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Alabama Building Commission
<http://www.bc.state.al.us/index.htm>
Alaska State Historic Preservation Office
<http://www.dnr.state.ak.us/parks/oha_web/shpo.htm>
Arizona State Historic Preservation
Office
<http://www.pr.state.az.us/partnerships/shpo/shpo.html>
Arkansas Historic Preservation Program
<http://www.arkansaspreservation.org>
California's State Historical Building
Code
<http://www.dsa.ca.gov/shbsb/shbsb_main.asp>
Delaware Historic Preservation Office
<http://www.state.de.us/shpo>
Florida Building Code Information System
<http://www.floridabuilding.org>
Florida Bureau of Historic Preservation
<http://dhr.dos.state.fl.us/bhp>
Illinois Historic Preservation Agency
<http://www.state.il.us/HPA>
Louisiana Division of Historic Preservation
<http://www.crt.state.la.us/crt/ocd/hp/ocdhp.htm>
Maine Code Enforcement Training and
Certification Program
<http://www.state.me.us/spo/ceo/ceohome.htm>
Maine Historic Preservation Commission
<http://www.state.me.us/mhpc>
Massachusetts Board of Building Regulations
and Standards
<http://www.state.ma.us/bbrs/index.htm>
Michigan's State Historic Preservation
Office
<http://www.sos.state.mi.us/history/preserve/preserve.html>
Minnesota's State Historic Preservation
Office
<http://www.mnhs.org/preserve/shpo>
Mississippi Historic Preservation Division
<http://www.mdah.state.ms.us/hpres/hprestxt.html>
Missouri Historic Preservation
<http://www.dnr.mo.gov/shpo/index.html>
Nebraska State Historic Preservation
Office
<http://www.nebraskahistory.org/histpres>
Nevada State Historic Preservation Office
<http://dmla.clan.lib.nv.us/docs/shpo>
New Mexico Historic Preservation Division
<http://www.museums.state.nm.us/hpd>
New York State Division of Code Enforcement
and Administration
<http://www.dos.state.ny.us/code/ls-codes.html>
New York State Historic Preservation
<http://nysparks.state.ny.us/hist>
North Dakota State Building Code
<http://www.state.nd.us/dcs/buildcode/default.html>
North Carolina Residential Building
Code
<http://www.ncdoi.com/OSFM/Engineering/Residential/BuildingCode.asp>
North Carolina State Historic Preservation
Office
<http://www.hpo.dcr.state.nc.us>
Oregon Building Codes Division
<http://www.cbs.state.or.us/bcd/index.htm>
Smithsonian Institution: Architectural
History and Historic Preservation Division
<http://www.si.edu/oahp>
Vermont Division for Historic Preservation
<http://www.uvm.edu/~vhnet/hpres/org/vdhp/vdhp1.html>
Virginia State Building Code Administrative
Office
<http://www.dhcd.state.va.us/DBFR/vsbcao/vsbcoindex.htm>
Washington State Building Code Council
<http://www.sbcc.wa.gov>
West Virginia State Historic Preservation
Office
<http://www.wvculture.org/shpo>
Wyoming State Historic Preservation
Office
<http://spacr.state.wy.us/cr/shpo> | 
