Iowa's Best Contractors

Hermanson Company LLP

REGISTERED

Plumbing/Heating & A/C Contractors · Kent, WA

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Hermanson Company LLP is registered with the State of Iowa (No. C146118), current through 2029-06-30. Registration is not a license or an assessment of skill. Check the State record.

Phone · State record

(206) 627-5088

At a glance

What they do
Mechanical Construction · Design-build engineering · Lean Fabrication · Service & Maintenance · HVAC Sheet Metal · HVAC Piping · Plumbing · Medical & Laboratory Gas Business website
Registered in
Kent, WA State record
Website
hermanson.com Business website
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This contractor is based in WA and holds an Iowa contractor registration, which is required to perform construction work in Iowa.

Get to know this business

Work & references

Explore their projects, social profiles and original sources.

Explore their work

Original galleries and public posts. A reference is not proof of who performed a job or its outcome.

More work references (25)

Around the web

Read customer stories and reviews at their source. Registration, documents and badges do not establish workmanship or current insurance.

  • Business profile

    Facebook

    Linked from the business website · facebook.com

  • Business profile

    LinkedIn

    Linked from the business website · linkedin.com

  • Business profile

    YouTube

    Linked from the business website · youtube.com

  • Business profile

    Google Business

    Linked from the business website · google.com

About Hermanson Company LLP

From hermanson.com

Hermanson Company LLP logo
  • In business since 1979
  • Emergency service

Services listed on their website

  • Mechanical Construction
  • Design-build engineering
  • Lean Fabrication
  • Service & Maintenance
  • HVAC Sheet Metal
  • HVAC Piping
  • Plumbing
  • Medical & Laboratory Gas
  • Process Piping
  • Specialty Metals
  • Prompt & listen to the client's needs
  • Clearly communicate systems appearance and integration
Email on their website:
contact@hermanson.com
Other number on their website:
(800) 235-6218

Read from the business’s own website (hermanson.com). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.

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What Hermanson Company LLP is registered to do

The State classifies Hermanson Company LLP as plumbing/heating & a/c contractors. That classification comes from the registration itself, not from us. It describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.

2026-07-01

registration last issued or renewed with the State

1,509

registered plumbing/heating & a/c contractors in Iowa, this business among them

plumbing, HVAC & mechanical work is separately licensed in Iowa. The registration above is a compliance filing; the Iowa Plumbing & Mechanical Systems Board ↗ runs the exam that actually tests competence. Ask for the license number and check it there, for this trade it is the strongest signal available.

All 1,509 registered plumbing/heating & a/c contractors in Iowa →

State registration details
Registration number
C146118
Status
Registered
Issued / last renewed
2026-07-01
Expires
2029-06-30
Primary trade
Plumbing/Heating & A/C Contractors
Issuing authority
DIAL

Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-11-02. Verify this registration with the State of Iowa. How to check a registration yourself.

Sources for this profile

  • Registration: Active Iowa Construction Contractor Registrations, last updated 2026-11-02. Verify registration C146118
  • About the business: read from its website, hermanson.com/about-us/contact. Not written or confirmed by the business.