Orange County, California

Civil Engineering Site Plans in Aliso Viejo, CA

Describe your project in 2 minutes: licensed civil engineers who serve Aliso Viejo get back to you with quotes.

Population
50,457
County
Orange County
Land area
6.9 sq mi
  • Free, no obligation: you decide whether to hire anyone.
  • Up to 3 local pros who serve your area.
  • Your contact details are shared only with your consent.

Your project in Aliso Viejo

About 2 minutes Free No obligation

Step 1 of 4 What do you need?
Step 2 of 4 Tell us about your project
Project type
Size of the site
You are
Is there a survey? (optional)
Step 3 of 4 Where and when?
When would you like to start?
Add details (optional)

Do not enter your contact details here: they are requested in the next step.

Step 4 of 4 How can professionals reach you?

US phone number, mobile or landline.

Your contact details are shared with no more than 3 professional(s), and only with your consent below.

Free for you. You are free to accept or decline the professionals' proposals.

Looking for a civil engineer in Aliso Viejo, CA? Describe your project once and up to three licensed civil engineers who work in Aliso Viejo and Orange County get back to you with a quote. It's free and there is no obligation.

Aliso Viejo is home to about 50,457 people (2024 Census Bureau estimate), a shrinking community (−3.3% since 2020). With 7,286 people per sq mi, it is a densely built-up area. New homes, commercial buildings and subdivisions here go through site plan review, where a sealed civil plan is often required.

Aliso Viejo at a glance

Population (Census Bureau estimate, 2024)
50,457 (−3.3% since 2020)
Rank in California
177th of 482 cities and towns
Land area
6.9 sq mi
Population density
7,286 people per sq mi (densely built-up)
Type
City (Aliso Viejo city)
Main county
Orange County

What to check before hiring in Aliso Viejo

  • License: in California, site, grading and drainage plans are sealed by a Professional Engineer licensed by the state board.
  • Survey: have a boundary and topographic survey ready, or ask the engineer to coordinate one.
  • Local rules: stormwater standards differ between cities and counties; the engineer designs to the rules where the site is.
  • Price drivers: site size, slope, utilities, stormwater requirements and review rounds.

Useful official resources

Services available in Aliso Viejo

Frequently asked questions in Aliso Viejo

How much does a site plan cost in Aliso Viejo, CA?

It depends on the site, the project and the local requirements. Describe your project: engineers who serve Aliso Viejo send a proposal.

How long does it take?

Design often takes a few weeks, then the review by the city or county adds time.

Can the engineer handle the permit review?

Most civil engineers respond to review comments and resubmit the plans for you.

Which licensed civil engineers will contact me?

Up to three independent licensed civil engineers who serve Aliso Viejo and the surrounding area, chosen for the service you need. Your details are shared only with your consent.

Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.

A project in Aliso Viejo?

Describe it in 2 minutes. It's free and there is no obligation: local pros who serve your area get back to you.

Describe my project

Describe my project, it's free