Who are Greenmark Homes?
Founded by local Dubbo builder John O'Neill, Greenmark Homes are passionate about building homes that work with the environment and not against it. At Greenmark Homes we approach every new home build with a customised solution.
We are local, we live here and understand the Dubbo climate. Our team of experts will help and guide you to achieve the home of your dreams. A home that suits the YOUR needs and the way YOU live. A beautiful, comfortable home that doesn't cost the earth to run.
Meet Our Team

John O'Neill
Founder/Builder
John’s enthusiasm and passion for building energy efficient custom homes is the driving force behind Greenmark Homes. He's on a mission to empower people to build energy efficient homes that are affordable, more comfortable and healthier to live in. In 2016, John re-branded his building company, O'Neill Building to create an awareness of a better way to build, re-launching as Greenmark Homes. John is a certified Master Builders Green Living Builder and oversees all our construction projects from the design and development through to construction and handover.

Sarah Ryan
Sales & Project Manager
Sarah has built a strong reputation for her outstanding level of customer service and knowledge of the industry. Her aim is to give each and every client the very best building experience and she will guide you through the entire building process from start to finish.
Sarah is exceptionally well organised and keeps all the trades and suppliers on their toes. She treats every project as if they were her own and will ensure your home is built to standards beyond your expectations. Sarah always has a smile on her face and her positive and happy nature is a joy to have in our office.

Laura Wannan
Building Designer
Laura holds a bachelor degree in Architecture and has a
passionate appreciation of the environment and is continually searching
for effective sustainable solutions. She aims to design homes & buildings
that suit our local climate while maintaining harmony with their location. Laura loves a chat and her bubbly personality brings a lot of fun into our office.

Deb O'Neill
Marketing & Finance Manager
Deb is responsible for all things marketing and in particular, filling our social media channels with information and inspiration for our loyal followers. With a passion for interior design, Deb loves the opportunity to style our display homes and give them the wow-factor. Deb also oversees the company accounting and finance processes.

Jake Grady
Lead Carpenter
Jake has an enthusiasm for building premium quality homes. He has a can-do attitude and brings a high level of workmanship to everything he puts his hand to. Jake takes great pride in his role and you can be rest assured your home is being supervised and built by a skilled professional.

Harry Eggleton
Apprentice Carpenter
Harry is our resident Apprentice and has already proven himself as a skilled tradesman with an eye for detail. His dedication an enthusiasm for learning is evident in his workmanship and we love his 'if it's worth doing, it's worth doing right' attitude.

John O'Neill
Founder/Builder
John’s enthusiasm and passion for building energy efficient custom homes is the driving force behind Greenmark Homes. He's on a mission to empower people to build energy efficient homes that are affordable, more comfortable and healthier to live in. In 2016, John re-branded his building company, O'Neill Building to create an awareness of a better way to build, re-launching as Greenmark Homes. John is a certified Master Builders Green Living Builder and oversees all our construction projects from the design and development through to construction and handover.

Sarah Ryan
Sales & Project Manager
Sarah is highly regarded for her high level of customer service that she brings to every client build. She is motivated to ensure each and every client is happy throughout the quotation, contract and building process and will ensure that your home is built to standards beyond your expectations. Sarah will guide you through the building process from start to finish.

Laura Wannan
Building Designer
Laura holds a bachelor degree in Architecture and has a
passionate appreciation of the environment and is continually searching
for effective sustainable solutions. She aims to design homes & buildings
that suit our local climate while maintaining harmony with their location.

Deb O'Neill
Marketing & Finance Manager
Deb is responsible for all things marketing and in particular, filling our social media channels with information and inspiration for our loyal followers. With a passion for interior design, Deb loves the opportunity to dress our display homes and give them the wow-factor. Deb also oversees the company accounting and finance processes.

Jake Grady
Lead Carpenter
Jake has an enthusiasm for building premium quality homes. He has a can-do attitude and brings a high level of workmanship to everything he puts his hand to. Jake takes great pride in his role and you can be rest assured your home is being supervised and built by a skilled professional.

Harry Eggleton
Apprentice Carpenter
Harry is our resident Apprentice and has already proven himself as a skilled tradesman with an eye for detail. His dedication an enthusiasm for learning is evident in his workmanship and we love his 'if it's worth doing, it's worth doing right' attitude.
