As-Built Drawings for an LADBS Permit

If you are preparing a remodel, addition, ADU, tenant improvement, or legalization package in Los Angeles, accurate existing-condition drawings are usually the first practical step. As-built drawings for an LADBS permit give your architect, engineer, designer, and contractor a dependable record of what is actually on site, not what an old listing sketch or incomplete plan set says.

For many property owners, the challenge is not just getting measured plans. It is getting plans organized clearly enough for LA plan check, consultant coordination, and permit submittal. FastAsBuilt provides field-measured as-built drawings and measured floor plans across California, including Los Angeles, with local crews and permit-ready CAD files delivered in PDF and DWG formats.

Why as-built drawings matter for an LADBS permit

LADBS plan review depends on accurate existing conditions. Before your design team can show proposed work, they need a reliable base drawing of the current building. That base may include room layouts, wall locations, doors, windows, stairs, ceiling heights, and other visible features that affect code analysis, scope definition, and construction documents.

In Los Angeles, this is especially important because many buildings have been altered over time. Prior plans may be missing, outdated, or inconsistent with what is in the field. Measured as-built drawings reduce guesswork and help your team identify conflicts early, before they become plan check comments, redesign costs, or jobsite surprises.

• They help establish the true existing layout.
• They give architects and engineers a usable CAD base.
• They support clearer LA permit drawings for alterations and additions.
• They help owners compare current conditions against older records.
• They create a better starting point for consultant coordination.

If you want a deeper primer on the basics, see what as-built drawings are and how they are used on real projects.

What LADBS and your design team usually need from existing-condition plans

As-built drawings are not the full permit package by themselves. They are the measured existing-condition documents your design team uses to prepare the permit set. For an LADBS permit, that usually means your architect or designer needs drawings that are clean, dimensionally dependable, and easy to build on.

Depending on the project, an existing-condition set may include:

• Floor plans showing room configuration and circulation
• Overall building dimensions and key interior dimensions
• Door and window locations
• Stairs and major level changes
• Visible plumbing fixtures, cabinetry, and major built-ins where relevant
• Exterior elevations and building sections for more complex scopes

For a simple interior remodel, a 2D measured floor plan may be enough to start. For an addition, hillside property, multi-level home, or commercial space, your team may need a broader drawing package. That is why it helps to define the permit scope first, then order the level of documentation that matches it.

What FastAsBuilt delivers for Los Angeles permit preparation

FastAsBuilt uses on-site laser measurement, followed by drafting by senior drafters who produce permit-ready CAD files. Deliverables come as PDF and DWG, which makes them practical for architects, engineers, and permit expediters working on LADBS submissions.

Our standard options include:

• 2D As-Built Plans: starting at $900 for up to 1,500 square feet, then $0.50 per square foot. Includes 1 revision. Typical delivery is 48–72 hours. Turnaround times are estimates and may vary based on project complexity and scheduling.
• 3D As-Built Plans: starting at $1,500, then $1.00 per square foot. Includes a 3D model plus 2D floor plans, elevations, and sections. Includes 2 revisions. Typical delivery is 3–5 business days. Turnaround times are estimates and may vary based on project complexity and scheduling.
• Custom projects: commercial work, ADUs, SB9 projects, and tenant improvements are quoted individually.

If you are comparing service types, this guide on what is included in as-built drawings can help you understand which package fits your LA permit drawings.

Choosing between 2D and 3D as-built drawings for an LA building department submittal

Not every LADBS project needs the same level of documentation. The right package depends on how complex the property is and how your design team prefers to work.

When 2D plans are often enough

2D as-built plans are a strong fit when the existing space is straightforward and the main goal is to establish an accurate floor plan for design development. This is common for:

• Single-story homes
• Basic remodels
• Early feasibility studies
• Tenant planning where the layout is simple

When 3D documentation can save time

3D as-built plans can be the better choice when the building has multiple levels, complex rooflines, irregular geometry, or when elevations and sections are important from the start. This is often helpful for:

• Additions and major reconfigurations
• ADUs and garage conversions
• Commercial tenant improvements
• Projects with several consultants working from the same base model

In Los Angeles, where older housing stock and layered remodel history are common, a more complete record of existing conditions can prevent avoidable back-and-forth later in the permit process.

How the field-measurement process works in Los Angeles

The process starts on site. A local FastAsBuilt crew visits the property and captures dimensions using laser measurement. That matters because permit planning depends on what is physically there, not assumptions based on prior listings, hand sketches, or rough tape measurements.

