Washington state does not have a requirement to register firearms. In short, you don't register guns there. Would suggest you visit a local gun shop for information on Washington State and firearms.
Potato guns leagal in Washington state
no
The laws on airsoft guns in Washington state that those who purchase them must be 18 years of age. The guns must also have an orange tip.
yes
This link contains information and a PDF link to the form you need to file with the Washington State Dept of Agriculture to register your apiary (hives). <http://agr.wa.gov/PlantsInsects/Apiary/>
No. As in most states, no registration of ordinary firearms is required.
No.
Yes
No
There is no requirement to register guns in Florida- or in most of the US.
Same-sex marriage is not legal in Washington state. Same-sex couples may not marry there, but they may register as domestic partners.