Location and Projects
Address
2491 GRACE ST, Riverside, CA, 92504
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ADVANCED UNDERGROUND SYSTEMS Engineer
ADVANCED UNDERGROUND SYSTEMS, 2491 Grace St, Riverside, CA (Owned by: Timothy James Taylor) holds a Sanitation System, General Engineering license according to the California license board.
Their BuildZoom score of 84 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ADVANCED UNDERGROUND SYSTEMS, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
ADVANCED UNDERGROUND SYSTEMS Services
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ADVANCED UNDERGROUND SYSTEMS Contact Information
Phone Number: (951) 634-7628
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Address: 2491 GRACE ST, Riverside, CA 92504
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ADVANCED UNDERGROUND SYSTEMS Reviews
1 out of 5 stars, based on
1
review
-
By DanJanuary 12, 2018septic system replacement
Building Permits by ADVANCED UNDERGROUND SYSTEMS
This is a sample of this contractor's permits. Click here to access their complete permit history.
To finalize se1708070001 install new micro septic treatment tank and 1 new seepage pit and abandon existing septic tank and seepage pit
Valuation:
N/A
Permit #:
1809110002
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandon (e) septic system & install new jet treatment plant w 20'x40 geo flow leach field & 1000-gal effluent holding sump pump
Valuation:
N/A
Permit #:
1811270001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New septic installation
Valuation:
N/A
Permit #:
2009240001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install advanced treatment septic and one seepage pit/pump basin
Valuation:
N/A
Permit #:
1801160001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new advanced treatment septic
Valuation:
N/A
Permit #:
B18-0661
Status:
final
Fee:
$224
Permit Type:
Other
Building Type:
N/A
Install (n) advanced treatment septic system with 2 primary seepage pits and 2 future seepage pits with diverter valve
Valuation:
N/A
Permit #:
1704250002
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new micro septic treatment tank and 1 new seepage pit and abandon existing septic tank and seepage pit
Valuation:
N/A
Permit #:
1708070001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandon(e) septic system and install (n) advanced treatment septic system with 4 seepage pits
Valuation:
N/A
Permit #:
1708310001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new advanced treatment septic system. jet inc j1250 and 5 seepage pits install pump basin for basement to treatment tanks
Valuation:
N/A
Permit #:
1501070001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new advanced treatment septic system w 4 primary seapage pits
Valuation:
N/A
Permit #:
1704250001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandon (e) septic tank and 2 seepage pits; install new advanced treatment septic system with 1 new seepage pit
Valuation:
N/A
Permit #:
1411180001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install a new atv septic system consisting of 1 treatment tank and four seepage pits
Valuation:
N/A
Permit #:
1602160001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandon (e) septic system and install new advanced treatment septic and 1 seepage pit
Valuation:
N/A
Permit #:
1507080002
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new advanced treatment system with seepage pit
Valuation:
N/A
Permit #:
1710180004
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandon (e) septic tank and 2 seepage pits install (n) advanced treatment septic system and 1 seepage pit
Valuation:
N/A
Permit #:
1411120002
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new onsite waste water treatment system with 3 rock leach lines
Valuation:
N/A
Permit #:
1508040001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Abandone 2 pods and install new advanced treatment system w new seapage pit
Valuation:
N/A
Permit #:
1504280001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
On site sewer connection ***see permit #16-5552 for demolish septic tank and leach line***
Valuation:
$3,200
Permit #:
16-5553
Status:
final
Fee:
N/A
Permit Type:
Comb
Building Type:
N/A
Install new septic system 1 pretreat tank 1 tank and 2 pit
Valuation:
N/A
Permit #:
1502180001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish septic tank and leach line ***see permit #16-5553 for sewer connection***
Valuation:
$1,500
Permit #:
16-5552
Status:
final
Fee:
N/A
Permit Type:
Demolish
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
ADVANCED UNDERGROUND SYSTEMS License info
Verified License
| License # | 879314 |
| Status | Active |
| State | California |
| Type | Sanitation System, General Engineering |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for ADVANCED UNDERGROUND SYSTEMS at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
84
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
30
Permits
- Building permit records show that ADVANCED UNDERGROUND SYSTEMS has worked on 30 permitted projects.
ADVANCED UNDERGROUND SYSTEMS Employees
TT
Timothy James Taylor
Owner
Tim Taylor originally told us it would cost $9 -12,000. After the engineering report, he changed his bid to $19,000! We went with him because he said he could do it in 2 weeks, but it took 5. Now, 1 year later we have sewage bubbling up and he will not return our calls. Save yourself time, money, and anguish.