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septic contractor listed in Longview, WA

Molecular Inc

Longview business address · public details checked Aug 31, 2026

Active Washington contractor registration
Public record summary

Business details at a glance

Washington State Labor & Industries contractor license data lists Molecular Inc at the address below with a credential related to sanitation system / side sewers. These are public-record facts, not a rating or endorsement.

Directory categorySeptic Contractors
Record statusActive when checked
Business locationLongview, WA 98632
Last source checkAug 31, 2026
Primary credentialMOLECI*015NT
First license date on fileAug 30, 1999
Business typeCorporation

Use the official-record links below to recheck status and dates before signing a contract.

Start with your project

Is Molecular Inc a fit for your project?

The public record connects this business to sanitation system / side sewers. Homeowners often compare this type of professional for:

  • A backup, failure or septic-system diagnosis
  • Septic repair or replacement
  • New sanitation or side-sewer work

Work classifications on the public record

Ask about your exact job

Confirm inspection and design responsibility, soil and permit requirements, tank and field scope, pumping, excavation and restoration.

The record does not establish availability, service radius, insurance for your project or experience with an identical job. Ask directly and compare written proposals.

License or certification details

Understand what each credential covers

Active when checked

Sanitation System / Side sewers contractor registration

Washington · ID MOLECI*015NT · expires Dec 8, 2027

This public record shows a sanitation system / side sewers contractor registration in Washington.

Boundary: The record does not rate workmanship, pricing, insurance coverage, availability or customer service.

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See where the profile details came from (5 source checks)
  • addressChecked Aug 31, 2026Source
  • canonical nameChecked Aug 31, 2026Source
  • credentialChecked Aug 31, 2026Source
  • phoneChecked Aug 31, 2026Source
  • primary tradeChecked Aug 31, 2026Source
Contact and location

How to reach Molecular Inc

Business address
157 MCMILLAN DR, Longview, WA 98632
Phone on public record
(360) 749-8200
Work classifications
Sanitation System / Side sewers
Record checked
Aug 31, 2026
Service-area note
The record shows a Washington business address. It does not establish the company’s service radius.
Use the data correctly

What this profile can and cannot tell you

What the public record shows

  • Business name, address and available public contact information
  • Credential number, jurisdiction, status at the check date and listed expiration
  • Work classification attached to the source record
  • The official source and date behind the profile

What to ask the business

  • Current availability and whether it serves your address
  • Insurance, bonding, permits and who will perform the work
  • Recent experience with your scope and applicable warranties
  • A written price, payment schedule, exclusions and change-order process
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Questions to ask Molecular Inc

  1. Project fit: Do you perform this exact type of work at my address?
  2. Credential: Which license, registration or certification applies to this scope?
  3. Written scope: What labor, materials, permits, cleanup and disposal are included?
  4. Insurance and people: Who performs and supervises the work?
  5. Schedule: When could the work start and how are delays communicated?
  6. Changes and warranty: How are change orders and warranty terms documented?

Profile ownership and corrections

This profile is not managed by the business unless marked otherwise. Inclusion is not an endorsement.

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