Resources for Luxury Lofts and Apartments in NYC
Department of State: http://www.dos.state.ny.us/
Dept of Buildngs: http://www.ci.nyc.ny.us/html/dob/home.html
DHCR: http://www.dhcr.state.ny.us/
HPD: http://www.ci.nyc.ny.us/html/hpd/home.html
Department of Finance: http://www.nyc.gov/html/dof/html/home/home.shtml
New York Times Real Estate:

http://realestate.nytimes.com/sales/SearchIndex.asp?p=C&NL=Y&RoS=S&ST=

Mortgage Companies:

Preferred Empire: http://www.preferredempiremtg.com/

Manhattan Mortgage: www.manhattanmortgage.com

The New York Mortgage Company: http://www.nymc.com/

Brokerage Companies:

Prudential Douglas Elliman

Corcoran

Halstead

Brown Harris Stevens

Sotheby's

Stribling

Real Estate Board of New York (REBNY) http://www.REBNY.com
Real Estate Online Blog: Curbed.com
Architecht: http://www.ccs-architecture.com/v2/html/
New York City Guide: http://newyork.citysearch.com/
Real Estate Online Blog: http://www.therealdeal.net/