It sounds like you need to find a new place to live, since the landlord appears to be focused on getting you out of the premises. Technically speaking, it does not sound like the landlord has tried to evict you -- a formal process securing an Order of the Court for you to vacate the premises or be forcibly removed by law enforcement. However, it is clear that he or she wants you gone.
The required advance notice to vacate is determined by the longer of, 1) your lease with the landlord, or 2) the statutory minimums established by the Washington Residential Landlord Tenant Act ("WRLTA"). For a month-to-month tenancy, the notice period is twenty (20) days. RCW 59.18.200
As to a remodeling, if you have a month-to-month arrangement it is probably legal, even if not exactly legitimate. If you have a lease, and the lease is silent on this point, the landlord is probably in violation of the lease agreement in trying to remove you from the premises before the lease time has run. You can claim retaliation, but it is a hard case to make. Under the facts you outline, it is not at all clear that the landlord's actions fall under the ambit of retaliation under the WRLTA. See RCW § 59.18.240. Making a claim on the landlord's insurance is not specifically covered within the ambit of predicates to retaliation, so it is not clear that such an allegation would be well founded.
You should consider at least an initial consultation with a local attorney well-versed in residential landlord-tenant law. Many attorneys will offer a free or low-cost initial consultation and this consult might give you sufficient information to decide on how to proceed.
I agree with the previous answer and it is time to start packing and find a better place. This landlord may be wrong but he doesn't seem to be noticing and will make normal life difficult.
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No legal advice here, but I wonder what the two recent insurance claims are all about. Were you responsible for something that happened to the landlord's home? Has his insurance gone up as a result?
My answer is for general purposes only and is not not intended to establish an attorney-client relationship, nor is it advice upon which you should act or rely. But, if you really want me to tell you something upon which you can actually rely: don't eat yellow snow.