As-Built Services Companies Supporting Projects in Los Angeles

Los Angeles runs on precision when it comes to construction, renovation, and permitting. From Downtown high-rises to Santa Monica remodels, every project depends on accurate as-built documentation to keep plans aligned with real conditions. These services bridge the gap between what’s designed and what’s actually built – providing reliable floor plans, elevations, and 3D scans that eliminate costly surprises down the line.

Across LA, a mix of seasoned drafting firms and tech-driven survey teams handle everything from residential remodels to complex commercial projects. They combine field measurements, LiDAR data, and CAD/BIM expertise to deliver precise existing-condition models ready for architects, engineers, and contractors. Below is a look at several as-built service companies helping Los Angeles builders, designers, and property owners work with clarity and confidence.

2. Precision Property Measurements (PPM)

Precision Property Measurements (PPM) provides professional as-built surveying and drafting services for residential and commercial properties across Los Angeles and nationwide. The company focuses on delivering precise documentation of existing buildings to support renovation, remodeling, and construction projects. Each project is handled with careful coordination between field surveyors and drafting specialists to ensure accuracy, consistency, and timely delivery.

PPM’s process combines field expertise with modern technology such as LiDAR laser scanning and 3D modeling. The company’s experience covers thousands of as-built projects, from small residential remodels to complex commercial properties. By maintaining standardized workflows and clear communication, PPM helps project teams rely on accurate base drawings and models that reflect real-world conditions before any design or construction work begins.

Key Highlights:

• Established as a national as-built surveying company with headquarters in Los Angeles.
• Utilizes LiDAR laser scanning and Revit modeling for precise data capture.
• Provides dedicated project management for every client.
• Experienced in residential, commercial, and multi-site surveys.
• Offers detailed Revit models, CAD plans, and field documentation.

Services:

• Residential and commercial as-built surveys
• 2D drafting and 3D modeling
• Multi-site as-built documentation
• Field measurements using laser scanning
• BIM model creation and Revit plan delivery

3. MAX 360

MAX 360 specializes in technical outsourcing and back-office solutions for architecture, engineering, and construction (AEC) firms. The company operates from Pasadena, California, offering a structured system for integrating virtual design and construction (VDC) professionals directly into client teams. Its goal is to help firms streamline operations, reduce overhead, and scale their project capabilities using experienced technical specialists.

The service model centers on staff augmentation rather than traditional outsourcing. MAX 360 provides teams of Revit, CAD, and BIM professionals who work within a client’s workflow and tools. By combining technical skills, advanced software, and flexible deployment, the company supports architects, contractors, and developers with detailed drafting, modeling, visualization, and quantity takeoff services.

Key Highlights:

• Based in Pasadena with nationwide AEC client partnerships.
• Focus on Virtual Design and Construction (VDC) and BIM support.
• Employs specialists experienced with top construction technologies.
• Integrates directly into client operations for seamless collaboration.
• Offers scalable staffing and flexible project deployment.

Services:

• Building Information Modeling (BIM)
• CAD drafting and shop drawings
• 3D renderings and visualizations
• Quantity takeoffs and documentation
• Virtual Design and Construction (VDC) consulting

4. Alterpex

Alterpex is a California-based BIM and design technology company providing as-built survey and 3D scanning services in Los Angeles and other major cities. The company assists architects, engineers, developers, and contractors in capturing accurate site conditions through advanced scanning and modeling techniques. Its work emphasizes precision and sustainability, helping clients document, visualize, and plan projects with reliable data.

Using high-definition LiDAR and SLAM systems, Alterpex delivers detailed 2D and 3D representations of existing structures. The team produces Revit models, digital twins, and visual documentation for both residential and commercial projects. Beyond as-built surveys, Alterpex supports full BIM coordination, clash detection, and virtual walkthroughs, giving professionals the tools to manage complex design and construction workflows efficiently.

Key Highlights:

• Operates from Los Angeles and San Francisco offices.
• Uses advanced LiDAR and SLAM laser scanning systems.
• Provides digital twins and high-quality Revit models.
• Works with clients across the architecture and construction industries.
• Focused on integrating sustainable design and technology.

Services:

• 3D laser scanning and as-built surveys
• Scan-to-BIM modeling and visualization
• Digital twin creation and property documentation
• MEP survey and existing condition reporting
• BIM coordination and project management

5. As Built LA

As Built LA provides as-built surveying and drafting services for residential and commercial projects across Southern California. The team documents existing conditions and delivers clean CAD and model files that can slot into typical architect and interior design workflows. Turnarounds focus on practical project needs, with file formats matched to how design teams actually work on remodels and additions.

