Updated: May 18, 2026
Location and Projects
Address
2034 MONTGOMERY AVENUE, Cardiff, CA, 92007
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Bumann Builders Construction
Bumann Builders, 2034 Montgomery Ave, Cardiff, CA (Employees: Carl Leigh Bumann and Ronald George Bumann) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Bumann Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Bumann Builders Services
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Bumann Builders Contact Information
Phone Number: (760) 721-5800
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Address: 2034 MONTGOMERY AVENUE, Cardiff, CA 92007
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Bumann Builders Cardiff
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Bumann Builders has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that Bumann Builders has worked on at least
2.0 projects over the past year.
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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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.
Trade permit for residential new installation - mechanical | electrical | plumbing
2025-03-03
Convert electric meter to a 2 in 1 electric meter so as to have separate meters one for the house ans one for the adu
Valuation:
$3,000
Permit #:
MEPR-034562-2025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Trade permit for residential new installation - mechanical | electrical | plumbing
2025-03-03
Adding a second gas meter to service the adu. the adu was added in 2019
Valuation:
$3,000
Permit #:
MEPR-034467-2025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert front porch to kitchen and living room space
Valuation:
$39,600
Permit #:
BLDR-033138-2024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Trade permit for residential alteration & repair - mep mechanical | electrical | plumbing
2025-01-20
Addition a second gas meter for unit-2. unit-2 is an adu. the main house is unit-1
Valuation:
$3,000
Permit #:
MEPR-034441-2025
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Bumann Builders Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Bumann Builders License info
Verified License
| License # | 774553 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Bumann Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 330176 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | 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. If this is your business, please update your license status.
Check this license's status for Bumann Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Bumann Builders Employees
CB
Carl Leigh Bumann
Sole Owner
RB
Ronald George Bumann
Sole Owner