Updated: May 17, 2026
Location and Projects
Address
P O BOX 5311, Hercules, CA, 94547
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Impressive Plumbing
Impressive Plumbing, Hercules, Po Box 5311, Hercules, CA (Owned by: Mario Edmund Dilosa) holds a Plumbing license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Impressive Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Impressive Plumbing Services
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Impressive Plumbing Contact Information
Phone Number: (415) 797-0246
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Address: P O BOX 5311, Hercules, CA 94547
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace upper sewer lateral (upgrade 4 to 6 line); ep# 09-145 (ep taken out 8/20/09)
Valuation:
N/A
Permit #:
159075
Status:
FINALED
Fee:
N/A
Permit Type:
Co
Building Type:
Mf
Replace upper sewer lateral (upgrade 4" to 6" line); ep# 09-145 (ep taken out 8/20/09)
Valuation:
N/A
Permit #:
159075
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair sewer in courtyard of church
Valuation:
N/A
Permit #:
BI424926
Status:
final
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
Installation of up to 15 feet of kitchen line and hot and cold water lines
Valuation:
N/A
Permit #:
432588
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of new house trap and up to 10 feet of adjoining sewer pipe
Valuation:
N/A
Permit #:
458354
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re inspection of gas line repair - amendment to permit no. 481145
Valuation:
N/A
Permit #:
482361
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install water service water heater new fixtures and new fuacets
Valuation:
N/A
Permit #:
433769
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of house trap and upt to 10 feet of adjoining pipe
Valuation:
N/A
Permit #:
479966
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of house trap and up to 15 feet of adjoining pipe
Valuation:
N/A
Permit #:
461449
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of house trap and up to 30 feet of adjoining pipe
Valuation:
N/A
Permit #:
461447
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of up to 50 feet of sewer pipe and house trap
Valuation:
N/A
Permit #:
459703
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of house trap and up to 10 feet of adjoining pipe
Valuation:
N/A
Permit #:
458847
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
House trap replacement and up to 10 feet of adjoining piping
Valuation:
N/A
Permit #:
458846
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of house trap and up to 10 feet of sewer pipe
Valuation:
N/A
Permit #:
450388
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Final inspection on washbowl - amendment to permit no. 434769
Valuation:
N/A
Permit #:
442861
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re inspection on sewer test - amendment to permit no. 439332
Valuation:
N/A
Permit #:
439655
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace house trap and up to 10 feet of adjoining pipe
Valuation:
N/A
Permit #:
481362
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Houe trap replacement and up to 50 ft of adjoining pipe
Valuation:
N/A
Permit #:
476766
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new houe trap and up to 15 feet of adjoining pipe
Valuation:
N/A
Permit #:
462360
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reinspection on sewer - amendment to permit no. 458354
Valuation:
N/A
Permit #:
459248
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Impressive Plumbing License info
Verified License
| License # | 791342 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Impressive Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
34
Permits
- Building permit records show that Impressive Plumbing has worked on 34 permitted projects.
Impressive Plumbing Employees
MD
Mario Edmund Dilosa
Owner
Met Mario on the street and ask him if he does commercial hydro jetting and he said yes-"Look at my truck and you can see" Sure enough his line goes out about 300'+. Asked him if he would come down to Pacifica and he said only if his earlier customer isn't ready. He called back the same day and said Yes he can and came 1/2hr early. He had many plumbers come work on our sewer line and had limited success. Mario is a very fast learner and explained all the problems with our sewer line. He worked very hard on the clean up. Very honest and reliable. Mario deserve a 5 star rating.