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Land surveying is the one profession in this group where the licence is not merely advisable but definitional. Where your property line runs is a legal question answered by evidence on the ground, recorded documents and the rules of boundary retracement, and states reserve that work to licensed surveyors. Washington puts it plainly: locating and monumenting points or lines which define the exterior boundary common to two or more ownerships must be conducted by a licensed land surveyor, and the surveyor must file a record of survey with the county auditor within 90 days after establishing, reestablishing or restoring a corner on such a boundary.

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The credential itself is a state one. Washington's statute defines the practice of land surveying as assuming responsible charge of the surveying of land for the establishment of corners, lines, boundaries and monuments, the laying out and subdivision of land, the survey of land areas to determine topography, and the preparation of maps and accurate records. Texas licenses registered professional land surveyors through the same board that licenses engineers, requiring the national Principles and Practice of Surveying examination, documented boundary surveying experience, references from three licensed surveyors and a Texas-specific examination.

A surveyor is also the person who signs the one federal form most homeowners in a flood zone will ever need.

Boundary work is licensed work, and the record is public

The reason boundary surveying is so tightly held is that the output changes legal rights. Washington's survey recording act requires that the locating and monumenting of points or lines defining an exterior boundary common to two or more ownerships be conducted by or under the supervision of a licensed land surveyor, and requires a record of that survey to be filed with the county auditor of the county in which the land is situated within 90 days of establishing, reestablishing or restoring a corner. That filing is what makes the work durable: the next surveyor, the next owner and the next dispute can all find it.

Licensure is reached through a national and a state component in most places. Texas requires candidates for registered professional land surveyor to pass the national Principles and Practice of Surveying examination before applying, to document boundary land surveying experience, to supply references from three licensed or registered professional land surveyors, to submit transcripts, to complete a criminal history record check and to pass the Texas-specific surveying examination. The state-specific piece exists because boundary law itself is state law, which is the reason a surveyor licensed elsewhere cannot simply work across the line.

The surveys homeowners actually order

  • Boundary survey: the full retracement of your property lines, with corners monumented and a plat produced.
  • Topographic survey: measured contours, spot elevations and features, which is the base map a site designer or architect needs.
  • As-built or improvement survey: where structures, driveways and hardscape actually sit relative to the lines and setbacks.
  • ALTA/NSPS land title survey: the detailed survey ordered in commercial transactions and by some lenders and title insurers.
  • Elevation certificate: the federal flood form, prepared and certified for buildings in mapped flood hazard areas.
  • Subdivision or lot line adjustment plats: the recorded documents that create or change parcels.
  • Construction staking: setting the marks a contractor builds to, so the house lands where the plan says it does.

The FEMA elevation certificate, and who may sign it

If your house is in a mapped flood hazard area, the elevation certificate is the document that decides both compliance and, often, insurance. FEMA describes it as serving a community's floodplain management duty: a community's permit file must have an official record that shows new buildings and substantial improvements in all identified Special Flood Hazard Areas are properly elevated, and FEMA encourages communities to use its own form since it can also be used by the property owner to obtain flood insurance.

The certification is restricted, and this is the single most useful thing to know about it. FEMA states that the elevation certificate must be prepared and certified by a Licensed Land Surveyor, Registered Professional Engineer, or architect who is authorized by Commonwealth, State, or local law to certify elevation information. No home inspector, contractor, insurance agent or realtor can supply it. FEMA also notes that elevation certificates are required for certain map change requests and are used to verify compliance with building requirements, so the same document turns up when an owner is trying to have a property removed from a flood zone designation. If you are buying, building, elevating or insuring in a flood hazard area, that form and the licensed person who signs it are the pieces to line up first.

How a boundary survey is actually performed

It is research before it is fieldwork. The surveyor pulls the deed and the deeds of adjoining parcels, the subdivision plat, any recorded easements, and previous records of survey filed with the county. That paper describes where the boundary should be. Then the field crew looks for physical evidence of where it has been treated as being: original monuments, iron pins, marked trees, old fence lines, and government corners.

The judgment happens where the two disagree, which is common. Retracement is the process of reconciling the record with the evidence under the boundary law of that state, which is why this is a licensed professional exercising judgment rather than a technician operating equipment. The result is monuments set at the corners, a plat showing what was found and what was set, and, where the state requires it, a record filed publicly. Ask what will be physically left on the ground, whether the plat will be recorded, and whether the surveyor will explain the findings to you if they differ from what you believed.

Fences, encroachments and the survey the last owner had

  • Relying on an old survey from a previous owner, which may predate a lot line adjustment, an easement or a corner that has since moved.
  • Treating a fence as the boundary, when fences are built where it was convenient far more often than where the line runs.
  • Building a shed, deck, driveway or pool close to a line without an as-built survey confirming setbacks.
  • A neighbor's improvement crossing the line, discovered years later when one of the properties is sold.
  • Confusing a plot plan drawn for a permit or a title company sketch with a boundary survey performed by a licensed surveyor.
  • Assuming a surveyor licensed in a neighboring state can work on your parcel, when boundary law and licensure are both state-specific.
  • Removing survey monuments during landscaping or construction, which destroys the evidence the next survey depends on.
  • Ordering a survey too late to influence a design that has already been drawn around assumed dimensions.

