AUSTIN (KXAN)—"Sunday was hard. Yesterday was even harder," the mother of a family whose brand-new home inexplicably exploded, posted on her Facebook page. She's posted a series of updates since the explosion left her family's home in ruin, her daughters worried, and her husband undergoing surg ery, with bad burns in the hospital. "I have tried to remain strong as I know it is one day at a time and sometimes it is just one minute at a time," she wrote. North Austin home explosion. (KXAN photos/Jala Washington). North Austin home explosion. (KXAN photos/Jala Washington). North Austin home explosion. (KXAN photos/Jala Washington). North Austin home explosion. (KXAN photos/Jala Washington). The home explosion on Double Spur Loop, left the structure in ruins, and caused catastrophic damage to homes nearby as well. Neighbors' windows are busted out, doors and garages are blown in, and roofs are partially collapsed. First responders, neighbors assess damage after home explosion in northwest Austin Two days after a major explosion, the general contractor is speaking out. According to the City of Austin's Issued Permits database, Dawson Lupal Builders was in charge of home construction. “First and foremost, our prayers are with the individuals who were injured in this event and all of those affected.  Our company was the general contractor that constructed the home, which received its final inspection and certificate of occupancy on March 28, 2025.  We are cooperating fully with the local authorities that are conducting their investigations.  We have no further comment at this time.” Mark Dawson, head of Dawson-Lupul Builders There were three other contractors involved: Electrical contractor, Wilkins Electric Inc. Mechanical contractor, Felix's Heating Cooling Services Plumbing contractor, ETC Plumbing Inc. Each of these companies did not want to provide KXAN with a comment. Scattered debris and rubble remained scattered throughout the neighborhood on Tuesday. "The first thing that investigators are going to be looking for, is what was the source of the explosion. Was it natural gas or propane," Fire and Explosion Investigation Expert Richard Meier told KXAN on Monday. And neighbors, work with insurance adjusters, working through what's next for them. "We're pretty shaken up," Sandy Tallen, a 78-year-old woman with Parkinson's, said. "We're quite upset about all the damage to our house, and what's going take it our age, to have it fixed." ...read more read less