Foundation installation in Tustin CA - a solid base built to the approved plans
Building a new home or addition and need the base done right? We build it to your engineer's plans and the city's review.
Grading and site prep
We dig out and pack the ground the foundation sits on.
Built to your plans
We follow the drawings from your architect or engineer.
Forms, steel and pour
Forms, steel and concrete go in the way the plans call for.
City review and inspections
We plan our work around the city's plan check and inspections.
What goes into a new foundation in Tustin?
Foundation installation in Tustin is the grading and concrete work that gives a new home, addition or small building its ground-supported base, built to plans the city reviews for structural strength and earthquake safety.
Most foundation calls we get are for a new house, an addition or a rebuild, and some come from small building owners planning a parking lot as well. We work from the plans your architect or engineer prepares, and we build our schedule around Tustin's plan review and inspections instead of rushing ahead of them.
The price moves with the size of the footprint, how much grading the lot needs, the slab type and steel in the plans, and how easily trucks reach the site. The schedule turns mostly on design and review, since many projects need plans from a licensed architect or engineer first. Your written estimate spells out what's included.
- Ground dug out and packed firm
- Work matched to the approved plans
- Drainage checked before anything is poured
- A clear explanation of each choice
When do you need a new foundation built?
Most people look into foundation installation when a new house, an addition or a rebuild moves from an idea to drawings on paper.
Plans for a new home
You've bought a lot or cleared one, and the house design is under way. The foundation is the first thing built.
Adding onto your house
A room addition needs its own base tied to the house, set to the depth your engineer's plans call for.
A detached garage or unit
A new garage, workshop or backyard unit needs a real foundation, not a patio slab poured a little thicker.
Rebuilding after a teardown
When an older house comes down, the old base usually comes out too, and the new plans set what replaces it.
Plans approved, no builder yet
Your drawings are back from the city or nearly there, and you need a crew that will build to them.
A sloped or uneven lot
A lot that falls away or sits below the street needs grading and drainage planned before any forms go in.
Ask for your foundation estimate
Send your project address and any plans you have. We reply within one business day to book your free on-site estimate, with no obligation.
What I look at on a foundation visit
Before I suggest anything, I go over your plans, the ground, the drainage and the access, because those decide how the foundation is built and what it costs.
Your plans and engineering
I read the drawings for slab type, concrete footings and rebar, the steel inside the concrete, so the estimate matches the plans.
The subgrade and soil
I check the subgrade, the dirt the foundation sits on, for soft spots and loose fill. It's hidden once we pour, so it's the last place I'd suggest cutting.
Drainage around the pad
I look at where water runs across the lot, because a pad that collects runoff can soften the ground beneath it.
Access for trucks
I see how a concrete truck or pump will reach the forms, since tight access changes the equipment and the plan for the day.
How a foundation job runs with us
We plan a foundation job around your designer's drawings and the city's review, so you know what's happening before each stage instead of finding out after.
Call and site visit
We set a time for me to come out, look over the lot and your plans, and hear what you have in mind.
Your written estimate
I send a written estimate that spells out what's included, and the decision is yours to make in your own time.
Permit and city review
We help with the permit application. Plans the city can't clear at the counter generally come back within 10 working days, and resubmittals within 5.
Grading and the pour
We prepare the ground, set forms and steel and pour, with concrete deliveries and noisy work kept to the city's construction hours.
The walk-through
We walk the finished foundation with you and answer your questions, and we keep in touch the whole way so you know what's next.
Why Tustin homeowners call Custom Tustin Concrete Company for foundations
You can count on care with the parts nobody sees once the concrete is in, the ground, the drainage and the steel, and on a plain explanation of every choice.
I see every job myself
I look at every job in person and write the estimate, then check in with our finishers and laborers while the work is underway.
In business since 2020
Before opening, I ran an equipment rental business and learned the trade working alongside the concrete crews who rented from us.
Fully licensed and insured
We're fully licensed and insured for the foundation work we take on, and you're welcome to ask about either during my visit.
Each choice explained, then yours
I lay out each option with its reason and leave the decision to you. Call (714) 361-0137 or send the form to start.
Foundation installation in Tustin and nearby cities
In Tustin, plans have to be submitted to the City of Tustin and reviewed before any grading or building work starts, and the city checks them for structural strength and earthquake safety. We help with the application and work with the city's office, and if we're unsure what applies, we ask before work begins.
The county's building official places most of Orange County in Seismic Design Category D and notes expansive soil, the kind that swells when wet and shrinks as it dries, in some areas. On lots the state maps as a Seismic Hazard Zone, weak ground is likely below, so grading needs proper precautions. We're based in Tustin and also work in Santa Ana, Irvine and other cities nearby.
Planning a new foundation in Tustin or a nearby city?
(714) 361-0137Foundation questions we hear
How much does foundation installation cost in Tustin?
The cost of a foundation in Tustin is set by your plans and your lot, so I give a figure only after seeing both. A post-tensioned slab, deeper footings or a sloped lot that needs more grading usually push the price up, while a flat lot with easy truck access keeps it simpler. Call (714) 361-0137 to set up a visit.
Does a foundation contractor need a license in California?
Yes, a contractor building a foundation in California almost always needs a state license. The Contractors State License Board licenses anyone who builds or alters structures, and a license is required when the job needs a building permit, uses any other workers, or costs $1,000 or more in labor and materials. Ask any contractor you're considering whether they hold one.
What is the best foundation for soil that shrinks and swells?
A post-tensioned slab is worth asking about, since the Post-Tensioning Institute, a trade group, calls it a cost-efficient, high-performance foundation for homes on shrink-swell soil. Post-tensioned means steel cables inside the slab are pulled tight after the pour. Your engineer decides what fits your lot, and with expansive soil in parts of the county, it's a fair question to raise early.
Can I speed up plan check for a new foundation in Tustin?
Yes, Tustin lets you request an expedited plan check, which gets a faster response for a slightly higher fee. It suits owners on a tight timeline who accept the small added cost, and I'm glad to talk through whether it makes sense for your start date.
How do I schedule a foundation inspection in Tustin?
Inspections are requested by calling the city's inspection line at 714-573-3141 one day ahead and leaving the permit number, the project address and a contact person's name. Building Division inspectors check the work against the approved plans at several stages, not just at the end, so we build those visits into our schedule. For a question about your plans, the city's Building Technicians take calls at 714-573-3130 during business hours.
What causes a new concrete foundation to crack?
Most early cracking comes from ground that was raked level instead of dug out and packed, water collecting at the edges, or concrete that dried too fast in the heat. We pack the subgrade, check where the water goes, avoid pouring in midday heat and give the concrete its curing time, the wait while it hardens, before loading it.
Plan your Tustin foundation with us
If your architect or engineer is still drawing, a call now lets me look at the lot before the plans go to the city.