Deck Permits in Arlington: Requirements, Costs & How to Apply in 2026

You're ready to build a deck in Arlington, Texas — but before you pick up a single board, you need to know if the city requires a permit. Skip this step, and you could face fines, forced removal, or serious headaches when you try to sell your home.

Here's everything Arlington homeowners need to know about deck permits in 2026, including costs, code requirements, and the exact steps to apply.

Do You Need a Deck Permit in Arlington?

Yes, most deck projects in Arlington require a building permit. The City of Arlington's Building/Development Services department enforces permit requirements for residential construction, and decks are no exception.

The general rule: if your deck is over 200 square feet or more than 30 inches above grade, you need a permit. That covers the vast majority of useful backyard decks. A small ground-level platform under 200 square feet might be exempt, but even then, you still need to comply with zoning setbacks and property line rules.

Don't assume your project is too small to need one. A standard 12×16 deck is 192 square feet — right on the edge. Add a single foot in either direction and you're over the threshold.

Quick Reference: Permit or No Permit?

Even for exempt projects, calling Arlington's Building Inspections division at (817) 459-6311 to confirm is worth the five-minute phone call.

When a Permit Is Required

Arlington follows the International Residential Code (IRC) as adopted by the State of Texas, with local amendments. The city triggers permit requirements based on several factors:

Size and height thresholds:

• Decks exceeding 200 square feet in total area
• Any deck surface more than 30 inches above finished grade at any point
• Structures attached to the primary residence (ledger board connection)

Additional triggers:

• Electrical work — adding outlets, lighting, or ceiling fans to your deck requires a separate electrical permit
• Plumbing — outdoor kitchens with sinks or gas lines need plumbing/gas permits
• Hot tub installation — the added load requires structural review and an electrical permit

If you're building in neighborhoods like Viridian, Interlochen, or the Parks at Arlington — many of which have HOA requirements on top of city permits — you'll need to satisfy both the city and your homeowners' association. The HOA approval is separate from the building permit and often takes longer, so start that process first.

For homeowners considering whether to build a deck without a permit, the risks far outweigh the savings. More on that below.

Permit Fees & Processing Time

Arlington's permit fees are based on the estimated project valuation. Here's what to expect in 2026:

Residential Deck Permit Fees

Plan review fees are typically included in the permit cost but may be charged separately for complex projects. Expect an additional $50–$100 for electrical or plumbing sub-permits if your deck includes those elements.

How Long Does It Take?

• Standard residential plan review: 5–10 business days
• Simple deck projects: Sometimes faster, especially if submitted with complete documentation
• Revisions or resubmittals: Add another 3–5 business days per round

Pro tip: Submit your application early in the week. Arlington's Building/Development Services office processes applications Monday through Friday, and submitting on a Monday gives your project the best chance of being picked up in the current review cycle.

To put these fees in perspective, a typical 16×20 composite deck in Arlington runs $14,400–$24,000 installed. The permit fee represents roughly 1–2% of your total project cost — a small price for legal compliance and structural safety.

Building Codes & Setback Rules

Arlington's building codes dictate everything from how deep your footings go to how far your deck sits from the property line. Knowing these upfront saves you from costly redesigns mid-project.

Footing and Foundation Requirements

• Frost line depth: Texas doesn't have deep frost concerns, but Arlington requires footings at a minimum of 12 inches below grade for stability
• Footing diameter: Typically 16–24 inches depending on the load and span
• Concrete piers must bear on undisturbed soil — no backfill allowed under footings
• Soil conditions in Arlington vary — areas near Johnson Creek or the Trinity River tributaries may have expansive clay soils that require engineered footings

Setback Requirements

Setbacks define how close your deck can be to property lines, easements, and other structures:

• Rear setback: Typically 10 feet from the rear property line (varies by zoning district)
• Side setback: Usually 5 feet minimum from side property lines
• Utility easements: Decks generally cannot encroach on utility easements — check your plat survey
• Accessory structure rules: Detached decks may be classified as accessory structures with different setback requirements

Your specific setbacks depend on your zoning district (R-5, R-6, R-7, PD, etc.). You can look up your property's zoning through the City of Arlington's GIS portal or by contacting the Planning and Development Services office.

Structural Code Requirements

• Deck boards: Maximum 1/8-inch gap for drainage between boards
• Railing height: 36 inches minimum for residential decks up to 30 inches above grade; 42 inches for higher decks
• Baluster spacing: No more than 4 inches between balusters (a 4-inch sphere cannot pass through)
• Stair requirements: Minimum 36-inch width, uniform riser height (max 7¾ inches), minimum tread depth of 10 inches
• Ledger board attachment: Must be properly flashed and bolted to the house rim joist — lag screws alone don't meet code
• Live load capacity: 40 lbs per square foot minimum for the deck surface; 100 lbs per square foot concentrated load at any point

Arlington Climate Considerations

Building codes don't exist in a vacuum — they respond to local conditions. In Arlington, that means:

• Extreme UV exposure degrades unprotected wood fast. If you go with pressure-treated lumber ($25–$45/sq ft installed), plan to seal it every 1–2 years. Composite decking ($45–$75/sq ft installed) handles the Texas sun with far less maintenance
• Humidity and moisture promote mold and mildew growth, especially on north-facing surfaces. Good airflow underneath your deck matters — code requires adequate ventilation clearance
• Termites are aggressive in the DFW area. Pressure-treated lumber rated for ground contact (UC4A) or composite materials provide the best protection
• Expansive clay soils common in Tarrant County can shift footings over time. Proper depth and diameter are critical, not optional

Use PaperPlan to visualize different decking materials on your own home before committing — it's especially helpful for comparing how composite versus wood looks against your siding and trim.

