Update for 2023
The Rattle River Hostel in Shelburne is no more. It appears to be a private home.
The Barn in Gorham is finally going before the planning board to get permission to allow tenting adjacent to the building. They had been allowing it during Covid but it was questionable if it was legit. Now that Gorham is an official AT town, I guess the town and the owner is going to make it legit. It is small space, just a side lot between the Barn and the adjacent neighboring house. The owners worked very hard to make up Rattle River closing. and the result was they are trying to cover a lot of bases with limited resources.
Other than the hostel at White Birches campground in Shelburne and the Barn, I am not aware of any new places in town oriented towards hikers. Hub North is relatively new catering to bicyclists, but it 2 miles from downtown near Moose Brook State Park. Be aware, the motels in Gorham have become very busy on weekends with the ATV crowd. Many require non refundable reservations for multiple days on weekends (Friday and Saturday nights). There are numerous weekend ATV events that will book up every hotel space in the region from May to October. Try to plan your hike to hit town during the week.
The Five Corners Inn (formerly Hikers Paradise) was purchased by a new owner a few years back and is running it to support the ATV crowd. It seems to be run as a hobby more than a business. It is very busy with the ATV crowd on weekends. I do not know if they are permitted to use the former Hiker Paradise's facilities in the upper floors or interested in doing so. AMC still runs their scheduled shuttle bus runs but they are best oriented towards guests of the huts timing. Probably good for a bailout situation as they connect up with two regional buses that can get hikers to a major airport and cover the entire whites on a fixed route. They do not do custom shuttles.
Shuttles - Trail Angels has not updated their website lately but I still see their vehicle in town. They are the only commercial shuttle service in the area I am aware that caters to AT hikers. I suspect they are busier these days, now that the Cross NH bicycle trail is getting popular. This link to the Cross NH trail site has a couple of other services, I do not know anything about them except for the listing https://www.xnhat.org/shuttle-services.html. The White Birches Campground has had a seasonal camper that has run shuttles in the past.
The big news in the Berlin Gorham area is the new brew pub located right down the road from the Barn. The former Mr Pizza that was closed last year is being renovated to be a sports bar oriented to ATVs. The Chinese Buffet place is still in business and the wood fired pizza place is open 4 days a week. There is also a BBQ place and the Yokahama and Jays.
In general, the area tourist businesses that mostly were indifferent to hikers in the past, have really shifted to the far more lucrative ATV trade and on many weekends finding accommodations will be tough. The best options for "stealth" camping is probably in the woods west of the AT trailhead on Hogan road. Hogan road is a private road with very little traffic so anyone using it to head into Gorham is in for 5 mile walk to get to Main Street using the railroad trestle to cross the river and another mile and 1/2 up RT 16 to Walmart. There is Dollar General in Gorham adjacent to post office. There may be a temptation to stealth out on the island connected to Gorham via the pedestrian bridge under the trestle. Be aware that it is "tick central" as is much of Hogan Road. Mascot Pond, a very remote feeling spot with a gravel beach close to town remains a forgotten gem since the AT was rerouted out of Gorham long ago.