Speaking of the Gateway Arts District along route 1 in PG County...

From email:

The Brentwood Arts Center is a new project of Gateway CDC, located in the Gateway Arts District, one mile north of the District Line in Brentwood, MD.

It will contain working space for 10-15 artists with studios in the 300-2,000 sf range. As a refurbished warehouse, the center will contain all new air and heating systems, tall ceilings, rough cement floors and outstanding natural light. There will be a small common area with a kitchenette and a loading dock. Spaces are suitable for visual artists, jewelers, ceramicists, and woodworkers. All disciplines will be considered.

This will be an excellent location for artists who teach. Studios will be large enough to conduct classes. Prince George's Park and Planning Department will run a gallery and classroom space on the first floor. Tenants will be able to rent the Park and Planning classroom space.

Gateway CDC is dedicated to creating a variety of live and work opportunities in the Gateway Arts District. This facility is designed to provide affordable, stable commercial space to artists.

Spaces are available now. Ready for occupancy by October 30th. Shown by appointment. Call John: 301-864-3860 ext. 3.
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Get this, the price per square foot, including utilities, is about $13. This is for insulated, heated space, fully refurbished.