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Ground-Up Readiness

Court Design & Site Preparation in Los Angeles County

Get a build-ready base with a written scope before any construction begins.

  • On-Site Evaluation
  • Written Estimate
  • LA County Coverage
  • No Surprises
Prepared sports court site with graded compacted aggregate base and drainage channels ready for surface installation.

What Goes Wrong First

The failures that happen before a single surface tile is laid

Cutting corners on ground-readiness creates problems that no surface material can fix later.

Skipped Slope Check

A yard that looks flat can still carry enough slope to cause standing water and uneven bounce across the finished court.

Laser Level Survey

A laser level survey maps the actual slope so grading targets are set before excavation starts, not corrected after.

Clay Soil Ignored

Southern California clay retains water and shifts seasonally, which undermines any base that was not compacted to the right depth.

Compacted Aggregate Base

Unstable material is excavated and replaced with a compacted aggregate subbase built to the depth the surface type requires.

Drainage Added Late

Drainage lines retrofitted after base work is complete are shallower, harder to slope correctly, and more likely to block.

Drainage Set During Base Work

Lines are placed and sloped during the base phase so they integrate with the subbase rather than sitting on top of it.

Slab Used As-Is

An existing slab that has moved, cracked, or drains poorly transfers every flaw directly to the finished court surface above it.

Slab Condition Assessment

The slab is checked for cracks, slope, and adhesion before any decision is made, and findings go into the written scope.

Common problems, answered

Scope of Work

What court design & site preparation covers

Every task in this phase is about making the ground ready before surfacing begins, nothing more, nothing less.

Laser Level Site Survey

Maps actual slope across the full court footprint so grading targets are accurate before any ground is moved.

Soil Stability Assessment

Identifies soft spots, clay layers, and seasonal shift risk that would compromise a compacted base over time.

Grading & Excavation

Removes unstable or excess material to reach the elevation and slope tolerance the court surface requires.

Subbase Compaction

Builds a compacted aggregate layer to the specified depth so the base carries load without settling or shifting.

Drainage Line Installation

Places and slopes drainage lines during base work so water exits the court area cleanly after rain or irrigation.

Edge Setback & Layout Planning

Confirms usable court dimensions against local lot-coverage rules and marks the final layout before construction begins.

Existing Slab Evaluation

Checks cracks, slope, and adhesion before any new material is applied.

Debris Hauling

Excavated material and demolished slab sections removed from site.

Court Layout Marking

Final boundary lines marked on the prepared base before surfacing.

How the Work Is Done

Why site preparation determines how long a court lasts

A flat-looking yard or an existing slab is not automatically ready for a court, the ground has to be assessed first.

The builder starts with a laser level site survey and slope check. Los Angeles County hillside lots often have terrain that looks manageable but requires significant grading to reach the slope tolerance a court surface needs. Edge setback planning is done at this stage so the layout stays within local lot-coverage rules and the usable court area is confirmed in writing before any ground is moved.

Southern California clay soil retains water and shifts seasonally, which makes compaction and drainage checks especially important. Excavation removes unstable material, and a compacted aggregate subbase is built to the depth the surface type requires. Drainage lines are placed during this phase, not added later as an afterthought, so they integrate with the subbase and slope correctly toward the exit point.

An existing slab is evaluated for cracks, slope, and surface adhesion before any new material goes over it. If the slab is sound, it can often serve as the base layer. If it has moved or drained poorly, the builder documents the issue in the written scope so the repair is addressed before surfacing begins, keeping the project on schedule.

Why Choose Us

Why Los Angeles County Sports Courts for site preparation?

Ground-readiness work sets the condition of every court that follows, here is how we make sure it is done right.

Written Scope Before Anything Is Booked

You receive an itemised estimate covering base prep, drainage, and layout before any work is scheduled or committed.

On-Site Evaluation Every Time

Every enquiry starts with a ground and drainage assessment at the actual site, not a remote quote based on photos.

