Pennsylvania Survey Guide

Find a Land Surveyor in Delaware County, PA

Updated for 2026 · 4 min read · Find a Surveyor

Key takeaway

Find a licensed land surveyor in Delaware County, PA. Verify credentials through PELSB, understand Delco's row home surveys, and locate the right firm

Finding a Licensed Land Surveyor in Delaware County, PA

Delaware County is one of Pennsylvania's most densely developed counties, sitting directly southwest of Philadelphia. Its cities and townships, including Chester, Upper Darby, Haverford, Ridley, and Springfield, pack a significant range of property types into a relatively small geographic footprint. Whether you need a survey for a row home boundary dispute, a commercial transaction on Route 1, or an elevation certificate for a property near Darby Creek, finding the right licensed surveyor matters. Delaware County has approximately 7 surveying businesses, which makes careful screening essential.

Start with License Verification

Pennsylvania land surveyors are licensed by the State Registration Board for Professional Engineers, Land Surveyors and Geologists, commonly called PELSB. Before you discuss your project in detail with any surveyor, verify their license at pals.pa.gov. Enter the surveyor's name or firm and confirm the license is active. This step costs you nothing and protects you from hiring someone whose license has lapsed or who has faced disciplinary action.

The Pennsylvania Council of Land Surveyors at pcls.net maintains a directory of member firms and advocates for professional standards in the field. Firms that are active PCLS members typically stay current on state standards and continuing education requirements, which matters when you need work that will hold up in a real estate transaction or legal proceeding.

Delaware County's Specific Survey Challenges

Delco presents surveying conditions that differ substantially from rural or lightly developed Pennsylvania counties. The residential landscape is built around row homes and twin homes, many of them constructed in the late 19th and early 20th centuries. These properties share walls, sit on small lots, and were platted under older surveying standards that sometimes conflict with modern measurements.

When you hire a surveyor in Delaware County, ask directly whether they have experience with row home and twin home surveys. The ability to read historical plat records, trace original monument placements, and reconcile older deed descriptions with current field conditions is not a given for every firm. A surveyor who primarily works on rural parcels may not have the specific Delco experience your project requires.

The Delaware County Records System

A competent Delaware County surveyor works routinely with the Delaware County recorder of deeds and the Delaware County GIS portal. The recorder holds historical plats and deed chains that are essential for any boundary retracement. The GIS system provides digital parcel data that helps surveyors orient their field work and identify potential discrepancies before they start measuring.

Properties near the Philadelphia county line present an additional layer of complexity. Some deed chains trace back through Philadelphia records, particularly in communities like Upper Darby that sit adjacent to the city. Ask any surveyor you are considering whether they have experience pulling records from Philadelphia's system and whether that process is something they handle routinely or something they would need to figure out for your project.

Commercial Properties and the Route 1 Corridor

The Route 1 corridor running through Delaware County is a major commercial strip with retail centers, office parks, and mixed-use development. Commercial real estate transactions on Route 1 typically require ALTA/NSPS Land Title Surveys, which are governed by national standards set jointly by the American Land Title Association and the National Society of Professional Surveyors.

ALTA surveys require certification to both the title company and the lender, and they often include a long list of optional items from Table A of the ALTA/NSPS standard. Not every surveying firm has deep ALTA experience. For commercial work in Delco, ask specifically how many ALTA surveys the firm completed in the past two years and whether they have worked with the major title companies operating in the region.

You can browse licensed firms serving the county through the Delaware County surveyor directory and cross-reference their credentials through PELSB before reaching out.

Elevation Certificates and Flood Zones

Delaware County has several flood-prone creek systems, including Darby Creek through Sharon Hill and Collingdale and Ridley Creek in its lower reaches near the Delaware River. Properties in these areas may need elevation certificates for flood insurance purposes. Make sure any surveyor you hire for an elevation certificate is familiar with Delaware County's FEMA flood maps and has completed elevation certificates in the specific watershed or zone relevant to your property. Flood map data is available at the FEMA Flood Map Service Center at msc.fema.gov.

Questions to Ask Before Hiring

When you contact a surveyor, be direct about your project type and ask the following: How many surveys have you completed in Delaware County in the past year? Are you familiar with the specific township or municipality where my property is located? Do you have experience with the type of survey I need, whether that is boundary, ALTA, elevation, or topographic? What is your typical turnaround time and what would a rush timeline cost? Can you provide references from similar projects in Delco?

With seven surveying businesses in the county, you may not have a wide field of choices. But taking the time to screen candidates carefully is worth it. A poorly executed survey can create title problems, delay closings, or fail to hold up if a boundary is ever challenged.

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Browse Delaware County Surveyors

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Frequently Asked Questions

How do I verify a land surveyor's license in Pennsylvania?

Use the PELSB license search at pals.pa.gov. Enter the surveyor's name or license number to confirm their license is active and in good standing. This takes about two minutes and is worth doing before you sign any contract.

Why does Delaware County only have about 7 surveying businesses?

Despite being densely populated, Delaware County is geographically small and is served by firms based both locally and in adjacent Philadelphia and Chester counties. The number of firms with a primary Delaware County base is limited, which makes verifying credentials and asking the right screening questions more important before committing to a surveyor.

What records should a Delaware County surveyor be familiar with?

A surveyor working in Delco should know how to pull records from the Delaware County recorder of deeds, use the Delaware County GIS portal, and cross-reference with Philadelphia records when needed for properties near the county line. Familiarity with the county's older subdivision plats and row home block development patterns is also important.

Do I need a surveyor with ALTA experience for a commercial property on Route 1?

Yes. The Route 1 commercial corridor in Delaware County involves retail centers, multi-tenant properties, and mixed-use developments where lenders and title companies require ALTA/NSPS surveys. Ask specifically whether the surveyor has completed ALTA surveys on Route 1 corridor properties and can certify to both the title company and the lender simultaneously.

Can a land surveyor help with a boundary dispute between row home neighbors?

Yes. A licensed surveyor can research the original plat, retrace the boundary as described in the deed, set monuments if needed, and produce a survey that documents the legal property line. In row home situations, this often involves determining where the party wall sits in relation to the legal boundary, which requires both field measurement and historical record research.