Foundation repair
When a crack runs through your foundation or a door starts sticking, we find out whether it's old settling or movement that's still going before we repair anything.
Mastercraft Antioch Masonry and Concrete is a masonry contractor based in Antioch that works in Rio Vista, repairing brick, chimneys and foundations and building retaining walls, block walls, walkways, paver driveways and outdoor fireplaces.

Mastercraft Antioch Masonry and Concrete handles masonry work in Rio Vista, from patching cracked brick and repointing worn mortar to rebuilding chimneys and building new retaining walls, block walls, walkways and outdoor fireplaces. I look at every job first, so you hear what your wall or chimney really needs before we talk about anything bigger.
We're a masonry contractor in Antioch, CA, and Rio Vista is at the far edge of the cities we work in, so we plan the drive and bring what the job needs. The calls we get here look a lot like what we see in Oakley: loose mortar on brick chimneys, cracked garden walls and planters, settled paths, and yards that need a retaining wall.
Most cracks in brick or block have a cause, usually water getting in or the ground moving under the footing. So before I price a repair, I look at where the water goes and what the wall sits on. If a few joints need fresh mortar, that's what I'll tell you, and if a wall has to come down and be rebuilt with drainage, I'll show you why.
When a crack runs through your foundation or a door starts sticking, we find out whether it's old settling or movement that's still going before we repair anything.
Loose bricks, crumbling mortar or a chimney that's started to lean get repaired from sound brick out, so the fix lasts instead of hiding the problem.
When the mortar joints have worn back but the brick still looks good, we grind out the old mortar and refill the joints with new mortar matched to your brick.
Cracked, flaking or loose bricks in a wall, step or planter get cut out and replaced one at a time, so you don't pay to rebuild what's still solid.
A paver driveway is set on a packed base with edging that holds it, so it stays flat under your car and pieces can be lifted and reset later.
If a slope is crowding your patio or an old wall is leaning, we build a retaining wall with drainage behind it so water drains out instead of pushing.
Older brick and stone that's stained, worn or badly patched over the years can be cleaned, repointed and repaired so it looks right and holds together again.
We build fireplaces inside the house and out on the patio, with the firebox and chimney laid up in masonry made to take the heat of a real fire.
Stone veneer gives a wall, chimney or column the look of stone without its full weight, and it holds up when the surface behind it is prepped right.
Block walls make a solid property line or privacy wall, and we set them on a poured footing with steel inside so they stay straight for years.
For an addition, a garage or a crawlspace, we lay foundation block walls on a poured footing so the structure above has a level, solid base to sit on.
We build the block or brick base for a grill, counter and bar, then finish it in stone, brick or stucco to match your house and patio.
A walkway in brick, pavers, stone or concrete gets a packed base and a slight slope, so rain runs off instead of pooling by your front door.
New brick garden walls, planters and short screen walls are laid on a footing with the joints tooled tight, so they keep their shape and shed water.
Natural stone walls, steps, columns and planters are laid by hand, fitting each stone so the work is solid and looks like it belongs in your yard.
When only a few joints have cracked or washed out, pointing fills those joints with fresh mortar, which is often all a wall needs and costs far less.
We reply to every call and form within one business day, and most of the time it's me getting back to you. I'll set a time to come out to your Rio Vista property myself, look at the job and give you a free written estimate that spells out what we'll do and what we won't. There's no obligation and no pressure to book.
(925) 503-1025If you want an outdoor fireplace or fire pit built to burn wood, the City of Rio Vista's Building Department has to approve it, so that approval sets the start date and we don't start building until it's in. For other masonry, whether you need a permit depends on the job, and we check with the city before work starts. When a job needs one, we pull it and line up the inspections.
Before you hire anyone, check that they hold a California contractor license, and the FAQ below covers when the state requires one. We're licensed and insured, and we handle a Rio Vista job the same way we handle one in Clayton or Brentwood, with the same crew and the same kind of written estimate.
