Q&A
My fence posts keep shifting in my yard near Pittsburg Marina. Can you fix that?
Yes, fence post movement is a common issue here due to soil conditions and seasonal moisture changes. I address this by assessing the soil, using deeper footings or concrete anchors, and ensuring proper drainage around posts. For existing misaligned gates, I can realign the hardware or replace posts as needed to prevent future shifting.
What's the best concrete mix for a driveway in Pittsburg's climate?
For our local climate, which includes hot summers and occasional wet winters, I recommend a mix with a low water-to-cement ratio and added reinforcement like rebar or fiber mesh. This reduces cracking from temperature changes and heavy use. I also ensure proper sub-base preparation and control joints to extend the life of your driveway.
Can you repair a retaining wall that's bulging near my home in the Los Medanos Hills area?
Absolutely. Bulging retaining walls often indicate drainage issues or inadequate reinforcement. I inspect the wall's foundation, drainage system, and soil pressure. Depending on the damage, I may install drainage improvements, add tie-backs, or rebuild sections with reinforced concrete or properly engineered block. I've handled many such repairs in the hills around Pittsburg.
Business Profile
With 20 years of experience in the construction industry, RMJ Concrete in Pittsburg, CA, has built a reputation for handling nearly every aspect of home building and renovation. My specialty lies in foundations, retaining walls, and seismic retrofitting—critical work for homes in our region. I also have 18 years of experience in shoring, leveling buildings, and underpinning support. Beyond structural work, I provide comprehensive services including concrete flatwork, patios, stairs, landings, walkways, and driveways. I handle demolition, rebar installation, and dig footings for new structures. Additionally, I offer fence and gate installation and repair, cripple wall framing, and dry rot repairs. Whether you need interior or exterior wall construction, masonry or concrete repairs, or a new structure built, I bring hands-on expertise to every job. Serving Pittsburg and nearby neighborhoods like the Marina district and areas near Buchanan Field Airport, I focus on quality, durability, and practical solutions for local homeowners.
Key Services
- Retaining wall repair
- Fence repair
- Fence and gate installation
- Walkway construction or installation
- Structural repair
- Driveway construction or installation
Business Location & Hours
| Mon: | 6:00 AM - 6:00 PM |
| Tue: | 6:00 AM - 6:00 PM |
| Wed: | 6:00 AM - 6:00 PM |
| Thu: | 6:00 AM - 6:00 PM |
| Fri: | 6:00 AM - 6:00 PM |
| Sat: | 6:00 AM - 6:00 PM |
| Sun: | Closed |
























