Updated: Jun 04, 2026
Location and Projects
Address
12320 OAK KNOLL ROAD SUITE A, Poway, CA, 92064
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Ballas Plumbing
Ballas Plumbing, 12320 Oak Knoll Rd, Poway, CA (Owned by: Gustave Ballas Iv) holds a General Building, Plumbing license and 3 other licenses according to the California license board.
Their BuildZoom score of 97 ranks in the top 18% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ballas Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ballas Plumbing Services
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Ballas Plumbing Contact Information
Phone Number: (858) 231-3256
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Address: 12320 OAK KNOLL ROAD SUITE A, Poway, CA 92064
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Gas repair
Valuation:
N/A
Permit #:
PMT-3082700
Status:
complete
Fee:
$325
Permit Type:
N/A
Building Type:
N/A
Rockstar; interior sewer line repair (e-review)
Valuation:
N/A
Permit #:
CBC2022-0071
Status:
final
Fee:
N/A
Permit Type:
P/m/e
Building Type:
N/A
Gas line repair (e-review)
Valuation:
N/A
Permit #:
CBC2023-0174
Status:
final
Fee:
N/A
Permit Type:
P/m/e
Building Type:
N/A
No-plan - nonresidential/multifamily - plumbing:845/15th
Valuation:
N/A
Permit #:
PMT-3041022
Status:
complete
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
Natural gas repair
Valuation:
N/A
Permit #:
PMT-3007325
Status:
issued
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Kearny mesa..bldg; elect; mechanical & plumbing permits for proposed tenant improvement. for an (e) three story office building. scope includes a change of occupancy from b to a proposing new employee training classrooms on ground floor while leaving upper floors in a shell state for future tenant improvement. proposed interior demolition for all three floors with new int. partitions ... see more
Valuation:
$1,075,690
Permit #:
1203503
Status:
complete
Fee:
$42,307
Permit Type:
Add/alt tenant im...
Building Type:
N/A
University building electrical mechanical and plumbing permit for a propose interior tenant improvement to an existing office building no change of use is being propose. work to be done includes new mechanical unit duct work and register rework new sink new electrical panel lighting and receptacles located in base zone cn-1-2 cpioz-a geo haz 51
Valuation:
$125,860
Permit #:
1213861
Status:
complete
Fee:
$2,614
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown - building electrical mechanical and plumbing permits for a tenant improvement in an existing commercial building. work to include minor partition construction new casework new sink new storefront partitions new ceiling finishes and electrical outlets. zone ccpd-pc geo haz cat: 13
Valuation:
$195,720
Permit #:
1261742
Status:
complete
Fee:
$2,702
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown - building electrical mechanical and plumbing permits for a tenant improvement in an existing commercial building. work to include minor partition construction new casework new sink new storefront partitions new ceiling finishes and electrical outlets. zone ccpd-pc geo haz cat: 13
Valuation:
$121,170
Permit #:
1261703
Status:
complete
Fee:
$2,033
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown - building electrical mechanical and plumbing permits for a tenant improvement in an existing commercial building. work to include minor partition construction new casework new sink new storefront partitions new ceiling finishes and electrical outlets.zone ccpd-pc geo haz cat: 13
Valuation:
$95,340
Permit #:
1261644
Status:
complete
Fee:
$1,803
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown; building electric mechanical and plumbing permits for a restroom renovation in an existing theatre. work to include womens restroom renovations including non-bearing partitions ceiling millwork and fixture replacement as well as 7 additional new fixtures. new lighting and receptacles. extending the slab 160sf. zone: ccpd-core geo haz 13. ***scope revision 9/20/12 - scope of ... see more
Valuation:
$400,000
Permit #:
1010945
Status:
complete
Fee:
$5,191
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Mira mesa; building electrical mechanical and plumbing permits for an interior tenant improvement to an existing office suite (#300) in an existing commercial building. work to include demo/addition of partition walls new ductwork and registers demolish a sink and relocate one new electrical throughout. structure was originally built in 1988. zone: cv-1-1 & il-2-1/esl/geo 32&53
Valuation:
$609,210
Permit #:
1077230
Status:
complete
Fee:
$9,230
Permit Type:
Add/alt tenant im...
