to new furnace
Valuation:
N/A
Permit #:
PMW20240424331
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish 2 walk in coolers
Valuation:
$2,000
Permit #:
B2505-028
Status:
final
Fee:
$532
Permit Type:
Demolish commercial
Building Type:
N/A
Roof top hvac replacement
Valuation:
N/A
Permit #:
M2025-0007
Status:
final
Fee:
$174
Permit Type:
Commercial
Building Type:
N/A
Adding fan coil heat pump plus venting
Valuation:
$17,500
Permit #:
B40248
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Work category: 1m; install new fan coil and heat pump
Valuation:
N/A
Permit #:
PMW20251007635
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air conditioning change out
Valuation:
N/A
Permit #:
M22-037
Status:
final
Fee:
$331
Permit Type:
Mechanical only
Building Type:
N/A
Work category: 1m; removed existing furnace and replaced with air conditioning
Valuation:
N/A
Permit #:
PMW20220831532
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; inspect newly installed equipment. (3) fan coils (2) heat pumps
Valuation:
N/A
Permit #:
PMW20220609187
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; supply and install a 3.5 roof top package unit
Valuation:
N/A
Permit #:
PMW20240424329
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; adding air conditioning to existing unit
Valuation:
N/A
Permit #:
PMW20220224114
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; install new fan coil in upper attic space and heat pump mounted on roof curb with new flex ductwork sestback thermostat for complete air conditioning system
Valuation:
N/A
Permit #:
PMW20190725696
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; relocate existing furnace into garage area
Valuation:
N/A
Permit #:
PMW20241031831
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; supply and install three furnaces and three ductless split systems
Valuation:
N/A
Permit #:
PMW20200408011
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Crane on street for m2025-0007 atf
Valuation:
N/A
Permit #:
ENC2025-0018
Status:
filed
Fee:
$721
Permit Type:
Non utility
Building Type:
N/A
Residential - air conditioning installation + furnace replacement
Valuation:
$12,000
Permit #:
B-042361
Status:
final
Fee:
$269
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; replace existing fan coils and condensing units
Valuation:
N/A
Permit #:
PMW20210622417
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Patriot Mechanical Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Patriot Mechanical Inc License info
Verified License
| License # | 1029714 |
| Status | Active |
| State | California |
| Type | Sheet Metal |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Patriot Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 774738 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Sheet Metal |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Patriot 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
Insured
| Insurer | Gemini Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
145
Permits
- Building permit records show that Patriot Mechanical Inc has worked on 145 permitted projects.
Patriot Mechanical Inc Employees
DL
Daniel Rudolph Lemos
Member
DT
David Frank Trahan
Officer
JT
Jeffrey Alan Trahan
Sole Owner