National Green Building Standard
2010 California Energy Code on Fireplaces Fireplace doors, combustion air and dampers.
2013 California Green Building Code on Fireplaces The California Green Building Code does not restrict masonry wood-burning fireplaces - pg 57
Leed - no masonry fireplaces
Minnesota Energy Code and Issues - tight houses - lots of links.
Comment on the Proposed Minnesota Energy Code
New Mexico Energy Code - One fireplace per residence allowed provided ???
New York State Building Code - Doors, tight-fitting dampers and combustion air.
Washington State Building Code - doors and air.