Due Diligence and Site Assessment

Survey (ALTA/NSPS)

A detailed property survey conforming to joint ALTA/NSPS standards — the standardized boundary and improvement documentation lenders and title companies rely on for commercial transactions.

Home Glossary Due Diligence and Site Assessment Survey (ALTA/NSPS)
Definition

An ALTA/NSPS survey is a detailed property survey conforming to standards jointly established by the American Land Title Association and National Society of Professional Surveyors, documenting property boundaries, improvements, easements, and other physical features. This standardized survey format is commonly required by lenders and title companies for commercial real estate transactions, providing a consistent, thorough level of detail.

What an ALTA/NSPS survey typically documents

ElementWhat's shown
Property boundariesPrecise legal boundary lines and any encroachments
ImprovementsBuildings, parking, and other structures with dimensions
EasementsPhysical location of recorded easements
Flood zone informationFEMA flood zone designation if applicable

What to watch for before committing

Licensed surveyor qualifications

Engage a properly licensed surveyor experienced with ALTA/NSPS standards for this specialized survey.

Boundary encroachment identification

Carefully review the survey for any boundary encroachments, either by the subject property onto neighbors or vice versa.

Easement location verification

Confirm the survey clearly shows the physical location of any recorded easements, since this affects how they impact your intended use.

Table A optional items selection

Understand the optional Table A items available in ALTA/NSPS surveys and select those relevant to your specific due diligence needs.

Currency of the survey

For significant transactions, confirm the survey is current or recent, since site conditions can change over time.

Coordination with title insurance

Coordinate survey timing and scope with your title insurance requirements, since certain coverage may depend on survey findings.

When you need to know this

  • Purchasing commercial property — documenting precise boundaries and improvements before closing
  • Financing a property acquisition — satisfying lender requirements for standardized survey documentation
  • Identifying boundary or encroachment issues — uncovering physical discrepancies not apparent from records alone
  • Planning site improvements or expansion — understanding precise boundaries and existing easement locations

Frequently asked questions

What is an ALTA/NSPS survey? +
An ALTA/NSPS survey is a detailed property survey conforming to standards jointly established by the American Land Title Association and National Society of Professional Surveyors, documenting boundaries, improvements, and easements.
Why do lenders require ALTA/NSPS surveys? +
This standardized survey format provides a consistent, thorough level of detail that lenders and title companies rely on to assess property boundaries, improvements, and potential title issues for commercial transactions.
What are Table A items in an ALTA/NSPS survey? +
Table A items are optional additional survey elements beyond the base requirements, such as detailed flood zone information or specific improvement measurements, that can be selected based on your specific due diligence needs.
Can a survey reveal boundary encroachments? +
Yes, this is one of the key purposes of a detailed survey, identifying any encroachments where structures or improvements cross legal property boundaries either onto or from neighboring parcels.

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