For a deeper comparison of material options and durability, see our guide on the best low-maintenance decking options.

How to Apply for a Deck Permit in Arlington

Arlington offers both online and in-person permit applications. Here's the step-by-step process:

Step 1: Gather Your Documents

Before applying, prepare:

• Site plan showing your property boundaries, existing structures, and the proposed deck location with dimensions and distances from property lines
• Construction drawings including a plan view (top-down), elevation views, and structural details (footing sizes, beam spans, joist spacing, ledger connection)
• Material specifications — what you're building with and the grade/species of lumber or composite product
• Property survey or plat — if you don't have one, you can often find it through your title company or the Tarrant County Clerk's office
• HOA approval letter (if applicable)

Step 2: Submit Your Application

Online: Arlington uses the MyGovernmentOnline (MGO) portal for permit applications. Create an account, upload your documents, and pay fees online. This is the fastest method.

In person: Visit the Building Inspections office at:

101 W. Abram Street, Arlington, TX 76010 Hours: Monday–Friday, 8:00 AM – 5:00 PM

Step 3: Plan Review

City reviewers check your plans for code compliance — structural adequacy, setback conformance, drainage, and safety. If revisions are needed, they'll send comments through the portal or by email.

Common reasons for rejection:

• Missing dimensions or incomplete structural details
• Setback violations
• Inadequate footing design for the span
• Missing ledger board flashing details
• No handrail or guard details for elevated decks

Step 4: Receive Your Permit and Schedule Inspections

Once approved, you'll receive your permit. Post it visibly at the job site — inspectors need to see it.

Arlington typically requires two inspections for a deck:

1. Footing inspection — before pouring concrete, the inspector verifies hole depth, diameter, and soil conditions
2. Final inspection — after the deck is complete, the inspector checks framing, railing, stairs, and ledger connections

Some projects may require additional inspections (electrical, framing mid-point). Your permit documents will specify which inspections are required.

Step 5: Get Your Final Approval

Pass the final inspection and you're done. The city closes the permit, and you have a legally built deck. This record stays with the property — a major asset when you eventually sell.

If your contractor handles the permit process for you (most reputable deck builders in the DFW area will), make sure the permit is pulled in your name as the property owner, not just the contractor's.

What Happens If You Build Without a Permit

Skipping the permit feels like saving time and money. It's neither.

Immediate consequences:

• Stop-work orders — if a neighbor reports your project or an inspector spots unpermitted work, the city can halt construction immediately
• Fines — Arlington can issue daily fines for code violations. These add up fast
• Required removal — in worst cases, the city can order you to tear down the deck entirely and start over with proper permits

Long-term consequences:

• Insurance issues — your homeowner's insurance may deny claims for injuries or damage related to an unpermitted structure
• Sale complications — home inspectors flag unpermitted work. Buyers negotiate down or walk away. Title companies may require resolution before closing
• Liability — if someone is injured on your unpermitted deck, you face increased personal liability
• Property tax assessments — Tarrant County's appraisal district uses aerial photography and building permits to track improvements. An unpermitted deck can trigger an audit

The cost of doing it right: A permit typically runs $150–$500 for most residential decks. Compared to a $5,000+ fine or the cost of tearing down and rebuilding, it's not even close.

If you've already built without a permit, contact Arlington's Building/Development Services department about bringing the structure into compliance. It's better to self-report than to be caught during a home sale.

Frequently Asked Questions

How much does a deck permit cost in Arlington, TX?

Most residential deck permits in Arlington cost between $150 and $500, depending on the project's estimated valuation. Simple ground-level decks on the lower end, larger elevated decks with electrical on the higher end. Plan review is typically included. Budget an additional $50–$100 if you need sub-permits for electrical or plumbing.

How long does it take to get a deck permit in Arlington?

Standard plan review takes 5–10 business days from the date of a complete submission. Incomplete applications or plans requiring revisions take longer — each revision cycle adds 3–5 business days. Submitting thorough, dimensioned plans the first time is the single best way to speed things up.

Can I build a deck without a permit in Arlington?

Ground-level decks under 200 square feet and 30 inches or less above grade may be exempt from permit requirements, but you still need to follow zoning setbacks and property-line rules. For anything larger or higher, a permit is required by law. Building without one exposes you to fines, forced removal, and problems when selling your home.

Do I need a survey to get a deck permit?

A formal survey isn't always required, but you do need an accurate site plan showing your deck's position relative to property lines and easements. If your property lines are uncertain, investing in a survey ($300–$600 in the Arlington area) prevents costly setback violations. Many homeowners find their original survey in their closing documents.

What inspections are required for a deck in Arlington?

Arlington typically requires a footing inspection (before pouring concrete) and a final inspection (after the deck is complete). Projects with electrical components like deck lighting or plumbing will require additional inspections for those trades. Your permit documents will list every required inspection. Never cover footings with concrete until the footing inspection passes.

What's the best time of year to build a deck in Arlington?

October through April is ideal. You avoid the brutal summer heat that makes outdoor construction miserable and potentially dangerous. Arlington's mild winters mean you can build almost year-round, and contractor availability is often better in the cooler months — which means more competitive pricing and faster scheduling.