ACRIS (http://a836-acris.nyc.gov/CP/CoverPage/MainMenu)
eCourts (http://iapps.courts.state.ny.us/housing)
Unified Court System (http://www.nycourts.gov)
HPD (http://www.nyc.gov/html/hpd/html/home/home.shtml)
NYC Department of Buildings (http://www.nyc.gov/html/dob/html/home/home.shtml)
NYC Department of Finance (http://www1.nyc.gov/site/finance/index.page)
Title Insurance & Mortgage/Transfer Tax Calculator (http://magramcs.com/RateCalc_BLANK.aspx)
Mortgage Calculator (http://cgi.money.cnn.com/tools/mortgagecalc)