If you reside in a historic district, to conduct work to the exterior of your historic property, you are required to obtain a Certificate of Appropriateness (COA). A COA is a special permit obtained in addition to the regular building permitting process.
The recommended arrival time at the airport is 75 minutes prior to departure when traveling within the United States. You must be checked in at least 30 minutes before your scheduled departure time.
If youâre going to Sea-Tac, hereâs how to cope with the crush: â Get to SeaTac early. At least two hours early, even for a domestic flight, recommends the airport. â Remember that any of the TSA checkpoints at Sea-Tac will let you get to any of the departure gates. So look for the shortest line.