Experience. Personalization. Innovation.

ava Builders brings together a team of experienced custom home builders, designers and land developers that bring quality homes, custom upgrades, and outstanding customer service to the market at an affordable price without compromising quality.


John Lendvai
President, Ava Custom Homes

John formed ava Custom Homes in 2012 and has been involved in real estate since 2002. He has completed hundreds of projects in the Houston area and has received accolades for the homes he builds. His dream is to create the bond between the homeowner and the builder, turning a house into a home. His goal for ava Custom Homes is to expand to other areas of Texas, such as Dallas, Austin, Magnolia, as well as Katy. ava Builders fulfills critical aspects of his dream and goal.

Dr. Bernard Lefang
President, Beldevs

Bernard started Beldevs in 2004 partnering with John for their first land development venture. An innovative analytics and business executive who has led large teams at multi-billion dollar companies, Dr. Lefang manages land development and oversees budgets. His vision is to create affordable high quality subdivisions providing lucky homeowners with a millionaire lifestyle without the millionaire price tag. Bel Grand Estates Haslet is the latest subdivision designed, and developed by Bernard in line with that vision.

Sarah Lendvai
Head of Design

Sarah Lendvai is ava Builders’ Head of Design. Her love for design as well as the great communication between clients helps create personalized high performance homes for the owners. Sarah gives clients direction when it comes to the small and big decisions within their home; she likes to give the homeowners multiple options from a designer’s point of view, providing homeowners the freedom to make sure every key detail is personalized to their lifestyle and family needs to create a home they love.