Washington Older-Home Electrical Answers
Does Homeowners Insurance Cover Knob-and-Tube Wiring in Washington?
There is no universal yes-or-no answer. A Washington insurer may accept the home, request an electrical inspection, impose conditions, limit coverage, require replacement, or decline the risk under its own underwriting rules.
Need an electrical evaluation or replacement estimate? Call (206) 717-5076.
Short Answer: Ask the Carrier in Writing
Coverage and eligibility depend on the insurer, the policy, the condition and use of the wiring, and other facts about the home. Benchmark can inspect electrical conditions, propose repairs or replacement, and document completed work. We cannot decide or guarantee whether an insurance company will issue, renew, or modify a policy.
- ✓Ask exactly what the underwriter requires
- ✓Separate active wiring from abandoned material
- ✓Request a written electrical scope
- ✓Keep permits, inspection records, and invoices
See What Local Homeowners Are Saying
Benchmark helps homeowners understand older wiring and plan practical corrections with clear documentation.
Can You Insure a House With Knob-and-Tube Wiring?
Possibly, but acceptance varies. Some carriers may evaluate whether the wiring is active, its condition, what portion of the home it serves, whether it has been altered, and whether a licensed contractor has inspected or replaced it. One insurer’s answer does not establish what another insurer will do.
Start with the carrier or agent, not an assumption. Ask for the exact underwriting condition in writing: inspection, certification, targeted repairs, full replacement, or another requirement.
I Need Homeowners Insurance—What Should I Do First?
1. Get the Requirement
Ask the agent or underwriter for the concern and acceptable proof in writing. Avoid paying for work based only on a vague verbal instruction.
2. Schedule an Evaluation
A licensed electrician can identify visible active and abandoned wiring, document conditions, and explain practical correction options.
3. Approve the Right Scope
The scope could involve targeted corrections, phased rewiring, or broader replacement. It should respond to the electrical conditions and the carrier’s written request.
4. Keep the Records
Retain the proposal, permits, inspection results, paid invoice, photos, and completion documentation requested by the carrier.
Who Provides a Knob-and-Tube Inspection for Insurance?
A licensed electrical contractor can evaluate and document electrical conditions and quote corrective work. A home inspector may identify visible signs of older wiring, but an electrical contractor is the appropriate professional to trace circuits, assess electrical scope, and perform permitted repairs or replacement.
Tell the electrician the exact language from your insurer. “Inspect the wiring,” “certify the wiring,” and “replace all active knob-and-tube” are different requests and can lead to very different scopes.
Does Washington Law Require Every House to Remove Knob-and-Tube?
Finding older wiring does not by itself create a universal statewide rule that every house must immediately receive a complete rewire. The condition of the system, alterations, project scope, permits, inspection requirements, and uses around it matter.
Washington does have specific rules for placing certain loose or rolled insulation in spaces containing existing knob-and-tube wiring. Those conditions include a licensed electrical contractor’s survey and certification, inspection of repairs or alterations, qualifying insulation, suitable overcurrent protection, and a prohibition on foam insulation in that situation. See the current WAC 296-46B-394.
Photos From Actual Benchmark Older-Wiring Projects
What Documentation May Help?
The insurer decides what it needs, but useful project records can include the electrician’s written observations, a defined scope, before-and-after photos, permits, inspection approvals, invoice, and a description of whether old visible wiring is active or abandoned. Ask the insurer which documents it will review before work begins.
For general consumer information about shopping for coverage and working with insurers, see the Washington Office of the Insurance Commissioner’s homeowners insurance guide.
Related Costs and Next Steps
Burien Replacement Options
Review local service details, planning ranges, and FAQs.
Burien knob-and-tube costsSeattle Cost Guide
See planning considerations for older Seattle-area homes.
Seattle knob-and-tube cost guideRewiring in Phases
Learn when a prioritized, multi-stage approach may be workable.
Can rewiring be done in phases?Inspection Corrections
Get help addressing electrical items identified in a report.
Electrical inspection report correctionsQuestions Washington Homeowners Ask
Can I find homeowners insurance with knob-and-tube wiring?
Possibly. Carrier eligibility and underwriting rules vary. Ask insurers directly and provide accurate information about whether the wiring is active and its condition.
Who is a good professional to inspect old wiring?
A licensed electrical contractor can trace circuits, document visible electrical conditions, and propose permitted corrective work.
Will an electrician guarantee that an insurer accepts the house?
No. An electrician can document findings and completed work, but only the insurer can make an underwriting or coverage decision.
Do I need a full rewire for insurance?
It depends on the carrier’s written requirement and the electrical conditions. Some situations may allow targeted work, while others may require replacement of all active old wiring.
What is a knob-and-tube inspection report?
There is no single universal report accepted by every insurer. Confirm the requested contents with the carrier, then ask the electrician whether they can provide that documentation.
How much does knob-and-tube replacement cost?
Cost depends on how much remains active, access, finish protection, panel capacity, and permitting. Use our linked local cost guides for planning ranges and request an on-site estimate.
Find a Licensed Electrician for Knob-and-Tube Wiring
Bring us the insurer’s written request. We can evaluate the electrical conditions and explain practical next steps.