Deliverables cover standard architectural bases like floor plans, elevations, and roof plans, along with interior packages when a project needs ceiling, lighting, and elevation detail. Support services include on-site scanning and visual records, so project teams can reference the space without extra site visits. Packages are modular, which helps scope the work to what the project truly needs rather than a one-size set.

Key Highlights:

• Service packages for essential, architectural, interior, and custom scopes
• File delivery in AutoCAD, Revit, SketchUp, Rhino, and PDFs
• Coverage across Southern California with 7-day scheduling availability
• Options for visual references like Matterport tours and site photos
• Local team coordination with straightforward quoting and communication

Services:

• As-built surveys for residential and commercial properties
• Floor plans, exterior elevations, roof plans, and sections
• Interior packages with ceiling plans, lighting plans, and interior elevations
• Point cloud capture, Leica or Faro scanning, drone scan, and Matterport tours
• Scan-to-CAD and scan-to-BIM modeling with 2D and 3D deliverables

6. As-Built Company

As-Built Company provides measurement and documentation of existing conditions for projects across California. The focus is on producing precise as-builts that match the scope of work, with a straightforward intake and estimating process. Communication is kept simple, which makes it easier to align on what drawings are needed before design begins.

The service catalog centers on practical deliverables that architects, builders, and owners expect during early phases. Drawing sets are sized to project requirements rather than a fixed template, so teams can request only what will move the work forward. Contact and scheduling are handled directly, keeping lead time and file handoff predictable.

Key Highlights:

• California coverage with direct phone and email contact
• Scope aligned to project needs rather than preset bundles
• Focus on precise field measurement and clear drawing output
• Simple estimate and scheduling workflow
• Drawings intended for design kickoff and permitting preparation

Services:

• Residential and commercial as-built surveys
• CAD drafting of floor plans, elevations, and basic site plans
• Measured drawings tailored to remodels, additions, or tenant improvements
• Coordination on requested sheet lists and file formats
• Handoff of clean CAD and PDF files suitable for design teams

7. AsBuilt Professionals

AsBuilt Professionals delivers as-built documentation in Los Angeles and across California, with coverage available for multi-location work. The company documents existing conditions in 2D and 3D using laser hardware with BIM and CAD workflows. Output is set up for straightforward use in design, permitting, and facility updates.

Scope spans residential, commercial, and industrial properties. Typical drawing sets include architectural, structural, and building system details, with models and photos provided when needed. File delivery aligns with common formats used by architects and owners to keep coordination simple.

Key Highlights:

• As-built capture in both 2D and 3D
• Laser-based field methods with BIM and CAD delivery
• Drawing sets aligned to design and permitting workflows
• File formats suited to common software stacks
• Residential, commercial, and industrial coverage

Services:

• Floor plans, elevations, roof plans, building sections, site plans
• Reflected ceiling plans, interior elevations, finish schedules
• MEP plans and schedules
• BOMA plans and egress plans
• Revit models, CAD DWG, PDFs, photo documentation, aerial photography

8. LA ASBUILTS

LA ASBUILTS provides measured drawings and models for projects throughout Los Angeles County. The company focuses on precise field capture and clean drafting, with fast turnarounds sized to the scope. Deliverables include full CAD and PDF files, with optional 3D outputs to support design and coordination.

Service coverage ranges from single properties to multi-unit sites, including remodels and additions. Support can extend into permitting tasks and visual records. Scheduling is flexible, and file handoff is formatted for direct use by designers and builders.

Key Highlights:

• Precise measured drawings with fast turnaround
• Full CAD and PDF delivery with optional 3D models
• Scheduling availability focused on project timing
• Coverage across Los Angeles County
• Drone and visual add-ons for remote review

Services:

• Floor plans, site plans, roof plans, section elevations
• Interior and exterior elevations, reflected ceiling plans
• 3D models and render-ready geometry
• Drafting, design support, and permitting assistance
• Drone services and documentation packages

9. Precision Engineering Surveyors, Inc.

Precision Engineering Surveyors, Inc. offers as-built surveys as part of a wider land surveying practice serving Los Angeles and surrounding counties. Work centers on accurate field measurement, clear documentation, and coordination with design and construction teams. Communication is handled by a dedicated office that manages quotes, scheduling, and delivery.

