Over two centuries' cumulative experience providing affordable housing solutions!!
Get the Costello Compliance App! Available in the Apple or Android App Store.
Registration is now open for the Winter 2026 LIHTC Comprehensive course with option HCCP Exam!
Popular Training Topic in our Amazing Hybrid Format!
12 Weeks | More Easily Digestible!
Online On-Demand WITH Live Q&A Sessions
Winter 2026 Course starts January 6, 2026!
LIHTC Comprehensive & HCCP Exam
HCCP Exam online also available!
Announcing a new HOT TOPIC Webinar Replay | HOME "Remodel" discussion of the new 2025 HOME Rule changes
More information HEREEducation from Costello University
Training from experts with extensive and up-to-date experience providing affordable housing
Live Virtual Training
Customizable webinar-based live training scheduled at your team’s convenience.
Online, On-Demand Training
Engaging, easy-to-implement, and cost-effective courses that will train your property management staff in housing compliance.
In-Person Training
Customizable in-person training with live interaction for your full team.
Other Housing Compliance Services
Our Vision
Housing Matters!
The Costello Companies are a suite of companies dedicated to the above principle as we develop, build and manage multi-family housing.
Costello Compliance is a consulting firm that leverages our relationships with our sister companies and draws on decades of first-hand experience in housing to provide value-rich products and services to the housing industry. Our knowledge and experience puts us in a unique position to provide quality nation-wide consulting and training with individualized customer service to our clients.