Loading...
Serving San Rafael, CA and surrounding areas. (628) 234-2121
San Rafael Concrete Company is a licensed concrete contractor serving Concord, CA, specializing in concrete parking lot building, driveway replacement, and slab construction for homeowners and property owners across Contra Costa County. We have completed permitted concrete projects throughout Concord since 2023, working on the 1950s and 1960s ranch-style homes that define the city, newer subdivisions near the hills, and commercial properties in need of durable, properly drained paved surfaces.
Concord has a mix of small commercial properties, multi-unit residences, and homeowners converting yard areas to parking pads - all of which need a properly built concrete surface that can handle vehicle loads through hot summers and wet winters. Concord's clay soil and inland heat are the two conditions a parking lot must be designed for from the start. Our concrete parking lot building work includes thorough base preparation for clay conditions, drainage planning that prevents standing water, and permit handling through the City of Concord.
Most Concord homes were built between the 1950s and 1970s, and original concrete driveways from that era are now 40 to 70 years old. The combination of aging concrete, decades of clay soil movement, and Concord summers that regularly exceed 90 degrees means these driveways typically show cracking, shifting, and surface deterioration at roughly the same time across the city. A replacement driveway built on a properly excavated and compacted base will not repeat the problems that ended the original slab's useful life.
Concord summers run hot from June through September - reliably above 90 degrees - which makes a functional back patio one of the most useful outdoor features a home can have. Older homes throughout Concord have original back patios that are cracked, uneven, or drain poorly after the winter rains. A replacement patio built with correct slope and drainage gives you a surface that handles both the dry season heat and the wet season rain without cracking or pooling water.
ADU additions and garage conversions are increasingly common in Concord as homeowners add living space under California law. A new slab on Concord clay soil needs to be built for the specific conditions at your address - the right depth, the right reinforcement, and drainage that keeps water away from the edges of the slab through the wet season. A slab that is designed for actual soil conditions stays level and intact; one that is not will crack and shift within the first few years.
Homes in the hillside neighborhoods east of Concord toward Mount Diablo often have sloped lots that need retaining walls to manage grade changes and prevent erosion. Clay soil saturated from winter rain builds significant lateral pressure against a wall that has no drainage relief, and retaining walls built without gravel backfill and drainage piping will crack or lean over time. Correct drainage at the build stage is the only reliable fix.
Sidewalks in Concord's older downtown neighborhoods - streets near Todos Santos Plaza that were built in the 1940s and 1950s - have been shifted by tree roots and decades of clay soil movement. Sections that have risen more than an inch above an adjacent panel are a trip hazard. Once sidewalk sections have shifted significantly, full replacement is typically more cost-effective than patching, and the City of Concord requires permits for any work that touches the public right-of-way.
Concord is the largest city in Contra Costa County, and the bulk of its housing was built during the postwar suburban expansion of the 1950s through 1970s. Single-story ranch homes are the dominant housing type - stucco-clad, with attached garages and concrete driveways that were poured when the house was new. That means a large share of Concord's concrete flatwork is now between 40 and 70 years old, which is the age range where driveways and patios typically fail all at once rather than one at a time. The clay soil found throughout most of Concord is the underlying cause. It expands when it absorbs the winter rains and contracts when it dries through the hot summer, and that repeated movement stresses any concrete slab from below. A driveway or patio poured on improperly prepared base material in this soil will crack and shift within a few years regardless of how old it is.
The climate compounds the problem. Concord sits inland from the coast and gets significantly hotter than Bay Area cities like Oakland or Berkeley - temperatures regularly reach 90 to 100 degrees from June through September. That heat dries out concrete surfaces faster, causes improper curing on jobs that are not managed carefully, and accelerates the surface wear that leads to spalling and cracking. Winter rainfall of 18 to 20 inches per year, concentrated between November and March, exposes drainage failures and pushes water into cracks and bases. About 55 percent of Concord homes are owner-occupied, which means the city has a large base of homeowners who have a direct stake in maintaining their properties - and who notice when concrete flatwork has reached the point where patching is no longer a realistic solution.
We pull permits for concrete work through the City of Concord Building Division and have completed permitted driveway, parking lot, and slab projects throughout the city since 2023. Concord's permit review and inspection process for concrete work is specific to the city - what is required for the pre-pour review, how drainage needs to be documented, and what the building department expects at close-out are details that contractors who do not work here regularly will not know.