As-built output is produced alongside related survey services, which helps projects align boundary, topographic, and design requirements in one place. The firm supplies documentation suited for verification, compliance checks, and future modifications, reducing surprises during construction.

Key Highlights:

• As-built surveys integrated within a full surveying practice
• Coordination with boundary, topographic, and design survey needs
• Emphasis on accuracy, scheduling, and clear deliverables
• Office-based quoting and project support
• Service coverage across Southern California

Services:

• As-built surveys for buildings and sites
• Commercial land surveying and construction staking
• Topographic and design surveys
• Boundary surveys, ALTA surveys, mapping, corner records
• Documentation for compliance, verification, and closeout

10. M&M&Co.

M&M&Co. provides surveying and mapping services for residential and commercial projects across Los Angeles and Ventura counties. As-built work fits into a broader catalog that includes boundary, ALTA, topographic, setback, and staking services, so existing conditions can be documented alongside permitting and property needs. Intake is handled through direct estimate requests, with guidance on which survey type fits the project.

As-built deliverables are offered for interior and architectural scopes, with file outputs aligned to common professional workflows. The team coordinates with architects, engineers, contractors, and homeowners to define the scope, set expectations, and package drawings with any related certifications or mapping tasks when required.

Key Highlights:

• Local coverage across Los Angeles and Ventura counties
• Interior as-built and architectural survey options
• Coordination with boundary, ALTA, and topographic needs
• Estimate and consultation support to pick the right survey
• Samples and FAQs available for clarity on scope

Services:

• Interior as-built surveys
• Architectural surveys and cross sections
• Boundary, ALTA, topographic, setback, and staking
• Easements, lot line adjustment, lot tie, and compliance certificates
• Roof height certifications, FEMA elevation certificates, and monitoring

11. Apex As-Builts

Apex As-Builts delivers as-built documentation for residential, commercial, and industrial properties in Southern California. Field capture uses 3D laser scanning and other tools, followed by drafting in 2D or 3D to match client standards and templates. The process is structured around survey, draft, deliver, and support, with clear handoff and follow-up when additional outputs are needed.

Deliverables include CAD drawings, BIM models, plan conversions, BOMA analyses, and photo documentation. File handoff covers CAD formats and PDFs, with options for separate scanning service, UAS mapping, and Dropbox delivery. Communication is straightforward, with a quote form, direct phone contact, and email support.

Key Highlights:

• Structured workflow from field survey to drafting and delivery
• 3D laser scanning, GPS, UAS, and traditional measuring tools
• CAD and BIM deliverables tailored to project templates
• Plan conversions and BOMA area analyses available
• Post-delivery support for add-ons or clarifications

Services:

• 2D CAD drawings and BIM or 3D CAD modeling
• 3D laser scanning and standalone scanning service
• Plan conversions and BOMA analyses
• UAS mapping and photo documentation
• CAD or BIM handoff with PDFs and shared links

12. Dimensions

Dimensions provides as-built drawings and scans to BIM services using LiDAR and photogrammetry, with teams that handle residential, commercial, and industrial scopes. Work focuses on capturing existing conditions and translating them into coordinated drawings, models, and visual records that reduce site visits and support design decisions.

Service options include reality capture, digital documentation, and analytics deliverables such as BOMA analysis and dashboarding. Engagement starts with a quote or direct contact, and projects can be supported nationwide through local field teams. Output is intended to fit standard design workflows for architects, contractors, and owners.

Key Highlights:

• LiDAR and photogrammetry based reality capture
• Scan to BIM workflows for coordinated models and drawings
• Residential, commercial, and industrial scope coverage
• Visual records and dashboards to support planning
• Nationwide reach with local field teams

Services:

• As-built drawings and scan to BIM modeling
• Reality capture with LiDAR and photogrammetry
• Residential, commercial, and industrial documentation
• BOMA analysis and related reporting
• Landscape site plans and project photo or 360 tours

Conclusion

Los Angeles has become a hub for professional as-built and BIM documentation, supported by firms that balance technology, precision, and practical field experience. Companies like As Built LA, Precision Property Measurements (PPM), Alterpex, MAX 360, and As-Built Company each bring different strengths – from rapid turnaround and modular packages to large-scale nationwide surveying and advanced 3D modeling.

For architects, designers, engineers, and contractors, these services remove uncertainty in early project stages by delivering accurate drawings and models that reflect existing conditions. Whether the goal is a small residential remodel or a complex commercial renovation, Los Angeles offers a full ecosystem of as-built specialists ready to document, visualize, and support the next phase of design with reliable data and consistent execution.