Real property in Washington can typically pass outside of probate if it was held in joint tenancy form. You should probably consult an attorney about this matter to ensure the property is transferred correctly.
Statute on limitations differ depending on the type of debt but if the account has been inactive since 1995 then it is what is called "time barred debt". That means it is too old to collect. If the debt collector knew that the debt was that old it is a violation of the Federal Debt Collection Practices Act and the Washington Consumer Protection Act to attempt to collect the debt.
If an individual dies in the State of Washington it is called dying "intestate". A series of statutes govern how the assets of the estate will pass down to any living heirs of the person who has passed. A probate must be completed to distribute the assets of the estate to the heirs of that estate. In this case, the assets would be the land. First you'd need to give notice to any creditors who are owed money. From what you describe, your father's wife's sister may hold claim to some or all of...
A survey will help establish the boundaries of your properties. Once the survey establishes what is rightfully yours to convey you are free to transfer that land as you see fit. If your neighbor feels you're doing something wrong he may bring legal action to stop the sale or for money damages. Without knowing more details of the two properties and your usage of the property it is difficult to advise further. Consulting with an attorney and reviewing the specific details of your case will be...
The elements for a tortious interference claim are (1) existence of a valid contractual relationship or business expectancy; (2) knowledge of the relationship or expectancy by the alleged interfering party; (3) intentional interference inducing or causing breach or termination of the relationship or expectancy; and (4) resultant damage. Washington case law holds that all four must be proven. From your statement it seems like you were not intentionally trying to disrupt your employer's business....
Contacting the GAL was a wise first step. They represent the child's best interest and will likely take steps to shed further light on the situation. If the child is in danger you may want to ask the judge to modify the temporary order based on the new information and the best interests of your daughter.
A CP49 notice is stating that the IRS has applied your refund to an outstanding debt to the IRS.
It sounds like you have concern that you still owe "a large sum" after paying via the plan for many years. I would suggest reviewing the plan with your CPA and determining what their assessment is of the following questions:
How much have I already paid as part of the plan?
How much do I still owe under the plan?
Will I still...
Notice on a 20 day has to be personally served. If personal service is not possible then it must be posted at the residence in a conspicuous manner and then mailed to the tenant with return receipt requested. Personal service can be completed by anyone over 18 who is not a party to the case. It is important to then have them complete a declaration of service. Hope this helps. Email is not sufficient. This is all spelled out in more detail in RCW 59.18.
You can ask the court to modify the parenting plan based on this new employment opportunity. The court will determine if the change would harm the children in any way and will evaluate your reasoning for requesting the change and may then order a new plan that would allow you to see your kids and pursue this new employment.
I agree with the commentator's above. You will need an attorney to assist you with this matter. There are records to be looked at and an attorney will be able you to help you find those. Additionally an attorney will be better prepared to navigate the applicable laws.