New concrete sidewalk and curb at the foot of finished stucco retaining walls and a paver stairway on a street corner.

Concrete Contractor in El Cajon — Driveways, Patios, Slabs and Footings

Q: Do I need a permit to replace my driveway in El Cajon?

Not a building permit for the part on your lot — driveways no more than 30 inches above grade are exempt under CBC §105.2. If the work includes the apron, sidewalk or curb, you need an encroachment permit from the City’s Engineering Services first (or County DPW in unincorporated areas). We handle that application.

Q: Why does concrete crack so much in El Cajon?

Clay subsoil that holds water, seasonal swelling on the west hillside, and heat that dries slabs before they cure. All concrete shrinks; joints every 24–36 times the thickness, a good base, fall away from the house and a week of moist curing keep the cracks in the joints.

Q: How thick should a driveway be?

Four inches is a common residential minimum, and 5 inches or more is recommended for heavier vehicles (Fixr’s benchmark driveway is 5 inches). On expansive clay we often go thicker with reinforcement — the soil decides, and that’s part of the site visit.

Q: When can I drive on my new driveway?

Light foot traffic after a day or so, cars typically after about a week, and heavy vehicles later. Strength is specified at 28 days; we give you dates for your pour based on the mix and the weather.

Q: Can you pour in an El Cajon heat wave?

Yes, with precautions: a first-light start, shaded and dampened subgrade, no water added at the truck, and moist curing or cure compound right after finishing. On the hottest forecast days we’ll move the pour rather than gamble with it.

Q: Stamped concrete or pavers?

Stamped concrete costs less up front and gives a continuous surface, but it cracks like any slab and needs resealing. Pavers flex with clay and can be lifted and reset. We quote both if you’re undecided — see our El Cajon pavers page.

Q: Do you fix sidewalk and curb in front of my house?

Yes, under a City encroachment permit. The application needs a scaled drawing, insurance, a traffic-control plan where required and a current El Cajon business licence; we prepare it.

Q: How do I check that you’re licensed?

Shaun Bagwell Masonry holds California C-29 Masonry licence #979389 with a $25,000 contractor bond. Look it up at cslb.ca.gov → “Check a License”.

Concrete that drains away from your house, cracks only where the joints tell it to, and gets a proper cure even in an El Cajon August. Driveways, patios, walks, steps, slabs and footings, with the City’s right-of-way permit handled when the apron is involved. Free on-site estimate.

Call (619) 581-2492 Request Free Estimate

CSLB #979389 · C-29 Licensed · Bonded $25,000 · Free on-site estimates

El Cajon concrete by the numbers

Hot Pours on Slow-Draining Clay

Two local facts explain most cracked El Cajon concrete. NOAA’s station in town averages 56.8 days a year at 90°F or hotter (6.9 at 100°F), and hot, dry air pulls water out of a fresh slab before it has cured. Underneath, the valley floor’s Placentia subsoil is 35–45% clay with very slow permeability, and parts of the west hillside are Diablo clay that shrinks and swells with the seasons. A slab poured fast, cured dry and jointed by guesswork on that ground will crack where it likes.

The fixes are not exotic. Control joints every 24–36 times the slab thickness — 8 to 12 feet on a 4-inch patio — sawn a quarter of the depth. Moist curing for 7 days or until the concrete reaches 70% of its design strength, the default in ACI 308.1. A fall of at least 2% away from the house. And an early-morning start from June to October.

56.8Days a year at 90°F or hotter in El CajonNOAA 1991–2020
35–45%Clay in the valley floor’s Placentia subsoilUSDA NRCS
8–12 ftControl-joint spacing on a 4-inch slabNRMCA CIP 6
7 daysDefault moist-curing periodACI 308.1 via FHWA

Infographic: house to curb, concrete on an El Cajon lot. A cross-section runs from the house across a patio, walkway or driveway slab to the apron, sidewalk and curb, with the property line dashed. On the lot, no building permit for walks and drives 30 inches or less above grade, and the slab slopes at least 2 percent, about a quarter inch per foot, away from the house within 10 feet of the foundation (CRC R401.3). Past the property line, the apron, sidewalk and curb are City right-of-way needing an encroachment permit. Beneath, Placentia subsoil is 35–45 percent clay with very slow permeability. Cards: control joints 8 to 12 feet apart on a 4-inch slab, sawn a quarter of the depth; curing 7 days or to 70 percent of design strength, with El Cajon averaging 56.8 days a year at 90°F or more; grading is exempt only for cuts under 2 feet and fills under 12 inches, 50 cubic yards or less, no steeper than 2 to 1 (El Cajon 15.64.020). — **The property line splits the job in two.** Everything on your side is about base, joints, fall and cure; the apron, sidewalk and curb belong to the City and need its permit first. Schematic, not to scale.Sources: CRC R401.3; NRMCA CIP 6; ACI 308.1 (FHWA); El Cajon §15.64.020.

