MainStreet 407 Homes
MainStreet407 Homes specializes in the development and construction of single-family homes and townhomes throughout the Mid-Atlantic region, including Washington, D.C., Delaware, New Jersey, Pennsylvania, and Virginia. Our team is committed to creating quality homes that reflect thoughtful design, craftsmanship, and lasting value.
As part of the 407 Associates family of companies, MainStreet407 Homes benefits from integrated in-house expertise across design, engineering, construction, home improvement, and restoration services. This collaborative structure allows us to share professionals, resources, and purchasing power to provide efficient solutions, cost savings, and a seamless experience for our customers.
Team
Each MainStreet407 Homes project manager and onsite superintendent brings more than 20 years of field experience to every home-building project. Working alongside architects, interior designers, engineers, and licensed trade professionals throughout the 407 Associates network, our team provides the knowledge, coordination, and attention to detail needed to deliver exceptional homes from concept to completion.
Jeffery B. Kozero, PE
Founder and CEO
Jeffery B. Kozero is the Founder and CEO of 407 Associates. He earned his engineering degree from Pennsylvania State University and is a licensed Professional Engineer. Over the course of his career, Jeffery has built and led an architectural and engineering firm from a local presence in the DC-Maryland-Virginia region into a company with a national footprint. He has also founded and managed several real estate development companies delivering development, design, and construction services, overseeing projects that total more than 12 million square feet of construction and an estimated value exceeding $2.9 billion. Jeffery founded 407 Associates to bring design, development, and property management fully in-house, giving clients and investors a single, accountable partner from concept through completion.
Email: Jkozero@407mainstreet.com
Alexis R. Norman
Interim CFO
Alexis R. Norman serves as Interim CFO of 407 Associates and is the Founder and Principal of ANI Accounting Solutions. As a solo practitioner, she draws on more than 20 years of professional experience in finance and accounting and works alongside a trusted network of partners to serve her clients. Alexis is a graduate of Trinity University in Washington, DC, where she earned a bachelor’s degree in business administration before becoming a licensed certified public accountant (CPA) in Maryland, where she works and now resides. Her experience spans a wide range of industries, including construction, legal services, MedTech, nonprofit and public relations, giving her a broad, practical perspective on financial management.
Email: Alexis@407mainstreet.com
Elaine Hui
CAO
Elaine Hui is the Chief Administrative Officer at 407 Associates, bringing more than 20 years of experience in design, construction, and project management within the utility industry. She is widely respected for her expertise leading complex projects for the State Highway Administration (SHA) and county governments. Elaine specializes in enterprise-wide change management, having guided teams through major technology transitions including the implementation of GIS and AS8 systems. She holds a degree in Urban Planning and GIS from the University of Waterloo. She combines her spatial data expertise with a strong focus on utility construction design and exceptional customer service.
Email: Elaine@407mainstreet.com
Maklin Vaquerano
Head of Construction
Maklin Vaquerano serves as Director of New Home Design & Construction at 407 Associates, bringing more than 20 years of experience in architecture, construction and project management. He holds a bachelor’s degree in Architecture and a master’s degree in Financial Administration, with his academic credentials formally evaluated and recognized in the United States. Maklin leads the design and coordination of new residential projects, overseeing architectural planning, construction documentation, code compliance and permit approvals from concept through completion. His experience also extends to residential and commercial renovations, structural coordination and multidisciplinary collaboration with engineering teams. He works closely with clients, consultants and local jurisdictions to deliver design solutions that are innovative, practical and fully code-compliant.
Email: Maklin@407mainstreet.com
Jorge Fuentes
Project Manager
Jorge Fuentes serves as the Project Manager at 407 Associates, bringing over 10 years of construction experience. He holds degrees in Business Administration and Theology, a technical qualification in Civil Engineering and Construction, and other certifications in the aforementioned fields. Jorge Fuentes is responsible for supervising construction projects.