Concord divides into clearly different working environments depending on which part of the city you are in. The older neighborhoods near Todos Santos Plaza in downtown have the oldest housing stock - homes from the 1940s and 1950s on modest lots where original concrete has been through decades of clay soil movement. The mid-city neighborhoods built in the 1960s and 1970s are where the bulk of driveway and patio replacement work happens, since the original flatwork on those streets is all aging out in the same decade. Newer subdivisions near Concord Hills on the eastern edge of the city, built in the 1990s and 2000s, have homes that are reaching the age of first-round maintenance and repairs.
Concord connects to the wider East Bay by BART and Interstate 680. Homeowners in Berkeley to the west have different housing stock - older and denser - but the same demand for quality concrete work, and we serve both cities. Homeowners in Fairfield to the northeast face nearly identical clay soil conditions and we work across both markets for slab, driveway, and foundation projects.
We respond to all Concord inquiries within 1 business day. A call or form submission gives us your address, project type, and rough scope. We do not quote concrete work in Concord without seeing the site - soil conditions, drainage, and lot configuration vary across the city and none of that is visible from a phone call.
We visit your property to assess the soil, existing surface, and drainage situation. For parking lot and driveway work in Concord, base preparation is where cost is either controlled or lost - clay soil sites need more excavation and compaction than more stable ground. The written estimate covers all phases with no open-ended items. We tell you up front if your project needs additional drainage work to meet city requirements.
We submit the permit application to the City of Concord and handle all follow-up. Standard residential permit processing typically runs two to three weeks. We schedule the pour during Concord's dry season - May through October is the most reliable window - so curing is not disrupted by winter rain or the surface deterioration that comes from pouring in wet conditions.
The crew handles excavation, base compaction, forming, the pour, and finishing. The City of Concord inspector reviews the work and issues final sign-off after the concrete cures. We coordinate the inspection on your behalf - you do not need to contact the building department yourself. After sign-off, we walk you through the finished surface and leave you with care instructions.
We serve homeowners throughout Concord - from the ranch homes near downtown to the newer neighborhoods toward the hills. Call us or fill out the contact form and we will respond within 1 business day.
(628) 234-2121Concord is the largest city in Contra Costa County, with about 130,000 residents and a strong owner-occupancy rate of around 55 percent. The city grew quickly during the postwar decades, and single-story ranch homes built in the 1950s through 1970s are the dominant housing type - most on modest lots with attached garages, concrete driveways, and front and back yards. Concord has two BART stations that connect residents to San Francisco and Oakland, making it a practical base for commuters who want suburban space at a lower cost than closer-in East Bay cities. Median home values sit around $600,000, which is meaningful for owners who have spent decades in the same house and treat maintenance as an investment rather than an expense.
The heart of downtown Concord is Todos Santos Plaza, a tree-lined public square surrounded by restaurants and shops where locals gather for farmers markets and community events. The Concord Pavilion is one of the most recognized outdoor amphitheaters in the East Bay, and Mount Diablo rises visibly above the city to the east - a landmark that most Concord residents can see from their street. Homeowners in nearby Berkeley and Fairfield are also within our service area for concrete work throughout the East Bay and Solano County.
Durable, professionally poured concrete driveways built to last for decades.
Learn moreCustom concrete patios designed to extend your outdoor living space.
Learn moreDecorative stamped concrete that replicates stone, brick, or tile patterns.
Learn moreSafe, smooth sidewalks installed to code for residential and commercial properties.
Learn moreSmooth, reinforced concrete garage floors built to withstand heavy use.
Learn moreStained and polished decorative concrete finishes for interior and exterior surfaces.
Learn moreStructurally sound retaining walls that hold back soil and control erosion.
Learn morePrecision concrete floor installations for homes, businesses, and warehouses.
Learn moreSlip-resistant, attractive concrete pool decks built for safety and style.
Learn moreCustom concrete steps and staircases crafted for safety and curb appeal.
Learn moreSolid slab foundations engineered for long-term structural stability.
Learn moreComplete foundation installation services for new construction projects.
Learn moreCommercial and residential concrete parking lots built to handle heavy traffic.
Learn moreProperly sized and poured concrete footings for stable building foundations.
Learn moreExpert foundation raising to level structures and correct settling issues.
Learn moreServing these cities and communities.
Call San Rafael Concrete Company or submit a request online - we cover all of Concord and respond to every inquiry within 1 business day.