Updated: May 21, 2026
Location and Projects
Address
P.O.Box 2764, Berkeley, CA, 94702
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A.T. P. Plumbing Photos
A.T. P. Plumbing
Tom Petersen, owner of ATP Plumbing, has been a plumber for over 25 years. He has operated plumbing businesses in Boulder, Co, Davis, CA and now Berkeley. He holds both a Journeyman and Master Plumber's License. His years of experience will make a big difference to the success and ease of your next plumbing project.
From BuildZoom:
A.T. P. Plumbing at P.O.Box 2764, Berkeley, CA 94702, held a Plumber license (#775528) with the California contractors license board with an expiration date of 03-31-2025. We last verified the license was expired on 05-20-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
A.T. P. Plumbing Services
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A.T. P. Plumbing Contact Information
Phone Number: (510) 928-8807
Address: P.O.Box 2764, Berkeley, CA 94702
This is a sample of this contractor's permits. Click here to access their complete permit history.
New sewer lateral per approved plans. backwater valve may be needed. call inspection prior to start: 510-238-3651. create new five foot (5') private sewer easement across portion of lot for the benefit of parcel 048a-7064-009-00: 5909 ross street
Valuation:
N/A
Permit #:
SL1000636
Status:
final
Fee:
$979
Permit Type:
N/A
Building Type:
N/A
New sewer lateral per approved plans. backwater valve may be needed. call inspection prior to start: 510-238-3651. create new five foot (5') private sewer easement across portion of lot for the benefit of parcel 048a-7064-009-00: 5909 ross street
Valuation:
N/A
Permit #:
X1001235
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Abandon sewer lateral to ross street. new five foot (5') private sewer easement across portion of lot for benefit of parcel 048a-7064-009-00: 5909 ross street. call inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
SL1000637
Status:
final
Fee:
$351
Permit Type:
N/A
Building Type:
N/A
Abandon sewer lateral to ross street. new five foot (5') private sewer easement across portion of lot for benefit of parcel 048a-7064-009-00: 5909 ross street. call inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
X1001236
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Replace water service and water piping as needed and replace water heater with gas alteration
Valuation:
N/A
Permit #:
RP1401244
Status:
final
Fee:
$239
Permit Type:
N/A
Building Type:
N/A
(p) - plumbing - 3+ residential units or commercial (building)
2014-09-30
Plumbing -convert 1st story b occupancy to r-7 j.l.w.q 1 shower 1 toilet 1 tub 1 waste/vent
Valuation:
N/A
Permit #:
P1302291
Status:
final
Fee:
$746
Permit Type:
N/A
Building Type:
N/A
Replace water heater at single family dwelling. addition gas test
Valuation:
N/A
Permit #:
RP1600711
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Kitchen upgrade replace water heater install new kitchen appliances upgrade electrical service replace base cabinets and counter top * added plumbing permit by sub. sbb
Valuation:
$14,000
Permit #:
1000001248
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
Repair/replace sewer lateral and excavate in public right-of-way. backwater valve may be needed. call pwa inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
SL1000678
Status:
final
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
Repair/replace sewer lateral and excavate in public right-of-way. backwater valve may be needed. call pwa inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
X1001339
Status:
issued
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
Replace water service and water piping as needed and replace water heater with gas alteration
Valuation:
N/A
Permit #:
RP1401244
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water heater at single family dwelling. addition gas test
Valuation:
N/A
Permit #:
RP1600711
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install tankless water heater (1 gas line from meter); install earthquake shut off valve @ gas meter - little firefighter model: agv 100 - 1 inch vertical
Valuation:
$2,200
Permit #:
P08-0040
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2015-04-07
Replace boiler - same location
Valuation:
N/A
Permit #:
RM1500433
Status:
final
Fee:
$181
Permit Type:
N/A
Building Type:
N/A
Installation of radiant floor heating to lower level
Valuation:
N/A
Permit #:
RM1601029
Status:
final
Fee:
$363
Permit Type:
N/A
Building Type:
N/A
Repair/replace sewer lateral and excavate in public right-of-way. backwater valve may be needed. call pwa inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
SL1000678
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair/replace sewer lateral and excavate in public right-of-way. backwater valve may be needed. call pwa inspection prior to start: 510-238-3651
Valuation:
N/A
Permit #:
X1001339
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New plumbing: 1 clothes washer 1 waste/vent 1 water alter 1 gas dryer. mechanical: 1 gas test low 1 dryer vent
Valuation:
N/A
Permit #:
RM1100179
Status:
final
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Replace boiler - same location
Valuation:
N/A
Permit #:
RM1500433
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace upper sewer lateral; install curb c/o; ep# 12-268
Valuation:
N/A
Permit #:
177412
Status:
FINALED
Fee:
N/A
Permit Type:
Co
Building Type:
Sf
A.T. P. Plumbing Reviews
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A.T. P. Plumbing License info
Inactive License
| License # | 775528 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Sanitation System |
| 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.
Check this license's status for A.T. P. Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
34
Permits
- Building permit records show that A.T. P. Plumbing has worked on 34 permitted projects.