As-Built Records: How to Capture Accurate As-Builts from Your Phone

As-built records are one of the most under-documented parts of a construction project — and one of the most consequential. When something goes wrong after handover, or when a future renovation team needs to know where the pipes run, the quality of your as-built documentation determines how quickly (and expensively) that gets resolved.

Historically, as-builts required a survey crew, expensive hardware, or a specialist. In 2026, contractors are capturing accurate as-builts from their existing iPhone. Here’s how.

What are as-built records?

As-built records (sometimes called as-built drawings) are documentation of a structure or space as it was actually built — as opposed to how it was designed. They capture the final dimensions, layout, and conditions of a space after construction or renovation is complete.

Common uses include:

• Handoff to building owners and facilities managers
• Reference for future renovation or fit-out work
• Insurance and legal documentation
• Verification that work was completed to spec
• Coordination with engineers, architects, and consultants

The traditional problem with as-built documentation

Traditional as-built capture requires either manual measurement (tape measure, laser distance meter) or expensive scanning hardware like Matterport’s Pro camera or a terrestrial laser scanner. Both are slow, expensive, and require specialist skills or equipment. Most contractors skip thorough as-builts because the cost-benefit doesn’t pencil out on smaller jobs.

How phone-based 3D scanning changes the equation

Any iPhone 12 Pro or newer includes Apple’s LiDAR sensor, which enables accurate 3D scanning of interior spaces. Manifold’s Orbit Measure feature uses that sensor to capture a full 3D model of any room in about 60 seconds, automatically generating a measurable floor plan and 3D walkthrough.

The output:

• A dimensionally accurate 3D model of the space
• An auto-generated floor plan
• The ability to take remote measurements without going back to site (accurate to half an inch)
• A shareable 3D walkthrough link you can send to engineers, architects, or owners — no account or app needed to view

When to use phone-based as-built scanning

This approach is ideal for:

• Renovation and remodel contractors who need to document existing conditions before work begins
• General contractors documenting completed spaces for client handover
• Property managers creating a permanent record of building interiors
• Restoration contractors documenting damage extent before remediation begins
• MEP and specialty trades recording rough-in locations before walls close

Limitations to know

Phone-based scanning is excellent for interior spaces under about 1,000 sq ft per scan. For very large spaces, multiple overlapping scans can be combined. It requires iPhone 12 Pro or newer (the LiDAR sensor is the hardware requirement, not extra equipment you need to buy). Outdoor environments and very dark spaces are harder to scan accurately.

Getting started with as-built records on Manifold

Manifold’s Photo+Scan plan includes unlimited 3D scanning at $24/user/month. No hardware to buy, no setup, no specialist required. Your existing iPhone and 10 minutes of setup is all you need.

Learn more about Orbit Measure 3D scanning →

See how Manifold handles interior scanning →

Start your free trial →