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J4 Development LP is a multifamily construction firm that specializes in large-scale ground up construction, asset renovation and repositioning, including Affordable Housing, Market-rate, Historic, Student, Military and Senior Housing. The company was founded in 2004 by Jeff Ausbrook – who was joined by Chris Darby in 2005. Since its inception, the company focus has been to deliver exceptional service at fair market prices, with the vision of transforming a small two-person Dallas company into a nationwide full-scale construction services provider.

From its beginning the company has grown at a controlled pace by providing steady results from project to project. As evidenced by the number of repeat clients, J4 has consistently delivered high-quality construction services in a timely manner. Since 2004, client driven demand for quality services regardless of asset location has led J4 to increase its coverage beyond the Dallas-Ft. Worth region to being licensed in 34 states from coast to coast.

The J4 team is engaged in every project upfront. The Company has a well-earned reputation for working in unison with Owners, Developers and Architects during the design phases to assist with cost estimating, value engineering and project scheduling. With J4’s extensive due diligence process, our team is able to identify potential pitfalls, develop an executable scope of work, and build a comprehensive budget to assist with the valuation and construction plan. J4 goes to great lengths to completely grasp our client’s expectations of potential purchase. The depth and consistency of J4’s process builds long-term relationships based on trust, professionalism and unsurpassed quality and service.

J4’s strong relationship with banking institutions and surety underwriters has enabled the company to successfully handle multiple bonded construction projects throughout the United States. Other specialized services include design-build projects, capital needs assessments, due diligence, and property-wide interior and exterior repositions.

J4 always looks for quality and integrity in its people, and by continuously retaining a highly experienced and talented team of construction professionals the Company is aligned to support current and future growth.

A History of Excellence

Since inception, J4 Development, LP has a continued history of exceptional service at fair market prices. Our company is actively licensed in 34 states and have experienced growth year after year reaching over 50 full-time employees.

In 2014, J4 Development, LP was recognized by the SMU Cox Dallas 100™ as one of the fastest growing privately held businesses in the Dallas area.


Our People

Our employees are our most valued assets and they are the key to the fulfillment of our mission.


2012 – voted once the best places to work in Dallas
2014 – recognized by SMU Cox Dallas 100 as one of the fastest growing privately held businesses in the Dallas area.


Our Executive Team has more than 80 years combined construction management experience

Our Guarantee

Our team at J4 is committed to providing professional, high quality construction services. We make customer service a priority and our number one priority is client satisfaction.

J4 Development is obsessed with providing professional, high quality construction services for multifamily developers, property owners and their management companies.

Our Clients 

J4 Development, LP offers construction services for the multifamily industry. Our clients include top multifamily developers, property owners and management companies with nationwide portfolios.

J4 Development’s involvement in a project begins upfront. Our company is heavily involved in the due diligence process with property owners. By understanding our client’s expectations, J4 is able to identify areas of value engineering, develop a specific scope of work and build a comprehensive budget to assist with the valuation as well as creating a well-defined project schedule.

Community Engagement Partners


Chisom was founded in 2003 to develop and invest in affordable housing communities where seniors, people with disabilities and those earning low to very low incomes could find a safe, clean and welcoming place to live. The founders resolved to develop social service programs to support and assist residents with their needs in the areas of education, healthcare, wellness and professional skills.


Rainbow Housing Assistance Corporation (Rainbow) is a nonprofit organization that provides service-enriched housing programs for residents of rental housing communities throughout the country. Rainbow provides a custom supportive services solution to every asset served, building a sense of community. Offering services that focus on community and promote the self-sufficiency of the residents has been proven to increase the financial viability of multifamily assets.

“I remember the moment I came to realize the value and confidence we had placed in J4 as our contractor and as our partner beyond the typical depth of a working relationship.

Hurricane Ike hit our communities in Houston at approximately 8pm on September 13, 2008. Calls began to flood my phone from our site team and the residents of our communities. The fear and panic was hard to understand being thousands of miles away and watching the devastation from the TV News. What I knew was our residents, what we call our families and friends, were under attack by a force of nature and out of our control. My first call was Jeff with J4.

I recall my voice shaking and he could hear the worry and concern. He said simply, ‘Flyn, my team is on the way’. He offered his assurance they would be there day and night to do all they could to keep them safe and prepare them for the days to come until we could get things under control.

In those days J4 sustained the lives of over 2500 people, 600 of which were school aged youth. A community of low-income single parent households relied on J4 for more than emergency services in those critical days. They were recognized as first responders and ‘those people’ who saved our lives.

I am forever grateful for the humanity J4 showed and continues to share with our company in financial contributions to our scholarship program and vocational school funding needs. An exceptional contractor, yes. A company of humanitarians, no doubt.”

– Flynann Janisse, Executive Director of Rainbow Housing