Pennsylvania Survey Guide

Elevation Certificate in Allegheny County, PA

Updated for 2026 · 4 min read · Elevation Certificates

Key takeaway

Elevation certificates in Allegheny County, PA cost $400-$700. Flood zones along the Ohio, Allegheny, and Monongahela rivers affect Pittsburgh

Elevation Certificates in Allegheny County, PA

Pittsburgh sits at the confluence of three major rivers: the Allegheny arriving from the northeast, the Monongahela from the southeast, and the Ohio departing to the west. At The Point, these rivers meet in the heart of the city. All three create extensive floodplain areas that stretch through low-lying neighborhoods along their banks, and all three drain large watersheds that can send river levels surging quickly after significant rainfall events.

For property owners in Allegheny County's flood-prone areas, an elevation certificate is the key document connecting your property's physical elevation to your flood insurance cost.

Flood-Prone Neighborhoods in Allegheny County

FEMA's Flood Insurance Rate Maps for Allegheny County show Zone AE flood areas along all three major rivers and many of their tributaries. The neighborhoods most consistently affected include:

South Side Flats: The flat bottomland east of the Birmingham Bridge along the Monongahela is among Pittsburgh's most flood-exposed residential areas. South Side Flats properties near the river have flooded repeatedly in historic events and many fall in Zone AE on current FEMA maps.

Strip District (lower sections): The lower Strip District between Penn Avenue and the Allegheny River has seen significant commercial and residential redevelopment in recent years. Properties in the lower blocks closest to the river carry flood zone designations that affect financing and insurance.

Millvale: Situated on the Allegheny River just north of Pittsburgh, Millvale has experienced severe flooding from both the Allegheny and Girty's Run. FEMA flood maps show significant Zone AE coverage through much of the borough's lower sections.

Sharpsburg: Like Millvale, Sharpsburg sits along the Allegheny River and has experienced repeated flood events. Lower-elevation properties near the river fall in FEMA flood zones.

Tributaries throughout the county create additional flood zones beyond the main river corridors. Chartiers Creek, Turtle Creek, and other streams have their own Zone AE areas that affect communities like Carnegie, Turtle Creek, and portions of McKeesport.

What an Elevation Certificate Documents

A licensed surveyor visits the property and measures the elevation of the lowest floor above NAVD 88, the national vertical datum. They compare that elevation to the Base Flood Elevation shown on the current FEMA Flood Insurance Rate Map for the property's location. The completed certificate form records:

  • Lowest floor elevation above sea level
  • Base Flood Elevation from the current FIRM panel
  • FEMA flood zone designation
  • Foundation and construction type
  • Attached enclosures or garages below the main floor
  • Flood openings, if any

The flood insurance agent uses this data to calculate your NFIP premium. The lender uses it to confirm that flood insurance coverage is adequate for the property value.

How Elevation Affects Insurance Cost in Pittsburgh

For South Side Flats or Millvale properties sitting right at or below the Base Flood Elevation, flood insurance premiums under the National Flood Insurance Program can be substantial. Properties at river level in historically flood-prone areas face the highest premiums.

However, not every property in a FEMA flood zone sits at or below the BFE. Riverfront redevelopment in the Strip District and South Side often involves properties built above the immediate riverbank on elevated foundations or fill. If your building's lowest floor is above the BFE, even by a foot or two, the premium reduction is significant. An elevation certificate is the only way to establish that relationship accurately.

Property owners who have paid flood insurance for years without an elevation certificate sometimes find they have been rated at a conservative default rate rather than the lower rate their actual elevation warrants. Getting a certificate and providing it to your insurance agent can trigger a retroactive rate review.

Cost in Allegheny County: $400 to $700

Elevation certificates from licensed land surveyors in Allegheny County cost $400 to $700 for most residential properties. Properties with difficult site access, unusual construction, or complex foundation types may run higher. Requests needed quickly for a real estate closing typically carry a rush premium.

With 21 surveying businesses in the county, contacting two or three firms for quotes is practical. Provide your address, parcel number, and the reason you need the certificate (flood insurance, lender requirement, LOMA application) so the surveyor can give you an accurate estimate.

Verifying Surveyor Credentials

All Pennsylvania surveyors completing elevation certificates must hold an active Professional Land Surveyor license from PELSB. Verify at pals.pa.gov before hiring. The Pennsylvania Council of Land Surveyors at pcls.net also lists member firms across the county.

Find licensed Allegheny County surveyors who complete elevation certificates at our Allegheny County directory.

Find a Surveyor

Browse Allegheny County Surveyors

Find licensed land surveyors serving Allegheny County, Pennsylvania. Compare firms, check specialties, and contact directly.

21 licensed surveyors listed
Browse Allegheny County Surveyors →

Frequently Asked Questions

Which Pittsburgh neighborhoods need elevation certificates?

South Side Flats, the lower Strip District, Millvale, and Sharpsburg are among the most flood-prone neighborhoods in Allegheny County due to their low elevation along river banks. Properties in FEMA Zone AE in any of these areas typically require elevation certificates for flood insurance and mortgage financing.

How much does an elevation certificate cost in Allegheny County?

Elevation certificates from licensed land surveyors in Allegheny County typically cost $400 to $700. Properties with complex access or unusual construction may run higher.

Why do the three rivers in Pittsburgh create flood risk?

The Allegheny, Monongahela, and Ohio rivers converge at The Point in downtown Pittsburgh, and all three drain large watersheds. Heavy rainfall upstream causes river levels to rise rapidly in low-lying neighborhoods along all three rivers and their tributaries.

Can I get a Letter of Map Amendment to remove my property from a flood zone?

If your property's elevation is above the Base Flood Elevation but it is mapped in a flood zone, you may qualify for a FEMA Letter of Map Amendment (LOMA). A licensed surveyor can complete the elevation certificate and supporting documentation needed to apply through FEMA.

Who can sign an elevation certificate in Pennsylvania?

Only a licensed Professional Land Surveyor, licensed professional engineer, or licensed architect can complete and sign an elevation certificate. Verify any surveyor's Pennsylvania license at pals.pa.gov.