Local Builders Who Know LA County Ground

We arrange court builders familiar with hillside lots, clay soil conditions, and municipality setback rules across the county.

Final Walkthrough Before Sign-Off

The completed base work is reviewed with you before surfacing begins, so any issue is caught at the right stage.

Full County Coverage, One Enquiry

We arrange site preparation for backyard courts, HOA facilities, and commercial properties across all of Los Angeles County.

A completed sports court builder job at a house
A finished sports court builder project

The Process

From first enquiry to a build-ready base

  1. 01

    Share Your Site Details

    Tell us the location and the sport, and we arrange a local court builder to carry out an on-site evaluation of the ground and drainage.

  2. 02

    Review the Written Scope

    The builder puts the full assessment in writing, covering grading, compaction, drainage lines, and layout, before any work is booked.

  3. 03

    Base Work Completed & Signed Off

    Excavation, subbase compaction, and drainage installation are completed, then reviewed with you before surfacing begins.

Pricing Estimates

Typical Court Design & Site Preparation Prices

JobTypical cost
Court design and layoutFrom $3,000
Basic site preparationFrom $5,000
Full site prep for new court$8,000-$20,000
These prices are estimates and often vary with the condition, size and scope of each job. Message or call us for a free, no-obligation quote.
See all prices

Common Questions

Questions about court design & site preparation

Do I need site preparation before building a sports court?

Yes, every court project requires site preparation. The ground must be graded, compacted, and drained correctly before any surface goes down. Skipping this step leads to cracking, pooling water, and an uneven playing surface that worsens over time. An on-site evaluation confirms exactly what your specific ground needs.

Can my existing concrete slab be used for a new court?

Sometimes yes, but the slab must be assessed first. Builders check for cracks wider than a hairline, surface heave, drainage slope, and structural integrity. A slab in sound condition with adequate slope can often be resurfaced directly. One with significant cracking or poor drainage usually needs repair or replacement before a new surface is applied.

Is my yard flat enough for a court project?

Most yards are not perfectly flat, and that is normal. Grading during site prep corrects the slope to the required tolerance. What matters is whether the existing grade is close enough that grading is practical, or so steep that major earthwork or retaining walls would be needed. An on-site evaluation gives you a clear answer for your specific yard.

How do I know if my space is big enough for the court size I want?

A standard pickleball court needs roughly 30 by 60 feet of clear space; a half-court basketball layout needs about 42 by 37 feet. Tell us the sport and your available dimensions, and a local builder will assess the site and confirm what fits, including any buffer space needed for fencing or run-off zones.

What happens if the site has drainage problems?

Poor drainage causes water to pool on the surface, which accelerates surface wear and creates a slip hazard. Builders address it during prep by regrading the base to a controlled slope, adding a compacted aggregate sub-base, or installing French drains where the ground cannot shed water naturally. Ignoring drainage problems before construction guarantees they reappear through the finished surface.

Can you tell if the soil will cause problems before construction starts?

Yes. The on-site evaluation checks soil type, compaction, and how the ground responds to moisture. Expansive or clay-heavy soils that shift with water content are identified at this stage, so the base design can account for them before any work begins rather than after a problem surfaces.

What if the base ends up uneven after the work starts?

If grading reveals unexpected soft spots, buried debris, or inconsistent compaction, the builder addresses those areas before the base layer is finished. Continuing over an uneven base would transfer the problem directly to the playing surface, so correction at this stage is standard practice, not an optional extra.

Will site prep help prevent cracking later?

Yes. Most surface cracking traces back to an inadequately compacted or poorly drained base that shifts under load or moisture. Proper grading, a compacted aggregate sub-base, and controlled drainage remove the main causes of that movement, giving the finished surface a stable foundation that resists cracking over time.

More questions about Court Design & Site Preparation?

Tell Us Your Site & We’ll Arrange the Rest

Share the location and the sport, and we’ll arrange a local court builder to assess the ground and put a written scope together before anything is booked.

Request a Site Assessment