Updated: Jun 13, 2026
Location and Projects
Address
P O BOX 2715, Livermore, CA, 94551
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Magnum Construction Plumber
Magnum Construction, Livermore, Po Box 2715, Livermore, CA holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 116 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Magnum Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Magnum Construction Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Fire Sprinkler Systems
Electrical Work
Plumbing
Mechanical Work
Restaurant New Construction
Retail New Construction
Industrial New Construction
Warehouse New Construction
Other Commercial New Constr...
Warehouse Renovation
Whole Home Remodel
Modular Home Construction
Addition
Attic Remodel
Single Room Remodel
Magnum Construction Contact Information
Phone Number: (925) 998-3058
Address: P O BOX 2715, Livermore, CA 94551
Magnum Construction Livermore
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Magnum Construction has a BuildZoom score of 116, which places them above 98% of 336,931 contractors in California.
Activity
|
58 projects
|
2025 |
|
52 projects
|
2024 |
|
59 projects
|
2023 |
Our building permit records indicate that Magnum Construction has worked on at least
169.0 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
|
14 projects
|
Home Additions |
|
14 projects
|
New Constructions |
|
9 projects
|
Commercial Renovations |
|
103 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Magnum Construction mostly works on
plumbing project
and new construction
projects.
Pricing
|
19 projects
|
< $5k |
|
44 projects
|
$5k-$20k |
|
31 projects
|
$20k-$50k |
|
9 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $15,000. 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.
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². install new fire alarm for sprinkler monitoring system. (1) pull (1) heat (2) tamper (1) flow. ref permit 201208086815 and sprinkler permit 202403298965
Valuation:
N/A
Permit #:
E202505152447
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². install new fire alarm for sprinkler monitoring system. (1) pull (1) heat (2) tamper (1) flow. ref permit 201208086815 and sprinkler permit 202403298965
Valuation:
N/A
Permit #:
E202505152446
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire permit - fire sprinkler - commercial multi-family
2025-11-24
Replace existing pendent head to new tyco rfii concealed head and (1) dry pendent. total 34 heads. jj
Valuation:
$1,421,654
Permit #:
FR-2025-297976
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire permit - fire sprinkler - commercial multi-family
2025-04-10
Dropping (3) pendant heads from existing sprinkler system to the new soffit. jj
Valuation:
$561,384
Permit #:
FR-2025-297802
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: 4 of 4 - 9 floors. install new sounder per 2022 sffc section 1103.7.6.1; 2013 nfpa 72 section 18.4.5— “sleeping area requirements. for 34 studios. from existing fire alarm panel
Valuation:
N/A
Permit #:
E202504241957
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². install new fire alarm for fire sprinkler monitoring system 1 pull 1 flow 3 tamper. ref to arch pa# 202010096245 & sprinkler pa# 202210134291
Valuation:
N/A
Permit #:
E202506052967
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-install module for fire suppression system for remodel restaurant. 1 initiating device. mc
Valuation:
$1,421,654
Permit #:
FR-2025-299183
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 4pa; renew existing permit #pw20221017769 install new fire sprinkler per nfpa 13 for the ground floor only. included 2 underground fire service. total= 19 heads
Valuation:
N/A
Permit #:
PW20250331164
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new fire sprinkler system per nfpa 13r thrughout building included 2 combo & 1 1/4 underground fire service. total 52 heads. ref to 201607122060
Valuation:
$37,600
Permit #:
202505196740
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel of (e) home office to (n) adu with 1 bedroom bathroom and kitchen. new adu is built within (e) building footprint. adu cal state law govt code ss 65852.2 to be unit #6
Valuation:
$76,510
Permit #:
202407257267
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Work category: 4pb; install new fire sprinkler system per nfpa 13r throughout the building included 2 underground fire service. ref. sprinkler permit # 202212168519
Valuation:
N/A
Permit #:
PW20250211987
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new fire alarm for sprinkler monitoring system. (1) pull (1) heat (2) tamper (1) flow. ref permit 201208086815 and sprinkler permit 202403298965
Valuation:
$12,723
Permit #:
202505055775
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Online electrical permit: 60 of buildings of 6 dwelling units or less. relocate (3) existing horn/strobes for remodel office fire alarm permit # 202002184736
Valuation:
N/A
Permit #:
E202503241160
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 5, 001 - 10, 000 ft². install new fire alarm for fire sprinkler monitoring system with low-frequency sounder smoke detectors manual pull station water flow tamper and horn
Valuation:
N/A
Permit #:
E202403072881
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: 1 of buildings with more than 12 dwelling units and non-residential occupany - building up to 3 floors. upgrade existing fire alarm system to comply with sffc 1103.7.6.1 addition 26 low frequency sounder for the building
Valuation:
N/A
Permit #:
E202407305940
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: 1 of buildings with more than 12 dwelling units and non-residential occupany - building up to 3 floors. install new fire alarm for fire sprinkler monitoring system. (1) flow (2) tamper. (1) pulll and (1) heat detector
Valuation:
N/A
Permit #:
E202407085409
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: 1 of buildings with more than 12 dwelling units and non-residential occupany - building up to 3 floors. install new fire alarm for fire sprinkler monitoring system. (1) flow (2) tamper. (1) pulll and (1) heat detector
Valuation:
N/A
Permit #:
E202407085408
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new fire alarm for fire sprinkler monitoring system 1 pull 1 flow 3 tamper. ref to arch pa# 202010096245 & sprinkler pa# 202210134291
Valuation:
$14,525
Permit #:
202505055779
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
***priority process***to erect an 8-story type-1a mixed use building w 46 residential units and 1 basement. (n) building will be on both lot 6956/004 & 6956/005. **to comply w maher ord# 155-13 route to health**
Valuation:
$11,098,927
Permit #:
201912139512
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Extend 11 (e) pendent drop to new ceiling height with new pendent head. adding 1 pendent head to new closet ref pa # 2024-1203-6010
Valuation:
$8,000
Permit #:
202506239244
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
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Verified License
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Magnum Construction License info
Verified License
| License # | 390246 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Magnum Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 901895 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Fire Protection, Plumbing |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Magnum Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 850488 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Magnum Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Insured
| Insurer | Exempt |
Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Employers Compensation Insurance Company |
754
Permits
- Building permit records show that Magnum Construction has worked on 754 permitted projects.