Get a Permit

Contractor registration for general contractors is required for each licensed trade. Plan submittals cannot be accepted unless all contractors are properly registered.

Registering With Lucas

The City of Lucas now accepts contractor registrations online through our new portal. To register, please complete your application at the following link:
Contractor Registration Portal

When applying, you will be asked to upload the following:

• Completed Contractor Registration Form (online)
• Copy of your driver’s license
• Any applicable trade licenses
• Proof of commercial general liability insurance (listing the City of Lucas as certificate holder)

Constructing a New House

The construction of any new single-family dwelling in the City of Lucas requires a building permit.

Applying for a Permit
Permit applications for new home construction are now submitted online through our portal:
New Construction Permit Portal

When completing your application, you will be asked to provide all required documents and plans listed below. Please note that incomplete submissions will not be accepted.

Plan Submittal Requirements

• Completed New Construction Permit listing the registered General Contractor, Electric, Plumbing, and HVAC subcontractors.
• A stamped copy of the septic application submitted to Collin County Development Services.
• Brick calculations demonstrating compliance with the City’s masonry ordinance.
• Energy code compliance documentation as required by the International Energy Conservation Code (IECC), including:
  •  Compliance Report in accordance with N1105.4.2 (R405.4.2)2)
  • Compliance Report for Permit Application in accordance with N1105.4.2.1 (R405.4.2.1)
• A plot plan with dimensions showing:
  • House location and any structures to be removed (note: demolition requires a separate permit)
  • Setbacks, driveways, and other flatwork
• Preliminary drainage plan with drainage arrows.
• A full set of construction plans including:
  • Engineered foundation plans with a supporting letter from the engineering company
  • Floor plans, elevations, and construction materials
• Water meter application

⚠️ All new homes are required to include a fire suppression system. Fire system plans must be submitted for review before framing.

Inspections Required in Sequence

1. Plumbing rough and gas – Form board survey provided; roll-off dumpster, erosion control, and t-pole construction fence required.
2. Slab and foundation – Must pass pre-pour inspection by both the City and builder’s foundation engineer; plans must be on site.
3. Frame inspection – Includes building, plumbing, electrical, and mechanical roughs.
4. Temporary utility release – Electric and gas meters released.
5. Culvert and approach installation.

Reports Required at Final Inspection (for Certificate of Occupancy)

• Septic Tank Approval (Collin County)
• Fire and Irrigation Backflow Reports (if system installed)
• Foundation Letter confirming engineer’s pre-pour inspection
• Grading approval for water flow on lot
• Energy Compliance Report in accordance with N1105.4.2.2 (R405.4.2.2) of the IECC
• Termite Report
• Water Meter Inspection

Any remodel or addition to a single-family dwelling in the City of Lucas requires a building permit.

Applying for a Permit
Permit applications are now accepted online through our portal:
Remodel & Addition Permit Portal

When completing your application, you must include all required documents and plans. Incomplete submissions will not be accepted.

Plans Submittal Requirements

• Site plan or property survey with dimensions showing the location of the addition.
• Septic impact approval from Collin County Development Services.
• Full set of construction plans with dimensions, including:
  • Foundation plans (engineered if required)
  • Floor plans
  • Elevation drawings
  • Intended construction materials
• Brick calculations to demonstrate compliance with the masonry ordinance (if applicable).
• Energy code compliance documentation per the International Energy Conservation Code (IECC), including:
  • Compliance Report (N1105.4.2 / R405.4.2)
  • Compliance Report for Permit Application (N1105.4.2.1 / R405.4.2.1)

Inspections

Required inspections will vary based on the scope of the remodel or addition:

• Plumbing rough – Required if plumbing is added.
• Slab/Foundation – Required if new foundation is poured. Must pass pre-pour inspection by both the City and the builder’s foundation engineer. Slab/foundation plans must be on site.
• Frame inspection – Includes building, plumbing, electrical, and mechanical roughs.

Reports Required at Final Inspection (for Certificate of Occupancy, if applicable)

• Septic Tank Approval (Collin County)
• Fire and Irrigation Backflow Reports (if system installed)
• Foundation Letter confirming engineer’s pre-pour inspection
• Grading approval for water flow on lot
• Energy Compliance Report (N1105.4.2.2 / R405.4.2.2)
• Termite Report
• Water Meter Inspection (if an upgrade is required)

Defining Accessory Buildings: Accessory buildings larger than 200 square feet require a building permit.
Accessory buildings include, but are not limited to:

• Storage buildings
• Shops
• Detached garages
• Barns
• Gazebos
• Carports
• Patio covers

Applying for a Permit
Permit applications for accessory structures are now submitted online through our portal:
Accessory Building Permit Portal

All required documents and plans must be included. Incomplete submissions will not be accepted.

Plan Submittal Requirements

• Completed Miscellaneous Building Permit Application listing the registered General Contractor, Electric, Plumbing, and HVAC subcontractors (if applicable).
• Site plan or property survey with dimensions showing:
  • Location of the accessory structure
  • Relationship to other structures and property lines
• If plumbing is included:
  • Septic impact approval from Collin County Development Services (972-548-5585)
  • Septic system details (heads must be shown and may require Collin County Health Department approval)
• Construction plans with dimensions, including:
  • Foundation plans (if using a concrete slab)
  • Elevation drawings and materials to be used
• Engineered foundation required if:
  • Structure is over 1,000 sq. ft., or
  • The new foundation connects to or abuts an existing foundation
• If the accessory structure includes habitable space, compliance with the International Energy Conservation Code (IECC) is required, including:
  • Compliance Report (N1105.4.2 / R405.4.2)
  • Compliance Report for Permit Application (N1105.4.2.1 / R405.4.2.1)

Inspections

Inspection requirements will vary depending on the type of accessory structure being built, but may include:

1. 1. Plumbing rough / Form board survey
   2. Foundation (Pre-pour inspection)
   3. 2nd stage inspections – Framing, electrical, plumbing, mechanical, and fire suppression (if required)
   4. Final inspection

Permits & Inspections
Permits and inspections are required for all water heaters, electrical work, and plumbing installations in the City of Lucas.