Concrete Work We Do in El Cajon

Residential flatwork and structural concrete, poured by a licensed mason who also builds the walls, steps and footings it ties into. County-wide detail is on our concrete services page.

Stone pillar and low wall at the edge of a concrete driveway entrance.

Driveways

Driveways and aprons

Tear-out and replacement of cracked 1950s–’70s driveways, widened parking pads and new aprons — with the encroachment permit pulled before we touch the curb.

Patios

Patios and outdoor slabs

Broom, exposed-aggregate, coloured and stamped patios, pitched away from the house and jointed so the cracks that clay soil makes happen in the joints.

Close-up of stair treads set level between plastered block stringer walls.

Walks & steps

Walkways, steps and landings

Side-yard walks, entry steps with even risers, and landings at doors — the pieces that settle first on valley-floor fill and trip people when they do.

Concrete block wall core laid on a new footing along a hillside driveway.

Footings

Footings for walls, fireplaces and additions

Continuous and spread footings dug to design depth, steel tied and inspected — for block and retaining walls, masonry fireplaces, posts and small additions.

Slabs

Slabs for sheds, ADUs and equipment

Reinforced slabs on a prepared base for sheds, pads and garage floors, with vapour retarder where a floor will be finished on top.

Finished street-front wall with pilasters and a paver stairway, with new sidewalk and curb below.

Right-of-way

Sidewalk, curb and gutter repairs

Lifted or broken sidewalk panels and curb sections in front of your home, built to the City’s requirements under an encroachment permit.

How We Pour on El Cajon Ground

Strength is specified at 28 days — that’s the test the American Concrete Institute uses for acceptance — and getting there depends on keeping the slab wet early. In El Cajon’s summer that means pouring at first light, never adding water at the truck to make placement easier, and keeping new work damp or under cure compound for the first week.

On the valley floor, the slow-draining clay is the reason we slope every slab away from the house and give the water somewhere to go. On Fletcher Hills’ Diablo clay, which opens cracks ½ to 2 inches wide in the dry season, slabs get a deeper, compacted base and tighter joint spacing; on east-side decomposed granite, base prep is easier but rock may need breaking out.

Control joints: 24–36 × thickness; NRMCA max 15 ft; sawn ¼ of the slab depth.NRMCA CIP 6
Curing: 7 days or 70% of f′c; The ACI 308.1 default above 10°C.ACI 308.1 via FHWA
Acceptance strength: 28-day tests; 3- and 7-day results only track early gain.ACI FAQ
Fall from the house: ≥ 2% within 10 ft; About ¼ inch per foot for hard surfaces.CRC R401.3
West-side clay: 45–60% clay; Diablo series — deeper base, tighter joints.USDA NRCS

Concrete Permits in El Cajon

On your lot. CBC §105.2 exempts sidewalks and driveways no more than 30 inches above adjacent grade, not over a basement and not part of an accessible route, and El Cajon’s amendment to that list (§15.04.040) touches only Item 1, so a typical patio, walk or driveway replacement needs no building permit. Foundations, structural slabs and footings for permitted walls or fireplaces do.

At the street. The apron, sidewalk, curb and gutter sit in the public right-of-way. Work there needs an encroachment permit from the City’s Engineering Services, and the application asks for a scaled drawing, an insurance certificate, a traffic-control plan where needed and a current El Cajon business licence. In unincorporated Bostonia or Rancho San Diego, the County Department of Public Works issues it instead.

Grading. Cuts under 2 feet and fills under 12 inches, 50 cubic yards or less and no steeper than 2:1, are exempt (§15.64.020). Hillside lots are limited to 2:1 cut and fill slopes no more than 30 feet high (§17.170.040). The City’s Safety Element notes central El Cajon is more than 70% impervious, so where your water goes off the slab matters to the street, too.

Patio, walk or driveway at grade: No building permit; ≤ 30 in above grade; El Cajon doesn’t amend this item.CBC §105.2
Apron, sidewalk, curb: Encroachment permit; City of El Cajon Engineering Services.City application
County addresses: County DPW permit; Bostonia, Rancho San Diego and other unincorporated areas.County DPW
Grading without a permit: Cut < 2 ft · fill < 12 in; ≤ 50 cu yd, no steeper than 2:1.§15.64.020
Foundations & structural slabs: Building permit; Inspected before the pour.CBC §105

Concrete Finishes for an El Cajon Yard

Finish changes the price, the grip and how hot it gets underfoot. Cost figures are national (Fixr, January 2025) — use them to compare, not to budget.

