Your mailbox is one of the first things people notice about your home. Even though its main job is to hold your letters, this small feature says a lot about your property’s condition and curb appeal. In Coral Gables, if you don’t maintain it properly, constant sun, rain, and humidity can lead to stains, cracks, and even structural damage. However, you don’t need a full rebuild to keep it looking sharp. Just a few simple steps can keep your brick mailbox strong for years.
Don’t wait for small problems to get worse. Contact the top masonry contractor in Coral Gables, FL for expert repair and maintenance.
Best Brick Mailbox Contractor in Coral Gables, FL
Phone: (305) 676-8155
Key Steps to Maintain Your Brick Mailbox
1. Inspect Regularly for Damage
Check your mailbox every two to three months. Look for:
- Loose or missing mortar
- Cracked bricks
- Leaning or tilting
- Rust on any metal components
- Signs of moisture or mold
Materials can deteriorate more quickly than you think due to Florida’s humidity and rainy seasons. Catching issues early makes repairs easier and more affordable.
2. Keep the Surrounding Area Clear
Debris, wet leaves, and soil piled against the base can hold moisture and accelerate deterioration. Make sure that water doesn’t get trapped against the structure by landscaping stones, grass, or mulch. Trim back shrubs or flowers that block airflow or direct rainwater.

3. Clean It the Right Way
A gentle cleaning once or twice a year can make a big difference. Use a soft-bristle brush and mild detergent mixed with water. Avoid high-pressure washers, as they can damage the joints and force water into the cracks.
For stubborn stains, you can use a masonry-safe cleaner. Always test a small area first to avoid discoloration.
4. Repointing Mortar
Mortar is what holds everything together. With time, it can start to crumble or fall out, especially in hot and humid environments like Coral Gables. If you see gaps or loose material, repointing may be needed.
This involves carefully removing damaged mortar and replacing it with new, color-matched material. In order to prevent structural problems, this work should only be done by skilled masonry contractors.
5. Seal for Protection
A breathable masonry sealant can protect the surface from rain, mold, and stains without trapping moisture inside. It helps maintain appearance and slows down weathering. That’s why it is essential to reapply sealants every few years, depending on exposure and weather conditions.
6. Fix Cracks Early
Small cracks might seem harmless, but they can grow quickly, especially during rainy seasons when water freezes and expands inside. If you notice any cracks, even small ones, you should take action. A professional can replace damaged areas or patch it, depending on its size and location.
7. Don’t Ignore Leaning or Shifting
If the mailbox is leaning, soil erosion, a poor foundation, or internal damage could be the main reason. This can eventually collapse, so it’s not just a cosmetic issue. Leaning structures should be assessed by an experienced mason to determine whether reinforcement, foundation repair, or a rebuild is required.
When to Call a Professional
DIY fixes can only go so far. It’s time to hire a professional if your mailbox is severely tilted, has loose bricks, or has large cracks.
Looking to restore your mailbox or upgrade its look?
Coral Gables Masonry Contractors offers expert inspection, repairs, and custom rebuilds. We match new materials to your original design, ensuring a natural, seamless look. Reach out today to schedule a free consultation.
Phone: (305) 676-8155
Frequently Asked Question(s)
How often should I inspect my mailbox for damage?
It’s a good idea to do so every two to three months, especially before and after storm season.
Can I clean my mailbox with a power washer?
No. High-pressure water can damage the mortar. Use a soft brush and mild soap instead.
How long does mortar usually last?
Mortar can last 20–30 years, but Florida’s climate may reduce that due to moisture exposure.
Is sealing necessary?
Yes. A quality masonry sealant helps protect against moisture, mold, and staining.
Can cracks be fixed without rebuilding the whole structure?
Absolutely. Many cracks can be patched or repaired by a skilled mason without a full rebuild.