Our staff is on call every day, all day. From the Astrodome to the Airport, we are your #1 choice! Contact us today and you’ll see why. The next time you need to change house locks, rely on Residential Locksmith Houston. Harris County’s best service technicians will get the job done right the first time. We’re open 24 hours a day, seven days a week for emergencies. The next time you need to unlock house door, give us a call. Our mobile fleet will be on its way.