I’ve never been to Laredo, but here’s a good site for restaurants that might be of interest.
The Webb County Heritage Foundation sounds interesting, especially since you are there to build houses.
Historic Places of Laredo.
The Laredo Zoo
Not sure if this is open yet, The Laredo Nature Center
Laredo Center for the Arts
Shopping and Historic Tours
I couldn’t find any specific info on microbreweries, or nightclubs, but maybe some one who has been there will have some recommendations. They might also be able to give information on the prettiest viewpoint, the nicest lake (or body of water) the best hiking trails and the best independent book stores, the best park, the coolest architecture or most famous spot for taking photographs. I posted a list of restaurants, but hopefully someone can tell you where to find the best barbecue or Tex-Mex meal.