After the site visit, senior drafters turn the field data into clean CAD drawings. The result is a base set your design professionals can use to prepare LA permit drawings and coordinate proposed changes.

Property owners usually get the best results when they prepare for the visit by making all rooms accessible and clarifying which structures are in scope. For example, if you need the main house, attached garage, detached garage, and existing patio documented, it helps to define that before measurement begins.

• Step 1: confirm the project type and property scope
• Step 2: schedule on-site laser measurement
• Step 3: drafting is completed by senior drafters
• Step 4: receive PDF and DWG files for your design and permit team
• Step 5: use the included revision process if minor updates are needed

If you want to understand the workflow in more detail, read how as-built drawings are made.

Common Los Angeles projects that need as-built drawings

Many owners first look for as-built drawings LADBS permit support when they are already under time pressure. A contractor is waiting, a designer cannot start, or a property purchase revealed there are no usable plans. In Los Angeles, these are some of the most common situations where measured plans are needed:

• Kitchen and bathroom remodels
• Room additions
• ADUs and garage conversions
• Interior reconfiguration of older homes
• Tenant improvements for retail or office space
• Legalization or correction work where existing conditions must be documented

As-built drawings are also useful when you just need a reliable starting point before deciding what to build. They help with feasibility, budgeting, and consultant discussions even before the permit package is fully designed.

For LA-specific ordering help, see where to get as-built plans in Los Angeles.

How to avoid delays with LA permit drawings

Good measured drawings do not guarantee instant plan approval, but they do improve the quality of the permit set your team submits. In practice, that means fewer assumptions and fewer avoidable discrepancies between existing and proposed conditions.

To keep your LADBS process moving, focus on these basics:

• Order drawings early. Do not wait until design deadlines are close.
• Define the scope clearly. Confirm whether you need only floor plans or also elevations and sections.
• Include all relevant areas. Accessory structures, garages, patios, and stair connections can matter.
• Share the files with your whole team. Architects, engineers, and contractors work better from the same base information.
• Ask what format is needed. PDF is useful for review, while DWG is essential for drafting and permit production.

It also helps to separate two questions that owners often combine. One is, “What exists today?” The other is, “What will LADBS require in the final permit set?” As-built drawings answer the first question and give your design team the foundation to answer the second.

Cost and timeline for as-built drawings in Los Angeles

Cost depends on the size of the property and the type of drawing package you need. FastAsBuilt pricing is straightforward for standard residential work and custom-quoted for more specialized scopes.

• 2D As-Built Plans: starting at $900 for up to 1,500 square feet, then $0.50 per square foot
• 3D As-Built Plans: starting at $1,500, then $1.00 per square foot
• Custom work: commercial projects, ADUs, SB9, and tenant improvements quoted individually

Typical turnaround is 48–72 hours for 2D plans and 3–5 business days for 3D plans. That speed can be valuable when your architect needs a base file quickly to move LA building department documentation forward.

Turnaround times are estimates and may vary based on project complexity and scheduling.

If you are budgeting options, you can also review how much as-built plans cost in Los Angeles. If you are ready to move ahead, you can start through the order page.

Frequently asked questions

Are as-built drawings enough by themselves for an LADBS permit?

No. As-built drawings document existing conditions. They are usually one part of the overall permit process, giving your architect, engineer, or designer a dependable base for the final permit set submitted to LADBS.

Will the drawings be delivered in a format my designer can use for LA permit drawings?

Yes. FastAsBuilt delivers permit-ready CAD files in PDF and DWG formats. That allows your design team to review the plans, draft proposed work, and coordinate the permit package more efficiently.

How long does it take to get measured plans in Los Angeles?

Typical delivery is 48–72 hours for 2D As-Built Plans and 3–5 business days for 3D As-Built Plans. Timing can vary based on project complexity and scope, especially for custom commercial or multi-structure projects.

Turnaround times are estimates and may vary based on project complexity and scheduling.

Should you order 2D or 3D plans for an LADBS project?

Choose 2D when you need a clear measured floor plan for a simpler project. Choose 3D when the property is more complex or when your team needs a 3D model, elevations, and sections from the start. If the project involves an ADU, addition, or commercial space, a broader package is often more useful.

Bottom line

If you need as-built drawings for an LADBS permit, the main goal is simple: give your team accurate existing-condition documentation they can trust. FastAsBuilt measures on site in Los Angeles, then delivers permit-ready PDF and DWG files that help your architect or designer prepare clearer LA permit drawings for plan check and construction.