Alliance for Healthy Homes; AFHH; codes; code enforcement; housing condition; Philadelphia; Pennsylvania; PA; Milwaukee; Wisconsin; WI; Cleveland; Ohio; OH; Los Angeles; San Diego; San Francisco; California; CA; New York City; Rochester; New York; NY; Charlotte; Mecklenburg County; North Carolina; NC; Marion County; Indiana; IN; Minnesota; MN; Maryland; MD; New Jersey; NJ; Rhode Island; RI; Boston; Massachusetts; MA; Mass; Washington; WA; | Effective Practices for Enforcing Codes to Ensure Decent Housing Condition (Revised August 2006)