A plot plan is not a boundary survey

Several documents show a property with lines around it, and only one of them is a boundary survey. A plot plan or site plan drawn for a permit application shows proposed work on an outline of the lot, usually taken from a tax map or an old plat, and nobody has been to the corners. A title company's sketch illustrates a legal description. A mortgage inspection or location drawing, where states permit it, reports whether improvements appear to be within the lines without retracing them.

A boundary survey is the one where a licensed surveyor researched the record, found or set the monuments, and took professional responsibility for the result, with a record filed publicly where state law requires it. If you are resolving a dispute, building near a line, buying vacant land or dividing a parcel, that is the document you need and the others will not substitute. Ask for the deliverable by name when you request a quote, because ordering the cheaper product by accident is easy.

What moves a survey quote, and where LokalMatch fits

Survey pricing is driven by research and field conditions rather than by lot size alone. The variables are how much record research the parcel demands and how old and how well described the deeds are, how many corners must be found or set, how heavy the vegetation and terrain are, whether previous surveys exist and are recorded, whether monuments have been disturbed, whether adjoining owners' records have to be examined, and which deliverable you need: a plat, a recorded record of survey, an elevation certificate, or staking for construction. Rural parcels with old metes and bounds descriptions take far more research than a lot in a recorded subdivision.

LokalMatch is the introduction step and nothing more. You describe the property once: where it is, roughly how big, what you are trying to do, whether you have an existing survey or plat, and whether the work touches a flood zone. Licensed surveyors covering your area receive the request and the ones who are interested reach out to you. Pros pay for the requests they receive and homeowners are not charged. LokalMatch does not perform surveys, does not set prices, and does not vet, rank or recommend any surveyor, so verifying the state licence and naming the deliverable you need remains your responsibility.

Land Surveyors: frequently asked questions

Can anyone locate my property line, or does it have to be a licensed surveyor?

It has to be a licensed surveyor for a boundary. Washington requires that the locating and monumenting of points or lines defining an exterior boundary common to two or more ownerships be conducted by or under the supervision of a licensed land surveyor, and that a record of survey be filed with the county auditor within 90 days of establishing, reestablishing or restoring such a corner. Other states use their own wording for the same reservation.

Who can sign a FEMA elevation certificate?

FEMA states the certificate must be prepared and certified by a Licensed Land Surveyor, Registered Professional Engineer, or architect who is authorized by Commonwealth, State, or local law to certify elevation information. Nobody else can supply it, including home inspectors, contractors and insurance agents. The form supports a community's record that buildings in Special Flood Hazard Areas are properly elevated, and can also be used by the owner to obtain flood insurance.

Is the fence on my property line?

Probably not exactly, and that is the usual reason people order a survey. Fences follow convenience, old agreements and vanished features far more often than they follow the deed. A boundary survey reconciles the recorded description with the physical evidence under state boundary law and sets monuments at the corners, which is the only way to know before you build against it or argue about it.

Can I use the survey the previous owner gave me?

As background, yes; as authority, be careful. It may predate a lot line adjustment, a new easement, a road dedication or a neighbor's improvement, and its monuments may have been disturbed by landscaping or construction since. If you are building near a line, subdividing, or resolving a dispute, have a licensed surveyor confirm it rather than relying on a document nobody has checked against the ground.

What qualifications does a land surveyor hold?

A state licence, with a national and a state component. Texas requires its registered professional land surveyors to pass the national Principles and Practice of Surveying examination, document boundary surveying experience, supply references from three licensed surveyors, complete a criminal history record check and pass a Texas-specific surveying examination. Boundary law is state law, which is why the state-specific piece exists and why licences do not travel.

Sources

  1. RCW 58.09: Washington survey recording act
  2. RCW 18.43.020: definition of the practice of land surveying
  3. Texas Board of Professional Engineers and Land Surveyors: registered professional land surveyor
  4. FEMA: working with flood risk, engineers, surveyors and architects
  5. FEMA: elevation certificate

Written by the LokalMatch editorial team. Last reviewed September 21, 2026. How we write and check our guides

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What affects the cost of land survey

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Type of professional and service needed
  • Size and complexity of the project
  • Level of detail in drawings or reports
  • Number of site visits and meetings
  • Number of design revisions
  • Help with permits or contractor selection

How to compare land surveyors before you hire

  • Match the professional to the job: an architect or engineer where the work requires one, a designer for layout and finishes, or an inspector for a condition report.
  • Ask whether they are licensed or certified for this type of work in your area, where that applies.
  • Review a portfolio or sample report that's similar to your project.
  • Get a written agreement that spells out the services, deliverables, number of revisions and how fees are charged.
  • Ask whether their drawings will be suitable for a permit application, and whether they'll help with it.

Questions to ask land surveyors before you hire

  • Are you licensed or certified for this type of work in my area?
  • What exactly will you deliver: drawings, specifications, a report or site visits?
  • How are your fees charged: a fixed fee, hourly or based on the project cost?
  • How many rounds of revisions are included?
  • Will your drawings be ready for a permit application, and will you submit it?
  • Can I see a sample of a similar project or report?
  • Do you carry professional liability insurance?

When to call a pro for land survey

  • Before removing or moving a wall that may be load-bearing
  • Before buying a home, to understand its condition
  • When a permit application needs drawings

Land survey permits and local rules

Some land survey work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

Permits and licensing

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