Concrete Finishes for an El Cajon Yard
	Broom finish	Exposed aggregate	Coloured	Stamped
National cost, driveway	$6–$8/sq ft (plain)	$8–$12/sq ft	$8–$12/sq ft	$12–$18/sq ft
Grip when wet	Good	Very good	As the texture	Can be slick — needs a textured sealer
Summer heat	Light grey stays cooler	Depends on stone colour	Darker tints run hotter	Darker patterns run hotter
Best for	Driveways, side walks	Driveways, pool surrounds	Patios	Patios, entries
Upkeep	Low	Low	Reseal to keep colour	Reseal every few years

Source for costs: Fixr concrete driveway cost guide (Jan 2025, national). Heat and grip are general guidance, not test results — we set samples out on site when it matters.

How an El Cajon Concrete Job Runs

Site visit
We check the soil, the fall, the old concrete and whether the job reaches the street — and whether your parcel is City or County.
Permits
Encroachment permit for any apron, sidewalk or curb work; building permit for foundations and structural slabs.
Demo and grade
Old concrete broken out and hauled, soft clay removed, subgrade shaped to fall away from the house.
Base, forms and steel
Compacted base, forms set to grade, reinforcement on chairs — not lying in the dirt — and inspections where required.
Pour and finish
An early start in hot months, finish to your choice, joints tooled or sawn the same day at the spacing the slab needs.
Cure and hand-over
Kept moist or cured for the first week; we tell you when to walk on it, when to drive on it and how to care for it.

Planning one? Shaun will walk the site with you and tell you what it needs — free, no obligation.

Call (619) 581-2492

What Concrete Costs
National benchmark	Figure
Concrete driveway, 24 × 24 ft, 5 in, broom (Fixr 2025)	$3,460–$6,910 · avg $5,184
Poured concrete patio, per sq ft (Fixr 2022)	$6–$17
Stamped driveway, per sq ft (Fixr 2025)	$12–$18
Median U.S. driveway/walkway project (AHS 2023)	$2,900

Sources: Fixr concrete driveway (Jan 2025) and patio (2022) cost guides; U.S. Census Bureau/HUD 2023 American Housing Survey. Permit fees are listed separately on our proposal.

Where Concrete Differs Around El Cajon

The slab is the same; the ground under it and the agency at the curb aren’t.

Downtown & valley floorZIP 92020Placentia sandy loam over slow-draining clay, inside the 500-year floodplain the Safety Element maps along I-8. Fall and outlets come first.
Fletcher HillsZIP 92020Diablo clay on the west hillside swells and shrinks with the seasons — deeper base, tighter joints, and steps that need firm footings.
Granite Hills (city side)ZIP 92021Decomposed granite compacts well; rock 20–40 inches down can turn footing trenches into a breaker job.
BostoniaZIP 92021Unincorporated ranch lots with long driveways; County DPW issues the encroachment permit for apron work.
Rancho San DiegoZIP 92019County land on sloped tract lots — steps, landings and walkways between terraces.
Older homes citywide39% of El Cajon homes were built before 1970, so many driveways and walks are past due — replacement, not patching, is the usual answer.

More Masonry in El Cajon

The El Cajon page covers the ground, permits and neighbourhoods across every kind of job. The county-wide pages go deeper on the build itself.

Concrete in other areas

Do I need a permit to replace my driveway in El Cajon?

Not a building permit for the part on your lot — driveways no more than 30 inches above grade are exempt under CBC §105.2. If the work includes the apron, sidewalk or curb, you need an encroachment permit from the City’s Engineering Services first (or County DPW in unincorporated areas). We handle that application.

Why does concrete crack so much in El Cajon?

Clay subsoil that holds water, seasonal swelling on the west hillside, and heat that dries slabs before they cure. All concrete shrinks; joints every 24–36 times the thickness, a good base, fall away from the house and a week of moist curing keep the cracks in the joints.

How thick should a driveway be?

Four inches is a common residential minimum, and 5 inches or more is recommended for heavier vehicles (Fixr’s benchmark driveway is 5 inches). On expansive clay we often go thicker with reinforcement — the soil decides, and that’s part of the site visit.

When can I drive on my new driveway?

Light foot traffic after a day or so, cars typically after about a week, and heavy vehicles later. Strength is specified at 28 days; we give you dates for your pour based on the mix and the weather.

Can you pour in an El Cajon heat wave?

Yes, with precautions: a first-light start, shaded and dampened subgrade, no water added at the truck, and moist curing or cure compound right after finishing. On the hottest forecast days we’ll move the pour rather than gamble with it.

Stamped concrete or pavers?

Stamped concrete costs less up front and gives a continuous surface, but it cracks like any slab and needs resealing. Pavers flex with clay and can be lifted and reset. We quote both if you’re undecided — see our El Cajon pavers page.

Do you fix sidewalk and curb in front of my house?