Harris County does not require a General Contractor's License to perform construction within the Unincorporated areas.
In San Antonio, daytime is defined as 6 AM to 10 PM but in Houston permitted construction hours are 7 AM to 8 PM while Dallas ends the daytime hours at 7 PM. Additionally, each jurisdiction regulates weekend, holiday and after hours work differently, requiring special permits for exceptions to normal permitted hours.
Residential permits apply to any development that occurs on private property and not for commercial use. Examples would include: mobile homes; additions to existing homes; swimming pools; porches; private paving; garages; new home construction; patios; and, any structural repair.
A building permit is required for most residential projects inside the corporate city of Houston limits; these include, but are not limited to: Construction work on new or existing buildings. Remodeling (excluding painting, wallpapering)
Very generally speaking, the biggest you can build in Texas without a permit is 200 square feet.
A building permit is required for most residential projects inside the corporate city of Houston limits; these include, but are not limited to: Construction work on new or existing buildings.
Non-Residential Buildings - All non-residential buildings require a building permit. Residential Buildings - One & two-family dwellings and townhouses one-story detached accessory structures that are 200 square feet or less used as tools and storage sheds, playhouses, and similar uses do not require a building permit.