Building Type:
N/A
University: building mechanical electrical and plumbing permits for existing 18 story office building (built in 1990) to remove addition interior partition walls duct work new sink reflected ceiling and associated plumbing electrical and mechanical work. work will be performed only on the first 1st floor only. zone: cn-1-2 community plan implementation a geo haz 51& 52
Valuation:
$108,360
Permit #:
1082614
Status:
complete
Fee:
$2,651
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown: building mechanical electrical and plumbing permits for interior tenant improvement to and existing office space. work to include new partition walls new plumbing fixtures reflected ceiling electrical fixtures new air conditioning condensing unit duct work new bathroom exhaust systems fan coil relocate mechanical unit and associated electrical plumbing and mechanical work. z... see more
Valuation:
$587,650
Permit #:
1033384
Status:
complete
Fee:
$8,686
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Downtown - building electrical plumbing permits for interior tenant improvement at an existing assembly use. work includes selective demolish new partitions ceiling electrical lighting duct work and plumbing. ccpd-core geo haz 13 ***scope revision 9/20/12 - scope of work limited to restrooms only - voluntary upgrades to existing restrooms to meet ada requirements***
Valuation:
$88,270
Permit #:
1011134
Status:
complete
Fee:
$2,196
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Centre city - building electrical mechanical plumbing permits for interior tenant improvement to an existing office use. to includes: demolish interior non-bearing partition walls for offices ceiling repairs finishes new hvac sinks ductwork doors electrical mechanical plumbing work/zoned: ccpd-core geo haz 13 ste# 1200
Valuation:
$610,540
Permit #:
1025217
Status:
complete
Fee:
$8,481
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Tenant improvement to an existing office suite in an existing office building. no change in use. work to include demo and construction of partition walls, suspended ceiling, new sink for coffee area, mechanical ductwork, power & lighting.
Valuation:
$175,000
Permit #:
1021338
Status:
Cancelled - Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
Add/Alt Tenant Im...
University: building permit for tenant improvement to an existing office building work to include: demolish interior non-bearing wall ceiling ductwork finishes new storefront at 2nd floor lighting remove & replace (e) plumbing fixtures to 2nd & 3rd floor/zoned: ip-1-1/cstl 1st public roadway fire brush mgmnt
Valuation:
$418,000
Permit #:
877199
Status:
complete
Fee:
$17,631
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Mission valley: building elect mechanical plumbing for interior tenant improvement to include: demolish interior non-bearing partition walls reflected ceiling & ductwork millwork finishes relocate (e) sink & heat pump elect mechanical plumbing work for an existing office bldg/zoned: mvpd-mv-co fire brush geo. hazard 31
Valuation:
$51,100
Permit #:
1206321
Status:
complete
Fee:
$1,629
Permit Type:
Add/alt tenant im...
Building Type:
N/A
University building electrical mechanical and plumbing permit for a propose interior tenant improvement to an existing office building no change of use is being propose. work to be done includes new mechanical unit duct work and register rework new sink new electrical panel lighting and receptacles located in base zone cn-1-2 cpioz-a geo haz 51
Valuation:
N/A
Permit #:
1213867
Status:
complete
Fee:
$199
Permit Type:
Add/alt tenant im...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ballas Plumbing License info
Verified License
| License # | 300184 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ballas Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 869047 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Ballas Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 762957 |
| Status | Inactive |
| State | California |
| Type | General Building, Plumbing |
| 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 Ballas Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 991700 |
| Status | Inactive |
| State | California |
| Type | General Building, Plumbing |
| 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 Ballas Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
461
Permits
- Building permit records show that Ballas Plumbing has worked on 461 permitted projects.
Ballas Plumbing Employees
GI
Gustave Ballas III
Sole Owner
GI
Gustave Ballas Iv
Rme
GI
Gustave Ballas Iii
Owner
GI
Gustave Ballas Iv
Owner
RL
Roger Allen Luce
Rmo/Ceo/Pres