Concrete sidewalk building in Sunnyvale CA - a walk that sits flat and sheds water
Cracked, lifted or puddled walk out front? We dig it out, pack a firm base and pour a new walk that sits flat.
- Licensed and insured.
- Free in-person estimates.
- Replies within 1 business day.
What goes into building a new concrete sidewalk in Sunnyvale?
Concrete sidewalk building in Sunnyvale means digging out the topsoil and soft spots, packing a firm base and pouring a new slab on it, so you end up with a walk that stays flat, drains and doesn't trip anyone up.
Most calls start with an old walk that's cracked, heaved up by a tree root or holding water by the front door, or with a new path you want from the driveway to the porch. The price moves with the length and width of the walk, whether we're tearing out old concrete first, how much soft dirt has to come out underneath and whether cars cross it, because that stretch needs a heavier build. The schedule turns mostly on what the city asks for before we pour and on the cure afterward, and the written estimate puts your own walk's numbers on paper.
How can you tell your sidewalk needs replacing?
A panel lifted by roots
When one edge of a panel sits higher than the next, usually near a street tree, the roots have pushed up under it. That raised lip catches toes and strollers, and it tends to get taller every season the roots keep growing.
Water sitting on the walk
Puddles that hang around after rain or sprinklers mean the walk has sunk or was poured without enough fall to shed water. That water soaks into the dirt underneath and softens it, so the sinking usually speeds up, and if the walk tips toward the house the water ends up against your foundation.
Cracks that keep widening
Thin hairline cracks are normal in concrete, but a crack you can fit a coin into, or one where one side has dropped, means the ground under it gave way. Patching the top rarely holds for long, because the problem is underneath.
How we handle concrete sidewalk building
I start by finding out where your walk sits compared to the street, since that was my everyday work on a city crew, and I ask about street trees and any spot where cars cross before we lay anything out. Our crew breaks out the old concrete, then digs out topsoil and soft spots until we reach firm ground, because the subgrade, the dirt the slab rests on, has to be packed hard or the walk settles right along with it. We set the forms so water runs off the walk and away from your house, pour in the cooler part of the day when we can so the top doesn't end up weak and dusty, and give it a broom finish, the light ridges that keep shoes from slipping when it's wet. We cut control joints, shallow grooves that give the slab a straight line to crack along instead of a random one, and we keep the new concrete from drying out too fast while it cures. If the budget gets tight, I'll cut back on the finish before I'll skimp on the base, because nobody sees the base on pour day but everybody sees what a bad one does a few years later.
A new walk often leads somewhere that needs the same attention. If it runs to a garage with a sunken or cracked floor, it can make sense to look at garage floor concrete while we're set up, since that floor usually has the same base problem. And if you'd like the walk to be more than plain gray, our decorative concrete work adds color, borders or a pattern on top of the same solid base.
Standard broom-finish walk
This suits most front walks and side paths that only see feet, bikes and the odd wheelbarrow. It's plain gray concrete on a packed base, and it's the most budget-friendly way to get a walk that sits flat and drains.
Walk with a driveway crossing
If cars roll across any part of your walk, that stretch usually needs to be thicker or reinforced with rebar, steel bars set inside the slab that help it carry the weight. Tell us where the cars cross so we can plan that section from the start instead of patching it later.
Get a free estimate for your new sidewalk
Send the form and we'll get back to you within one business day to set up a visit. I come out, look at the walk and write you a free estimate with no obligation.
- Based in
- Sunnyvale, CA 94087
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 7 AM–11 PM
What happens after you call about a sidewalk in Sunnyvale?
Here's how a sidewalk job runs from your first call to the final walk-through, and who's handling each part along the way.
Call and set a visit
Call (669) 348-0343 or send the form, and we'll find a time for me to come out. On site I ask how you use the walk and talk through your choices with you.
Get your written estimate
I write up the work and the price for your walk, so you know the number before anything's decided. Then we check what the city asks for before anything goes on the schedule.
We pour, then walk it together
Our crew does the tear-out, base and pour while I check in on the work. When it's done, we walk the finished sidewalk with you and go over how to look after it.
