How to Get a Deck Permit in Silver Spring, MD (2026 Guide)

Everything you need to know about deck permits in Silver Spring, MD, local requirements, fees, timelines, and how to apply.

By Joey, Founder · Last updated May 15, 2026 · How we research →

$110 – $660 Permit Fees
about 2 weeks Approval Time
4 Local Rules

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Do You Need a Deck Permit in Silver Spring?

Based on Silver Spring's local building codes, you'll need a permit when:

Required·Rule 1

Attached decks require a permit.

SourceMaryland Building Code / 2018 IRC
Required·Rule 2

Decks over 30 inches require a permit.

SourceMaryland Building Code / 2018 IRC
Required·Rule 3

Covered decks over 300 sq ft require a permit.

SourceMaryland Building Code / 2018 IRC

These deck projects are typically exempt in Silver Spring:

Exempt·Rule 1

Freestanding decks under 30 inches are exempt.

SourceMaryland Building Code / 2018 IRC

Permit Fees in Silver Spring

Based on local Silver Spring permit data, fees for deck projects typically range:

$110 – $660 Silver Spring Permit Fee Range

Here's how fees break down by project scope nationally:

Project ScopeTypical Permit Fee
Small deck (under 200 sq ft)$75 – $250
Medium deck (200–500 sq ft)$200 – $500
Large or multi-level deck (500+ sq ft)$400 – $1,000+
High-cost metros (SF, NYC, Seattle)$500 – $1,500+
Plan review fee (in addition to permit)50–65% of base permit fee
Re-inspection fee (per failed inspection)$25 – $75

Fees are typically calculated based on estimated project value. Contact Montgomery County DPS for exact amounts.

How Long Does It Take?

In Silver Spring, typical approval time for deck permits is about 2 weeks.

More complex projects requiring structural review or variances may take longer. Simple projects may qualify for expedited or over-the-counter review in some cases.

How to Apply for a Deck Permit in Silver Spring

  1. 1 Check requirements: Use our free lookup tool or contact Montgomery County DPS to confirm your project needs a permit.
  2. 2 Gather documents: Prepare your application, site plan, construction drawings, and any other required documents.
  3. 3 Submit online: Silver Spring accepts applications online at Montgomery County DPS.
  4. 4 Pay fees: Pay the applicable permit fees ($110 – $660).
  5. 5 Wait for approval: Your application will be reviewed by Silver Spring plan reviewers. Typical turnaround is about 2 weeks.
  6. 6 Begin work: Once approved, post your permit visibly at the job site before starting work.
  7. 7 Schedule inspections: Call Montgomery County DPS at (311) 311-0000 to schedule required inspections at each phase of the project.

Silver Spring Building Department Contact

NameMontgomery County DPS
Apply OnlineApply online
Address255 Rockville Pike, Rockville, MD 20850
HoursMon-Fri 8am-4:30pm

Required Inspections in Silver Spring

Most deck projects in Silver Spring require inspections at each construction stage:

Inspection·Stage 1

Footing / Pier Inspection, Hole locations match approved plans, hole dimensions (diameter and depth) meet specifications, depth is below the local frost line, holes are clean and free of loose dirt or standing water, rebar or post brackets are positioned correctly if required, and soil conditions are adequate.

WhenAfter holes are dug but before concrete is poured
Common FailuresHoles not deep enough, wrong locations relative to plans, standing water or loose soil at the bottom of the hole.
Inspection·Stage 2

Framing Inspection, Ledger board attachment (correct fasteners, proper spacing, flashing installed), post-to-footing connections with approved connectors, beam and joist sizes and spans match approved plans, all joist hangers installed with every nail hole filled, guard rail posts properly connected to framing, stair stringers installed, correct hardware for treated lumber, and lateral bracing for freestanding decks over 30 inches.

WhenAfter all structural framing is complete but before decking boards are installed, the inspector must be able to see all framing
Common FailuresMissing joist hanger nails (every hole must be filled), ledger not properly flashed, wrong fastener type for treated lumber, beam or joist spans exceeding IRC tables.
Inspection·Stage 3

Final Inspection, Guard rail height (minimum 36 inches), baluster spacing (maximum 4 inches, a 4-inch sphere cannot pass through), guard rail structural integrity (must resist 200 lb concentrated load), stair riser height (maximum 7-3/4 inches) and tread depth (minimum 10 inches) with uniform measurements, handrail height on stairs (34–38 inches) and graspability (1-1/4 to 2-inch diameter), landings at top and bottom of stairs, and overall completion matching the approved plans.

WhenAfter all work is complete, decking, railings, stairs, and trim
Common FailuresBaluster spacing too wide, inconsistent stair riser heights (maximum 3/8-inch variation allowed), handrail not graspable, guard height short of the 36-inch minimum.

Schedule inspections with Montgomery County DPS at (311) 311-0000 at least 24–48 hours in advance.

Frequently Asked Questions

Whether you need a permit depends on the size and scope of your deck project. In Silver Spring, some smaller projects are exempt while larger ones require a permit. Use our free lookup tool to check your specific situation.

Permit fees for deck projects in Silver Spring typically range from $110 – $660. Fees are usually based on the estimated project value.

Typical approval time in Silver Spring is about 2 weeks. Complex projects requiring structural review may take longer.

In most cases, homeowners in Silver Spring can pull permits and perform work on their own primary residence as an owner-builder. You're still responsible for meeting all code requirements and passing inspections.

Working without a required permit in Silver Spring can result in fines, stop-work orders, required removal of completed work, and complications when selling your home.

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Deck Permits in Nearby Cities

See deck permit requirements in other Maryland cities:

See Detailed Deck Rules for Silver Spring

View all local rules, exemptions, and fee details on the permit page.

Deck Permit Rules →
Disclaimer: This guide provides general information about deck permit requirements in Silver Spring, MD. Requirements can change. Always confirm with Montgomery County DPS before starting any project. PermitMint provides general guidance, not legal advice.