You'll have to go to the Montgomery County eServices site and create an account in order to access the permit application pages. You can apply for permits, schedule inspections and request records online at any time.Added 10.1, Sample letter to conduct research. To get a Municipality Letter, please complete our new Municipality Letter Request Form (link). There is no fee for the municipality letter. SWM Approval Letter Example. Arborist in the Montgomery County Department of Environmental Protection for a recommendation prior to acting on the request. The information provided on this page is subject to our Terms of Use and Disclaimer Policy.