Plaquemine is the Iberville Parish seat, on the west bank of the Mississippi River south of Port Allen, and home of the Plaquemine Lock State Historic Site. Its housing is a blend: older homes near the historic downtown, with newer construction alongside.
That blend is worth taking seriously when something in the house starts to move. A homeowner in an older downtown house and one in a newer build may both call about a crack over a doorway, but the evaluation, the scope, and the quote for each are likely to look nothing alike.
Older downtown homes
Older housing is where raised construction is most likely to turn up. For the metro as a whole, the rule of thumb is short: Pre-1960s housing stock is often pier-and-beam. On a raised house, the signs of trouble are usually felt underfoot before they are seen: floors that bounce or slope, doors that drag, and gaps opening at baseboards.
The repair for that kind of house happens in the crawlspace — re-shimming, resetting or adding piers, and replacing sills or beams that have rotted. Moisture under the house is often part of why the wood failed, so it belongs in the plan too. The pier-and-beam repair page describes what a crawlspace inspection should cover.
An older house may also carry a history of earlier fixes. Previous shims, patched cracks, or replaced boards are clues to how the house has moved over time, so tell the specialist about anything you know was done before you owned it.
Questions worth asking about an older house
- Is the whole house raised, or is part of it on a slab from a later addition?
- Which piers are sound, which need resetting, and where are new ones needed?
- How much sill or beam wood is being replaced, measured in linear feet?
- If more rot is found once boards are opened, how will that be priced?
- What is the moisture plan for the crawlspace, so the new wood stays dry?
Clear answers to those five questions tell you more about a bid than its total does.
Newer construction
Many newer houses in and around Plaquemine are slab-on-grade. When a slab settles, the usual structural fix is piers installed beneath it and a controlled lift back toward level. The foundation piering page explains the common pier types and what a pier plan on a quote should spell out — the count, the locations, the type, and what happens if a pier has to go deeper than planned.
The cause comes before the cure
Whether the house is old or new, structural work alone does not stop movement if water keeps collecting against the foundation or under the floor. A sound evaluation answers two questions in writing: what moved, and why. If a quote answers only the first, ask about the second. The drainage and moisture correction page covers gutters, grading, drains, and crawlspace moisture.
Permits in Plaquemine and Iberville Parish
Permits. Plaquemine is in Iberville Parish. Before work starts, check with the parish or city permit office — for the parish, the Iberville Parish permit office — and ask the specialist who handles any permit.
A quote you can actually compare
Ask for the work to be itemized on four separate lines, each with its own price:
- 1Evaluation findingsWhat was measured and found — elevation readings, crack locations, construction type, likely cause.
- 2Drainage / moisture correctionGutters, grading, downspouts, or crawlspace moisture work that addresses why the soil is moving.
- 3Structural repairPiers, shims, or sill and beam replacement — with counts, locations, and depths stated.
- 4Finish / cosmeticDrywall, brick, trim, and door adjustments after the house moves — priced on its own line.
With those lines in hand, a second opinion becomes useful: you can see exactly where two specialists agree and where one plans more piers, more wood replacement, or more drainage work than the other.
Published cost ranges
Published ranges from Louisiana foundation companies put house leveling at roughly $3,000 to $15,000 and piering at roughly $4,000 to $15,000. They are published figures, not quotes. The foundation repair cost guide explains what moves a job up or down. To start with an in-person evaluation, call (225) 535-8057 or send a request.
Nearby service areas: Port Allen and Gonzales. See every service area by parish.