Applying for a Permit
Permit applications are now submitted online through our portal:
Miscellaneous Building Permit Portal

All required information must be included. Incomplete submissions will not be accepted.

Water Heater Installation Requirements

• Shut-off valve: Ball valve on the cold-water pipe to the water heater.
• Pressure relief valve: Discharge pipe must terminate at an approved indirect waste receptor or outside no more than 6 inches above ground.
• Drain pan: Water heaters must be installed in a pan at least 1 ½ inches deep with a minimum ¾-inch diameter drain line to the outside or to an approved receptor.
  • If outside drainage is not possible, a Water and Gas Safety (WAGS) valve is required.
• Insulation: Exposed water pipes in garages or attics must be insulated.
• Elevation: Water heaters in garages must be elevated at least 18 inches above the floor.

Additional Requirements for Gas Water Heaters

• Combustion air: At least 100 square inches of opening at both the upper and lower portions of the closet.
• Gas stop: Must be a ball valve type, operable by hand.
• Flexible gas connector: Maximum length 36 inches; minimum size ½ inch.
• Vent clearance: Type B vents must maintain at least 1-inch clearance from combustible materials, and manufacturer’s installation specifications must be followed.

A permit is required for the installation of any lawn irrigation system in the City of Lucas.

Applying for a Permit
Permit applications are now submitted online through our portal:
Irrigation Permit Portal

All irrigation systems must meet the following requirements:

• A testable backflow prevention device must be installed at the connection to the water supply.
• The backflow prevention device must be tested by a licensed backflow tester.
• A freeze protection device and rain/freeze shut-off device are required.

Inspection & Reporting

• Upon completion, a backflow test report must be submitted to the City of Lucas.
• Reports should be emailed to: [email protected]

Applying for a Permit
A permit is required for the installation of a fire suppression system.
Permit applications are now submitted online through our portal:
Fire Inspection Permit Portal

Plan Submittal Requirements

• Completed Miscellaneous Building Permit Application
• Fire suppression plans
• Hydraulic reports

Inspections Required

• Fire rough-in – typically conducted at the same time as Framing, Mechanical, Electrical, and Plumbing inspections
• Hydrostatic pressure test – 200 psi
• Insulation tenting inspection
• Fire final inspection

The construction of any in-ground pools, spas, pool barriers, or fences requires a permit in the City of Lucas.

Applying for a Permit
Permit applications are now submitted online through our portal:
Pool & Barrier/Fence Permit Portal

All required documentation must be included. Incomplete submissions will not be accepted.

Plan Submittal Requirements for Pools & Spas

• Site plan or property survey with dimensions showing the pool’s location in relation to other structures and property lines.
• Pool plan with drawings, features, and specifications.
  • Must be stamped by the electrical service provider.
  • If the property is on septic, must also be stamped by Collin County Development Services.
• Depth-to-foundation ratio: Pool depth must maintain a 1:1 ratio from the nearest foundation up to a maximum depth of 5 ft.
  • Example: A 5 ft deep pool must be located at least 5 ft from the nearest foundation.
  • If this ratio cannot be met, an engineered drawing is required.

Required Inspections for Pools & Spas

1. Belly Steel – Before gunite; ground wire bonding of steel installed.
2. Gas – Required if pool or spa uses gas heating.
3. Deck Steel – Ground wire installed.
4. Pool Final – Before plaster; barrier and gates must be complete and compliant.
   • House-Pool Protection Device Installation Form must be provided at this stage.

⚠️ Pools may not be filled with water until all inspections are complete and approved.
Filling a pool early will result in a $1,000 fine.

Pool Barrier / Fence Requirements

• A separate Miscellaneous Building Permit Application is required for pool barriers and fences.
• Pool barrier permit must be approved before pool permit is released.
• Barrier drawings must include dimensions, materials, and gate latch details.
• Requirements:
  • Minimum 4 ft fence height around the pool.
  • Self-closing, self-latching gates with latch in the upper quarter of the gate.
  • Pool must be set back at least 20 ft from rear and 20 ft from side property lines.
  • Agricultural fencing is not allowed.
  • Existing fences must comply with current requirements.
• Permit holder is responsible for ensuring barrier compliance.

Additional Notes

• Fences around residential pools require a separate permit and must comply with the International Residential Code (IRC).
• Self-contained (non-hardwired) units do not require a registered electrician.
• Automatic gates that are part of a pool barrier must:
  • Include a 1-minute relay timer.
  • Sound a beeper when closing.
  • Reverse automatically if obstructed.
  • Have no manual override mechanism.
  • May require a certification letter from the manufacturer or installer.

A permit is required before starting any work within or near a street, right-of-way, easement, or public way in the City of Lucas.

Apply Online
Permit applications are now submitted through our portal:
Right-of-Way Utility Work Permit Portal

Need help or have questions?
Email [email protected] or visit City Hall at 665 Country Club Road, Lucas, Texas 75002-7651.