As-Built & Verification Surveys in Los Angeles & Ventura County

What an  As-Built and Verification Survey Covers

An as-built  survey documents the location, dimensions, and elevations of existing  improvements on a property, buildings, hardscape, utilities, fences, walls,  and other constructed features. A verification survey is performed during or  after construction to confirm that built improvements conform to permitted  plans and approved setbacks. Both deliverables provide measured documentation  that supports design coordination, permit submittals, construction milestone  approvals, and project closeout. We deliver as-built and verification surveys  for residential remodels, ADU and addition projects, commercial buildings,  and public works construction.

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Common  Reasons Clients Request an As-Built and Verification Survey

• Remodel or  addition planning where existing improvements need accurate documentation

• Permit submittals requiring verification of existing  setbacks, heights, or coverage

• Foundation or formwork verification before concrete is  placed

• Setback verification after framing to confirm compliance  with approved plans

• Building height verification for compliance with zoning and  design review approvals

• Construction milestone documentation required by lender,  agency, or design professional

• Project closeout deliverable for commercial or public works  construction

• Insurance, legal, or due diligence documentation of existing  conditions

• Reconciliation between approved plans and actual built  conditions

What’s  Included in an As-Built and Verification Survey

• Field  measurement of improvements, structures, and visible features within the  agreed scope

• Elevation data on key features (finish floor, top of wall,  top of foundation, building corners)

• Documentation of dimensions, offsets to property lines, and  clearances

• Comparison with approved plans when verification is part of  the scope

• CAD-ready deliverable depicting measured conditions

• Stamped and signed map when required for permit or agency  submittal

• Photographic documentation of key conditions when relevant

Common  As-Built and Verification Survey Add-Ons

• Boundary  survey integration (locate improvements relative to verified property lines)

• Topographic data overlay (existing grade and improvement  elevations on a single deliverable)

• Floor plan survey (interior dimensions and configuration of  existing buildings)

• 3D laser scanning (millimeter-accurate point cloud for  complex building geometry)

• Encroachment exhibit (when verification reveals improvements  crossing property lines)

What We  Need to Start Your As-Built and Verification Survey

• Property  address (and APN if available)

• Purpose of the as-built: design coordination, permit,  verification, closeout, etc.

• Approved plans being verified against (if applicable), PDF  and CAD if available

• Scope: which improvements, what level of detail, exterior or  interior, full site or specific area

• Required deliverable format: PDF, CAD (DWG/DXF), specific  drawing scale

• Schedule constraints: pre-pour foundation verification has  limited timing windows

• Access details: occupancy, restricted areas, contractor  coordination, agency notice requirements

Our  As-Built and Verification Survey Process

1. Scope  confirmation. We confirm what's being documented, what level of detail is  required, and which plans or standards we're verifying against.

2. Plan review. We review approved plans, prior surveys, and  applicable agency requirements.

3. Field work. Our crew measures the improvements, elevations,  and offsets with the required level of accuracy.

4. Comparison and analysis. We compare measured conditions to  approved plans and identify any discrepancies (when verification is in  scope).

5. Mapping and delivery. We compile the as-built deliverable,  stamp and sign as required, and deliver in the requested format.

As-Built  and Verification Survey Deliverables

• As-built or  verification survey map (PDF, stamped/signed when required)

• CAD file (DWG/DXF) with measured improvements and elevations

• Comparison exhibit highlighting discrepancies from approved  plans (when applicable)

• Photographic documentation of key conditions when included  in scope

• Stamped letter or certification when required by the  permitting agency

Why  Builoff for Your As-Built and Verification Survey

• Licensed  California PLS (PLS 8099) overseeing all verification and certification work

• Experience with LA City, LA County, Ventura County, and  incorporated city permitting workflows

• Foundation verification scheduled around contractor pour  schedules, fast turnaround when timing matters

• Integration with boundary, topo, and 3D laser scanning when  project complexity requires it

• Familiarity with common verification triggers, setback,  height, FAR, lot coverage, easement compliance

• Clear deliverables that contractors, design professionals,  and permitting reviewers can read at a glance