What moves the price is how much old masonry has to come out, how big the work is and the material you choose, and the schedule mostly turns on any approval and how long new mortar needs to cure. Every job is different, so you get your own figure in the written estimate, and the FAQ goes into more detail.
I started out as a helper on a small masonry crew, mixing mortar and hauling block long before anyone let me lay a brick, and I opened this business in Antioch in 2023. I come out to look at every Rio Vista job myself, and I'm on site with our crew when the work gets done, so the person who priced it is the one watching it get built.
When a wall or path fails, I'd rather fix why it failed than cover it up, and I'll tell you straight when the honest answer is a smaller job, like pointing a few bad joints instead of a rebuild. We back the work with satisfaction guaranteed on every job. To get started, call (925) 503-1025 or fill out our form and tell me what you're seeing.
Long dry summers, a steady wind off the Delta and the city's own building code changes all shape how we lay mortar, build walls and set footings in Rio Vista.
Rio Vista summers are very hot and dry, with little or no rain from May to October and low humidity most of that time. That's hard on fresh mortar and concrete, because they need water to cure and dry heat pulls it out too fast. In summer we start early, keep new work damp and covered, and avoid laying brick in the worst afternoon heat, so the joints cure strong.
The Delta Breeze is the steady wind that comes in through the Carquinez Strait, and it's a regular part of life in Rio Vista. It can make a fire harder to fight and burn hotter, which matters when you want an outdoor fireplace or fire pit near the house. Tall freestanding walls and chimney tops take that wind too, so we build them to stand up to it.
Rio Vista keeps its own changes to the state building codes for high wind, earthquakes and soil stability, and they touch structural requirements, fire safety and building materials. For masonry, that mostly comes down to what's under and inside a wall. We size footings to the ground we find, put steel in block walls and build drainage behind retaining walls so they stay put.
Years of dry summer heat and wind wear down the mortar in brick joints, and once a joint opens, the winter rain gets in and starts working bricks loose. That's why we look at the joints on a chimney or garden wall before anything else. Catching it while it's still a pointing job usually costs a lot less than rebuilding the top of a chimney later.
Yes, in most cases. The state licensing board requires a license on any job that needs a building permit, uses any additional workers, or adds up to $1,000 or more in labor and materials. A bigger job can't be broken into smaller contracts to stay under that amount. Ask for a contractor's license before you sign anything.
Under the city's fire code, the fire has to be contained in a firebox with a chimney attached and a spark arrestor, a screen that catches embers. It also needs the city approval we covered above before we build it. We lay up the firebox and chimney in masonry and plan the spark arrestor in from the start.
No. The city's fire code bans burning trash, household debris, construction material, treated lumber or yard waste at homes. An outdoor fireplace we build is made for burning wood, so clippings and leftover lumber from a project need to be hauled away instead of thrown on the fire.
Rio Vista builds to the current California building codes, including the residential, existing building and fire codes, along with the city's own changes for wind, earthquakes and soil covered above. When your job needs a permit, the work gets inspected against those codes, and we build to them from the footing up.
The price comes mostly from how much old work comes out, how big and tall the job is and the material you pick. Tearing out a failed wall adds labor, a tall chimney needs scaffolding, natural stone takes longer to lay than block, and a retaining wall needs footing and drainage a garden wall doesn't. A pointing repair is often less than people expect.
Most of the time is set by the size of the job and anything that has to be approved first, like an outdoor wood-burning fireplace. Mortar and concrete also need time to cure before we load them or backfill against them. I'll lay out the order of the work and what we're waiting on when I give you the estimate.
Clear a path to the wall, chimney or spot you want built so I can see the base and the joints up close. If you know when a crack showed up or whether it's grown, tell me, and point out your property line if a new wall goes near it. That's usually all I need to tell you what the job really needs.
Small cracks in brick and mortar usually grow once the winter rain works into them, so call (925) 503-1025 or send us the details while it's still a small fix.