If you’re planning a construction project in Los Angeles—whether it’s a remodel, addition, ADU, or new build—getting a building permit is not optional. It’s a required step that ensures your project is safe, compliant, and legally approved.

But if you’ve ever tried navigating the permitting process in Los Angeles, you already know—it can be confusing, time-consuming, and frustrating.

Between city departments, plan check corrections, and strict California codes, many projects get delayed for weeks or even months.

This guide breaks down exactly how to get a building permit in Los Angeles, step by step, so you can avoid common mistakes and move your project forward faster.

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What Is a Building Permit (And Why It Matters)?

A building permit is official approval from the City of Los Angeles that allows you to proceed with construction.

Permits ensure:

• Your project meets building and safety codes
• Structural integrity is verified
• Electrical, plumbing, and mechanical systems are safe
• Your property remains compliant for resale and insurance

Skipping permits can result in:

• Fines and penalties
• Stop-work orders
• Forced demolition of unapproved work

Simply put—permits protect your investment.

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Step 1: Determine If You Need a Permit

Not all projects require permits—but most do.

You typically NEED a permit for:

• ADUs (Accessory Dwelling Units)
• Room additions
• Structural changes
• Garage conversions
• Electrical or plumbing upgrades
• New construction

You may NOT need a permit for:

• Cosmetic work (painting, flooring, cabinets)
• Minor repairs

However, Los Angeles has strict guidelines, and what seems “minor” can still require approval.

👉 Pro Tip: When in doubt, always verify—this is where many homeowners and contractors make their first mistake.

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Step 2: Prepare Your Construction Plans

This is where most projects either succeed or fail.

Before you can submit for a permit, you need a complete set of construction plans. These are detailed drawings that show exactly what you intend to build.

Typical plan set includes:

• Architectural drawings
• Site plan
• Floor plans
• Elevations
• Structural details
• Title 24 energy compliance
• Engineering (if required)

Incomplete or poorly prepared plans are the #1 reason permits get delayed.

👉 This is where professional plan drafting services become critical—clean, code-compliant plans dramatically speed up approvals.

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Step 3: Submit Plans to the City of Los Angeles

Once your plans are ready, they must be submitted to the Los Angeles Department of Building and Safety (LADBS).

Submissions can typically be done:

• Online (via LADBS portal)
• In person (depending on project type)

At this stage, your application is officially logged and enters the review process.

What happens next?

Your project goes through plan check review, where city officials evaluate your plans for code compliance.

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Step 4: Plan Check Review (The Biggest Bottleneck)

This is where most delays happen.

During plan check, different departments may review your project, including:

• Building & Safety
• Zoning
• Structural
• Electrical
• Plumbing
• Fire Department (if applicable)

Common outcomes:

• ✅ Approved (rare on first submission)
• ⚠️ Corrections required (most common)

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Step 5: Address Plan Check Corrections

If your plans are not approved (which is very common), you’ll receive a correction notice.

This document outlines what needs to be fixed before approval.

Common correction issues:

• Missing details
• Code violations
• Incomplete structural information
• Title 24 discrepancies
• Zoning conflicts

Each correction must be addressed carefully and resubmitted.

👉 This is where many projects stall—misunderstanding corrections or responding incorrectly can reset your timeline.

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Step 6: Resubmission & Approval

After corrections are made, your plans are resubmitted for review.

If everything is properly addressed:

• Your plans are approved
• You move to permit issuance

If not:

• Additional corrections may be required

This back-and-forth cycle is why permits can take weeks—or even months.

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Step 7: Permit Issuance

Once your plans are approved, the city will issue your building permit.

At this point:

• You pay final fees
• Your permit is officially granted
• Construction can legally begin

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Step 8: Inspections During Construction

Permits don’t end when construction begins.

You’ll need inspections at key stages:

• Foundation
• Framing
• Electrical
• Plumbing
• Final inspection

Failing inspections can cause additional delays—so everything must be built according to approved plans.

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How Long Does It Take to Get a Permit in Los Angeles?

Timelines vary depending on project complexity, but generally:

• Simple projects: 2–6 weeks
• Moderate projects: 1–3 months
• Complex projects: 3–6+ months

The biggest factors that affect timeline:

• Quality of plans
• Number of corrections
• City workload
• Whether you use a permit expediter

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Common Mistakes That Delay Permits

Avoid these at all costs:

❌ Submitting incomplete plans

❌ Ignoring zoning requirements

❌ Misunderstanding correction comments

❌ Trying to handle everything yourself without experience

❌ Delayed responses to plan check comments

These mistakes can easily add months to your timeline.

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How to Speed Up the Permit Process

If you want to move fast, here’s what actually works:

✅ Start with professional, code-compliant plans

✅ Address corrections quickly and accurately

✅ Stay in constant communication with the city

✅ Use a permit expediting service

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Why Permit Expediting Is a Game-Changer

Permit expediting services exist for one reason—to get your project approved faster and with fewer headaches.

An experienced expediter:

• Navigates city departments
• Handles submissions and resubmissions
• Responds to corrections correctly
• Prevents costly delays
• Keeps your project moving

For contractors, this means staying on schedule.
For homeowners, it means getting your project done sooner.

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Why Choose LA PLAN MAN

At LA PLAN MAN, we specialize in:

• Construction plan drafting
• Permit expediting
• Plan submission services
• ADU and new construction plans

We understand exactly how Los Angeles permitting works—and more importantly, how to avoid delays.

Our goal is simple:
👉 Get your plans approved as fast and efficiently as possible

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Get Your Project Approved Faster

If you’re planning a project in Los Angeles and want to avoid delays, mistakes, and frustration—let us handle the process for you.

LA PLAN MAN provides complete support from plans to permit approval.

👉 Contact us today to get started and move your project forward with confidence.