Why Sunnyvale homeowners call Vertex Sunnyvale Concrete for sidewalks
Trained on a city sidewalk crew
I learned concrete pouring sidewalks and curbs on a city crew, fixing what tree roots and time had broken, and I started this business in Sunnyvale in 2013. That's why I look at your curb, your street tree and where the water goes before we ever talk about finishes.
Licensed and insured, with a guarantee
We're licensed and insured, so you aren't the one carrying the risk while our crew works in front of your house. Every walk we pour is also backed by our satisfaction guarantee.
Our own crew, me on site
The people pouring your walk work for us, and I'm on site checking the base and the joints as the job goes. That matters because once the concrete is down, nobody can go back and see what's under it.
When you're ready, send us a few details about your walk or call (669) 348-0343, and I'll come out and take a look.
Sidewalks, street trees and the city strip in Sunnyvale
A walk out by the street often isn't fully on your side of the line, because the City of Sunnyvale counts its right-of-way from the face of the curb some distance into your property, wider or narrower depending on the size of the street. That changes how we plan the job, so I won't guess at whether your particular sidewalk needs a permit. We check with the city's One-Stop Permit Center at City Hall, which reviews building plans and development projects, before anything goes on the schedule. If your walk calls for a permit, we pull it, handle the paperwork and meet the inspector on site.
Many older Sunnyvale neighborhoods have a strip with the street tree between the curb and the walk, while in newer ones the curb, gutter and sidewalk are one piece, so we plan the edges and joints differently for each. The city plants new street trees in that strip in front of homes, with some exceptions, and the owner has to clear any concrete there first, which is worth knowing before we pour over it. We see both layouts on jobs in Santa Clara and Mountain View too.
Questions about concrete sidewalks in Sunnyvale
Who has to fix the sidewalk in front of my house in Sunnyvale?
Under California law, the owner of a lot that fronts a public street has to keep the sidewalk in a condition that won't endanger people or property. The exception is damage someone else causes while working under a permit or other legal right, so in most cases a lifted or broken frontage walk is yours to take care of.
What is the best way to keep a new concrete sidewalk from cracking?
No method stops concrete from cracking entirely, and wire mesh or other reinforcement placed at the right depth mainly keeps the cracks that do form narrow. The rest comes from a packed base and control joints cut on time, so cracks land in the grooves we chose instead of across the middle of a panel.
How much does a concrete sidewalk cost per square foot in the Bay Area?
A 4-inch concrete slab installed in the Bay Area usually costs about $13 to $18 per square foot, and that's typical slab pricing across the area, not a quote for your walk. Tear-out and base work vary from yard to yard, so your own figure comes from the written estimate.
What license does a contractor need to build a concrete sidewalk in California?
The California Contractors State License Board issues a C-8 Concrete Contractor license, which covers forming, pouring, placing and finishing pavement and flat concrete work. The board requires a license for anyone who builds or alters a structure when labor and materials total $1,000 or more, so ask any contractor you're considering which license they hold.
How long does a new concrete sidewalk take to cure?
General practice is to start curing as soon as the finish is done, either by spraying on a liquid curing compound or by covering the walk with damp burlap kept moist for at least 3 days. Curing is what makes concrete durable and helps it resist cracking, and at the walk-through we'll tell you when it's ready for foot traffic and when it's ready for a car.
Do accessibility rules apply to a new sidewalk in front of my house?
They can, because the U.S. Access Board has published guidelines covering sidewalks and curb ramps in the public right-of-way, which is where a frontage walk often sits. Ask us how they apply to your walk, and we'll go over it when we check with the city on what your project needs.
Other concrete work around your front walk
Garage floor concrete
If your garage floor has sunk, cracked or started shedding dust, we break it out and pour a new slab on a packed base, ready for your car.
Decorative concrete
Color, stamped patterns and scored borders can make a front walk match your patio or house, poured over the same firm, well-packed base as plain concrete.
Cities where we build sidewalks around Sunnyvale
Vertex Sunnyvale Concrete is based in Sunnyvale, CA, and we pour walks across it and the cities around it. The 12 cities listed here, including Cupertino and Campbell, each have their own page, and they aren't the only places we work.
Get a price on your new sidewalk
Have the walk's rough length and width, its distance from the curb and any driveway crossings or street trees in mind when you call, and we can talk through your job on the first call.