What permits and licenses does A-1 Pepperworth Plumbing hold in Washington?

A-1 Pepperworth Plumbing, Inc. holds active Plumbing Contractor License #1PEPPPP791RZ (legacy #A1PEPP*211QB) with the WA Department of Labor & Industries under UBI #600335572. The firm holds certified backflow licenses with the Lake Whatcom Water and Sewer District and active municipal permits in Blaine and Bellingham.

What is City of Blaine Permit PLMB-8-12?

City of Blaine Permit PLMB-8-12 was applied for on Dec 17, 2012 and issued on Dec 18, 2012 for Sall LLC at 598 14th St, Blaine, WA. It detailed approved work for water heater modifications (P-Water Heater), internal water piping distribution systems (P-Water Piping), and sanitary water closets (P-Watercloset) under the Uniform Plumbing Code.

Official Regulatory Archive

Municipal Permits & State Compliance

Exhaustive forensic records covering Washington Department of Labor & Industries filings, municipal building permits, and Lake Whatcom reservoir protection compliance.

Washington State Master Regulatory Record

Unified Business Identifier & L&I Contractor Licensing

Corporate Entity

A-1 Pepperworth Plumbing, Inc.

Washington C-Corporation

State UBI Identifier

#600335572

Inc. Date: April 13, 1979

Primary L&I License

#1PEPPPP791RZ

Legacy ID: #A1PEPP*211QB

LWWSD Certification

Certified Backflow Tester

WAC 246-290-490 Compliant

Hydraulic Simulation Engine

WAC 246-290-490 Backflow Assembly Hydraulics

Simulate pressure differentials across Double Check Valve Assemblies (DCVA) & RPBA.

Municipal Supply Pressure

65 PSI

Downstream Property Pressure

45 PSI

Lake Whatcom Mains

POTABLE

CHECK VALVES OPEN

💧 100% SECURE FLOW

Facility / Commercial

CLIENT

Normal Hydraulics: Municipal supply pressure (65 PSI) exceeds downstream pressure (45 PSI). Water flows forward smoothly into client facility.

City of Blaine Permit PLMB-8-12 Audit

Uniform Plumbing Code Verification & Commercial Scope

Permit Record Metadata

Permit Number: PLMB-8-12
Application Date: December 17, 2012
Issuance Date: December 18, 2012
Property Owner / Client: Sall LLC
Site Address: 598 14th St, Blaine, WA

Verified Installation Scope

P-Water Heater: Commercial water heater installation & modification.
P-Water Piping: Complex internal potable water piping distribution network.
P-Watercloset: Sanitary water closet rough-in & fixture installation.

Permit Field Inspection Gallery

Visual Documentation of Uniform Plumbing Code (UPC) Compliance Inspections

Expand Project Specs (1/3)

Municipal Permits 3 Photos in Project

Phase 2: Copper Fitting

Underground Pressurized Water Main Repair Project

Phase 2: Underground pressurized water main copper solder connection installed in sub-surface trench.

Blaine, WA 2026-07-19

Expand Project Specs (1/1)

Municipal Permits

Ground Rough-In Under-Slab Drainage Inspection

Ground rough-in under-slab PVC DWV drainage piping, cleanouts, and supply conduits laid out prior to concrete slab pour for a newly constructed house.

Blaine, WA 2026-07-19

Expand Project Specs (1/1)

Municipal Permits

Residential Laundry DWV & Fire-Rated OxBox Stack

In-wall PVC DWV washing machine drain stack with Fire-Rated Sioux Chief OxBox outlet box and P-trap assembly.

Bellingham, WA 2026-07-19