About Us

About O’Neill Development

O’Neill Development is a construction, remodeling and development firm that has been active in Maryland, Virginia, Washington D.C. and the Eastern Shore since 1975. The company has custom built or remodeled over 375 homes of various sizes, has constructed or remodeled over 100,000 square feet of light commercial, institutional and office space and has also developed five residential themed communities. O’Neill has been recognized for its high-quality custom work in both national and local publications and has received awards of excellence for its historic restoration and urban infill work from the State of Maryland and a number of local jurisdictions. O’Neill was the first in this region to build to Passive House standards and remains committed to best practices in green building.

O’Neill Development specializes in custom residential work, providing extensive pre construction and construction services. For the client, this means a broad band of help in budgeting, architect selection, design development, and problem solving during the critical early stages of planning; careful management by agenda and site control during the construction period; and thorough after-market service.

In all custom work performed, O’Neill believes in teamwork and transparency, particularly stressing the importance of a strong relationship among the client, architect, builder and subcontractor. It is our firm belief that this close connection among all parties is absolutely necessary for a successful project. The company continually evaluates subcontractors and suppliers and selects a team which meet our required nexus of quality, dependability and fair pricing.

Company Organization

O’Neill Development employs a talented and dedicated staff who manage the office and run the jobsites. Four experienced project managers are responsible for site managing individual projects. Once assigned to a job, they remain committed until completion of the work and punch out. After market service is the responsibility of each project manager when their job is completed. Our project managers represent over 115 years of building and management experience. In a high turnover industry such as construction, O’Neill Development is unusual in its employee tenure. The average employment length for the entire company is over 20 years.

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