St. Augustine Stucco Repair Services
Stucco is one of the most common exterior finishes on homes and businesses in St. Augustine, and for good reason. It holds up well in Florida’s humidity and salt air, but no stucco surface is immune to cracking, bulging, or moisture damage over time. If you notice cracks wider than 1/16 of an inch, soft spots, or discoloration, exterior stucco repair is worth scheduling before the damage spreads. This page covers what typically causes stucco problems in St. Augustine, how residential stucco repair services address them, what the process looks like, and when a crack needs more than a simple patch.
What Causes Stucco Damage in St. Augustine Homes?
St. Augustine’s coastal climate puts extra strain on stucco. High humidity and salt air speed up wear, and moisture intrusion, not freeze and thaw cycles, is usually the underlying issue here. Most stucco cracking and damage traces back to a handful of causes:
- Improper mix proportions or insufficient mixing during the original installation
- House settling and normal shrinkage as a structure cures over its first year
- Seasonal expansion and contraction from Florida’s heat and humidity swings
- Physical damage from woodpecker activity, storms, or impact
A crack wider than 1/16 of an inch is generally the point where it needs professional attention. Below that, most cracks are cosmetic. Above it, water can work its way behind the stucco and cause damage you cannot see from the outside.
How Stucco Damage Gets Repaired
Assessing the Damage
Every repair starts with an inspection to measure the crack, check for moisture behind the surface, and determine whether the substrate (the sheathing and weather-resistant barrier under the stucco) has been compromised. This step decides whether the fix is cosmetic or structural.
Patching Surface Cracks
For cracks under about 1/4 inch with no water intrusion, the loose or damaged stucco is removed, the area is cleaned, and a matching patch is applied and textured to blend with the surrounding wall. This is the most common repair on St. Augustine homes.
Addressing Moisture and Mold First
If moisture has already gotten behind the stucco, sealing the crack before drying it out traps the problem instead of solving it. Trapped moisture, rot, or mold has to be removed and the area dried before a permanent patch goes on.
Larger Section Repair
When damage covers a wider area, such as after storm impact or long-term water intrusion, the affected section is cut out down to the sheathing, the substrate is repaired or replaced, and new stucco is installed and matched to the existing texture and color.
Can You Repair a Stucco Crack Yourself?
A hardware store elastomeric caulk can hold up on a single hairline crack with no moisture behind it, and there is nothing wrong with trying that first on a small cosmetic crack. It will not match the surrounding texture exactly, and it does nothing for a crack caused by trapped moisture or a settling foundation. If the same crack reopens after a DIY fix, or if there is more than one crack on the wall, that is a sign the underlying cause needs a professional look.
The Repair Process, Step by Step
1. Call or request a free on-site inspection and estimate for the stucco damage.
2. A technician inspects the crack or damaged area and checks for moisture behind the surface.
3. You get a written estimate outlining the scope of work and the price.
4. Once you approve the estimate, a start date is scheduled around your availability.
5. The repair crew completes the patch, texture match, and any needed drying or substrate work.
6. A final walkthrough confirms the finish matches the surrounding stucco before the job is closed out.
When Stucco Repair Is Not the Right Fix
Not every stucco problem is solved with a patch. If moisture has been trapped behind the stucco long enough to rot the wood sheathing or studs underneath, patching the surface without repairing the wood first just hides a bigger problem. In that case, wood repair has to happen before any new stucco goes on. Extensive cracking across a large section of wall, especially on an older home, sometimes points to a bigger issue with the original installation or the substrate, and a full section replacement is a more lasting fix than repeated patching. If a home has widespread bulging, soft spots that give when pressed, or stucco that sounds hollow when tapped in multiple areas, a full inspection is worth getting rather than treating individual cracks one at a time.
Frequently Asked Questions
Why does stucco crack in St. Augustine?
Cracking is usually caused by the original installation, house settling, seasonal temperature swings, or physical impact. St. Augustine’s humidity and salt air make small cracks worth watching, since moisture works its way in faster here than in drier climates.
When should I worry about a stucco crack?
A good rule of thumb is 1/16 of an inch. Cracks below that are typically cosmetic. Anything wider should be checked before water gets behind the surface.
How long does a stucco repair last?
A properly done patch should last as long as the surrounding stucco, often decades, provided the home is repainted and recaulked every 4 to 5 years and cracks are addressed while they are still small.
What is actually under my stucco?
Sheathing, usually wood, cement board, or gypsum, sits under the stucco with a weather-resistant barrier between the two to keep moisture out. Damage to that barrier is often what leads to bigger repairs down the road.
How much does stucco repair cost in St. Augustine?
Minor crack repairs typically run $300 to $800. Larger patch jobs or repairs involving moisture remediation can run $1,500 to $5,000 or more, depending on the extent of the damage. A free on-site estimate gives you an exact number for your specific repair.
Do you repair both small cracks and larger stucco damage?
Yes. Repairs range from small hairline crack patches to full section replacement, along with any wood or sheathing repair needed underneath.
Why Choose MXL Wall Systems for Stucco Repair in St. Augustine, FL
• 15+ years of stucco repair, installation, and restoration experience in North Florida
• Reviewed and recommended on Google, Houzz, HomeAdvisor, BuildZoom, Porch, and Thumbtack
• Straightforward process: free quote, your approval, then the work begins
• Serves St. Augustine, Jacksonville, and surrounding North Florida communities
• Handles wood and sheathing repair when stucco damage has spread to the structure underneath
MXL Wall Systems repairs and restores stucco for homeowners and businesses throughout St. Augustine and the surrounding North Florida area. The same technicians handle everything from a single hairline crack to a full section replacement, along with any wood repair the job requires.
What Our Clients Say
We just recently had stucco repairs and our entire house painted; my wife and I are very pleased with the result of the entire project. Especially that the painting was completed in one day!! Very good pricing, also. Thank you Michael Jimenez and team!
Donald “Don” Smitha
They did an excellent job and were very professional. I recommend them highly.
Charles Stevens
Had a great experience with Michael and MXL. Came out same day to assess the project and Michael was able to provide solid recommendations on the best way to repair and skim coat two old cottages. Easy communication the whole time, work was completed on schedule and the crew picked up after themselves. Thanks for the great work.
Cabe Nolan
I was very impressed with these guys and would definitely use them again in the future!
Zachary Mason
Get a Free Stucco Repair Estimate
Call (904) 328-6293 or email estimates@mxlwalls.com to schedule an inspection.