ADU Permit Online Portal Guide in Irving, Texas
Everything you need to apply for a adu permit in Irving, Texas — documents, fees, steps, and a downloadable submission packet.
Key Facts
- Permit required
- Yes
- Submission method
- Online
- Typical fee range
- $3,600 – $11,880
- Review time
- Varies by jurisdiction
- Inspections
- 6 inspections required
City of Irving Development Services
Verified7-step online submission process — account registration required[1][2]
Open PortalPortal steps may change without notice. Always confirm the current process at Irving's online portal.
Avoid rejections — generate a submission-ready packet
Get a personalized ADU permit packet for Irving, Texas — tailored to your project details.
- Required forms: Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $1,200–$7,200 estimated total
- Step-by-step City of Irving Development Services portal submission guide
- Inspection prep checklist (6 items)
- Personalized for your specific project details
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Required Documents
Irving requires the following documents for this permit application.
Building Permit Application
Completed City of Irving building permit application with complete project description, property owner contact information, and construction cost estimates
Architectural Drawings
Complete architectural plans signed by a licensed Texas architect, including floor plans, elevations, sections, and construction details with compliance notes
Site Plan
Site plan showing property boundaries, dimensions, building footprint, setbacks, parking layout, access routes, and existing utilities
Zoning Verification Letter
Zoning verification letter from Irving Development Services confirming property zoning district and ADU eligibility under current zoning ordinance
Structural Engineering Plans
Structural engineering plans and calculations by a licensed Texas professional engineer for foundation, framing, and load-bearing elements
Mechanical and Utility Plans
Plans showing water supply, sewer, electrical, gas connections and separate metering for water, electric, and gas services to ADU
Proof of Property Ownership
Current property deed or title commitment showing applicant ownership of subject property
Fees and Timeline
Fee Breakdown
| Fee | Range | Confidence |
|---|---|---|
| ADU Permit Fee | $2,400 – $7,200 | Verified |
| Plan Review Fee | $1,200 – $4,680 | Verified |
Inspections Required
Foundation and footing inspection per Texas Building Code
Foundation and footing inspection per Texas Building Code
Framing and structural member verification
Framing and structural member verification
Electrical rough-in and separate service panel inspection
Electrical rough-in and separate service panel inspection
Plumbing rough-in and fixture installation inspection
Plumbing rough-in and fixture installation inspection
Mechanical systems and HVAC installation inspection
Mechanical systems and HVAC installation inspection
Final inspection and Certificate of Occupancy
Final inspection and Certificate of Occupancy
Authority Sources
Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Frequently Asked Questions
- Do I need a adu permit in Irving?
- Yes. Irving requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
- How long does adu permit approval take in Irving?
- Processing times in Irving vary depending on project complexity and current review volume. The process involves 7 steps. Contact Irving Development Services for current timelines.
- What documents are required for a adu permit in Irving?
- Irving requires 7 documents including Building Permit Application, Architectural Drawings, Site Plan, Zoning Verification Letter, and others. See the full list above for details.
- What happens if I build without a adu permit in Irving?
- Building without a permit in Irving can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
- Can PermitMagic help prepare my adu permit submission in Irving?
- Yes. PermitMagic generates a submission-ready packet tailored to Irving's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
- How much does a adu permit cost in Irving?
- ADU permit fees in Irving typically range from $3,600 to $11,880, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Irving.
Related Permits
Other permits in Irving
ADU permits in nearby cities
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