Updated: May 28, 2026
Location and Projects
Address
P O BOX 309, Corona, CA, 92878
Use our bidding system to
request a quote
NP Mechanical Inc
NP Mechanical Inc, Corona, Po Box 309, Corona, CA (Employees: Cecil Joseph Hallinan and Richard James Hallinan) holds a General Building, Fire Protection, Plumbing, Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring NP Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
NP Mechanical Inc Contact Information
Phone Number: (951) 667-4220
Edit
Address: P O BOX 309, Corona, CA 92878
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
NP Mechanical Inc Corona
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
NP Mechanical Inc has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
916 projects
|
2025 |
|
839 projects
|
2024 |
|
566 projects
|
2023 |
Our building permit records indicate that NP Mechanical Inc has worked on at least
2321.0 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
|
171 projects
|
New Constructions |
|
9 projects
|
Commercial Renovations |
|
4 projects
|
Home Additions |
|
8 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that NP Mechanical Inc mostly works on
new construction
and commercial renovation
projects.
Pricing
|
170 projects
|
< $5k |
|
42 projects
|
$5k-$20k |
|
5 projects
|
$500k-$1mil |
The typical size of their permits is approximately $2,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Nutmeg apartments: building 14 type b permit-inspection only-master plan review fire-asu-2024-00827 design and installation of new nfpa 13 overhead fire sprinkler system (558 heads)
Valuation:
$0
Permit #:
FIRE-ASU-2025-00878
Status:
issued
Fee:
$580
Permit Type:
N/A
Building Type:
N/A
Nfpa 13d fire sprinkler system for 7 units in building #14 only. 8 main domestic water meter with backflow
Valuation:
N/A
Permit #:
24043-20000-03220
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Adaptive reuse and change of use. nfpa 13 fire sprinkler system. includes standpipes fire pump 8 fire meter and 8 bfp
Valuation:
N/A
Permit #:
24043-10000-02433
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
“stonebrook meadows” tract: (18167) lot: (8) phase: (6a) plan: (2) reference to master plan pr# (22-0949) new fire sprinklers system to new house living space only installation of fire sprinkler system to single family dwelling (24) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000334
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“stonebrook meadows” tract: (18167) lot: (7) phase: (6a) plan: (1) reference to master plan pr# (22-0948) new fire sprinklers system to new house living space only installation of fire sprinkler system to single family dwelling (20) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000333
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“stonebrook meadows” tract: (18167) lot: (6) phase: (6a) plan: (1) reference to master plan pr# (22-0948) new fire sprinklers system to new house living space only installation of fire sprinkler system to single family dwelling (20) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000332
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“stonebrook meadows” tract: (18167) lot: (5) phase: (6a) plan: (2) reference to master plan pr# (22-0949) new fire sprinklers system to new house living space only installation of fire sprinkler system to single family dwelling (24) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000331
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (70) plan: (2) reference to master plan pr# 22-0894 living space only (21) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000235
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (69) plan: (3) reference to master plan pr# 22-0895 & 23-0117 living space only (27) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000234
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (68) plan: (3) reference to master plan pr# 22-0895 & 23-0117 living space only (27) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000233
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (67) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000232
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (66) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000231
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (65) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000230
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (16) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000229
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (15) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000228
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (14) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000227
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
“artisan” phase: (5) tract: (18174) new fire sprinklers system to new house lot: (13) plan: (1) reference to master plan pr# 22-0893 & 23-0115 living space only (22) heads (1) riser plan review fee includes (2) inspection -- each additional inspection will be an additional cost due at time of service
Valuation:
$2,000
Permit #:
PR20240000226
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Shell and core plumbing system for modular units ( state approved). including potable water waste and vent systems. 4 water meter and 4 rp backflow device. this plan check covers the water sewer and vent system outside of the modular units
Valuation:
N/A
Permit #:
22042-10003-25958
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install a new nfpa 13d sprinkler system. 8-inch master domestic meter with 8-inch master rp backflow preventer. plan type 200
Valuation:
N/A
Permit #:
25043-20000-01100
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install a new nfpa 13d sprinkler system. 8-inch master domestic meter with 8-inch master rp backflow preventer. plan type 200
Valuation:
N/A
Permit #:
25043-20000-01101
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Similar Contractors See more
128
BZ Score
$26.4K
Avg Project
-
Projects
133
BZ Score
$12.3K
Avg Project
-
Projects
137
BZ Score
$14K
Avg Project
-
Projects
NP Mechanical Inc Reviews
BuildZoom hasn't received any reviews for NP Mechanical Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
NP Mechanical Inc License info
Verified License
| License # | 890694 |
| Status | Active |
| State | California |
| Type | General Building, Fire Protection, Plumbing, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for NP Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 935240 |
| Status | Inactive |
| State | California |
| Type | Fire Protection, Plumbing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for NP Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| Status | Unable To Verify |
| Business Type | Corporation |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Department Of Industrial Relations |
6K
Permits
- Building permit records show that NP Mechanical Inc has worked on 6010 permitted projects.
NP Mechanical Inc Employees
CH
Cecil Joseph Hallinan
Rmo / Ceo / Pres
RH
Richard James Hallinan
Rmo/Ceo/Pres