Water damage restoration in Covington and Mandeville

Covington's early trade came up the Bogue Falaya by boat, using the Tchefuncte to reach Lake Pontchartrain. ^[1] Those same waterways drain a broad area, and after prolonged rain they can rise and spread into low ground near their banks. Properties close to either river should know their flood zone and elevation, while those a little further back may simply have to deal with poor yard drainage.

Mandeville's concern is mostly the lake. The seawall offers some protection, but hurricane surge has overtopped it: Katrina flooded hundreds of buildings there, and Isaac and Ida brought further surges. ^[2] Water driven in by wind comes in quickly and with force, carrying debris and silt into the older lakefront blocks.

The encyclopedia entry on Mandeville notes that building-elevation and floodplain regulations sharply reduced repeat losses after those storms. ^[2] In practice, a raised home by the lake may ride out surge that would have flooded its predecessor, though everything beneath the floor can still get wet.

Mandeville's long history as a resort has left older structures near the lake, such as the Dew Drop Social and Benevolent Hall, built in 1895 and now on the National Register. ^[2] Older wood-framed houses often sit on piers, have plaster or board walls and may contain lead paint. ^[3] Drying them too aggressively can crack old materials, so ask how your contractor adjusts for them.

Local historic review may apply to some exterior changes, so check before replacing original features. Interior drying generally comes first, and it is reasonable to keep samples or pictures of original trim in case it needs to be matched later.

Covington and Mandeville are separate cities, and much of the surrounding land is unincorporated St. Tammany Parish. ^[1] Madisonville and Abita Springs have their own governments too. Your address determines which office handles permits and floodplain questions, so confirm this before major repair work.

If a home in a mapped flood zone has been substantially damaged, rules may require it to meet current elevation standards when repaired. Ask early, since that decision can shape everything that follows.

East along the shore is Slidell. The Causeway, whose first span opened in 1956, ^[2] links Mandeville to Metairie and Kenner, and New Orleans lies beyond.

Covington was founded as Wharton in 1813, renamed in 1816 and got its railroad in 1888, ^[1] so its core has houses and commercial buildings far older than the subdivisions spreading out around it. The population grew from 8,765 in 2010 to 11,564 in 2020, ^[1] and much of the surrounding parish has grown too. A house's age therefore tells you a good deal about what you may find when a wall is opened.

Older homes may have raised floors, old wood siding and plumbing that has been altered over the decades. In these, a leak often shows itself at the floor first, because water drops through into the space below. Newer slab homes behave quite differently: water spreads outward along the floor and baseboards, and wet carpet may be the first thing you notice. Tell the contractor which kind you have, because it changes the equipment and the order of work.

River proximity should be judged by looking at maps and not by distance alone. A home a good way from the Bogue Falaya can still sit in a low swale that collects runoff, while one much nearer may stand on a slight rise. Your elevation certificate, if you have one, gives a more useful answer than a look from the street.

Bernard de Marigny laid out Mandeville in 1834 and marketed it as a lake resort, and it was incorporated in 1840. ^[2] That history explains why its oldest buildings cluster near the water, the very blocks most exposed to surge. The land between Bayou Castine and the lake is low, and at 7 feet of listed elevation there is little margin when wind piles the lake against the shore. ^[2]

North of the old town, newer neighborhoods run toward Interstate 12. Those areas have their own concerns, including local drainage after heavy rain and tree damage in storms, and they may never see surge. Two households in the same city can therefore need quite different insurance and preparation. If you moved here from elsewhere in town, do not assume that what you learned at your old address still applies.

Elevated lakefront homes deserve a close look after any surge. Stairs, breakaway walls, utilities on the outside of the house and anything stored below can all be damaged while the living area stays dry. That can make a claim look minor from indoors when significant repairs are needed underneath. Walk around the outside and below the floor, once it is safe, before you decide the house came through unscathed.

Large trees are part of the Northshore's appeal; the Seven Sisters Oak in Mandeville is described as the largest certified southern live oak. ^[2] Trees also change the kind of water damage people see. A limb can punch through roof decking in a spot that is hard to see from the ground, and the rain that follows may travel some distance along rafters before it marks a ceiling.

After a storm, look in the attic with a flashlight before assuming the roof held. Daylight through the deck, wet insulation and dark streaks on rafters are all signs. Do not climb on a damaged roof or try to remove a tree resting on the house, because the weight may be holding things in place. Have a qualified tree service and roofer deal with it, and photograph it all first. State guidance treats wind or tree damage that lets rain in as generally a homeowners matter, ^[4] and it advises making reasonable temporary repairs while keeping the receipts.

Pine woods and shade keep houses cool but also slow evaporation, and crawlspaces under shaded homes can stay damp for long periods. If you live in a raised home among trees, it is worth checking vents and vapor barriers even when nothing has gone wrong. After a leak, the crawlspace drying page explains how the area below the floor is handled.

Slab homes in newer subdivisions usually have vinyl plank or tile over concrete. Water can lie beneath those floors with no surface sign, and baseboards may swell first. Removing one row of flooring along the wet wall often tells you what is going on. If readings stay high, the flooring may need to come up for the slab to dry, as the structural drying page describes. A musty smell after several dry days is a reason to investigate, not to reach for an air freshener.

Madisonville and Abita Springs have their own local governments, and each has its own relationship with water. The Tchefuncte River, which runs on toward Lake Pontchartrain, ^[7] shapes low ground in that part of the parish. A 1909 to 1918 interurban line once linked the Mandeville lakefront with Abita Springs and Covington, ^[2] which is a reminder that these places have long been connected but remain separate towns.

For you, the practical meaning is simple: confirm which town or parish office handles your property before any permit application or floodplain question, and give the contractor your exact address so coverage can be checked on the call. Small-town offices may be easy to reach directly, and asking early is usually welcome. A short call can save you redoing work that needed review.

Back to all of Louisiana. Nearby pages: Baton Rouge, Denham Springs and Walker, Metairie and Kenner, New Orleans, Shreveport and Bossier City, Slidell.

Related help for Covington and Mandeville: water extraction, structural drying, sewage backup cleanup, fire damage restoration and smoke damage cleanup. First time dealing with this? Read the first hours after water damage.