Best Civil, Structural and Environmental Engineers near Placentia, CA

1 of these companies is based in Placentia; the others serve Placentia from towns including Anaheim (3 mi), Orange (6 mi) and Santa Ana (10 mi).

7 open weekends · 18 rated 4.5+ · 3 show a license

Data verified October 15, 2026

AJ Engineering

AJ Engineering

In Business Since 2014
1601 E Miraloma Ave, Placentia, CA
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ACC & Engineering

ACC & Engineering

(50)
  • Plan
  • Ideas
  • Contractor
“Never have I had the pleasure of doing business with such an honest and hard working individual who takes an abundance of pride in all aspects of his his work ethic and demeanor.”
In Business Since 2021
CSLB# 1073807
1130 N Kraemer Blvd # I, Anaheim, CA
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Pool Engineering

Pool Engineering

(13)
“What a great bunch of peeps that work here we couldn't build Pools with out them we really appreciate all the help we receive from Pool engineering inc.”
In Business Since 1996
BBB Rating: A+
Accepts All Major Credit Cards
1201 N Tustin Ave, Anaheim, CA
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KAD Engineers & Surveyors

KAD Engineers & Surveyors

(28)
  • Property Line
  • Parking
  • Coffee
“A very kind lady helped me and did a great job of sorting out my issues with multiple i Pads”
In Business Since 2023
Average Price Tag
3301 Michelson Dr #2222, Irvine, CA
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Bisimoto Engineering

Bisimoto Engineering

(30)
  • Car
  • Shop
  • Website
“Lin is super professional and had updates for every detail or whenever the status of my shipment/order would change.”
In Business Since 2003
2060 S Lynx Pl, Ontario, CA
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True Lines. Custom Design

True Lines. Custom Design

(26)
  • ADU
  • Collaboration
  • Concepts
“More importantly, the connections with other specialists that Stan has built up, has been a significant resource for us as we face new types of challenges.”
In Business Since 2019
Free Initial Consultation
10640 Sunnybrook Ln, Whittier, CA
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Listed for property owners in and around Placentia, CA, these 24 companies do engineering work for properties. Listings show the disciplines each firm names on its own website, from structural to civil site work and environmental assessment, with ratings and quotes from public reviews.

Area overview: Placentia, CA

23 of the 24 companies on this page have a rating, from 4.2 to 5.0 across 652 reviews; 3 have 50 or more reviews and 18 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "price", "knowledge" and "quality". 7 are open on Saturdays and 5 on Sundays. 3 show a license on their websites and 3 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 74 years. 6 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 19 publish a contact page; all 24 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.

Do any of these firms say they are licensed?

3 of the 24 listings for Placentia show a license on their websites. Registration belongs to an individual, so match the name on the seal to the person doing your work, and verify it with the state board rather than trusting a badge on a homepage.

Aerotas

Aerotas

(19)
  • File
  • Company
  • Quality
“After speaking with Aerotas representatives and deciding what platform was the best fit for our application, We placed our order and they walked us through the process all while keeping us up to date on the build.”
In Business Since 2015
Transparent Fees & Pricing
3303 Harbor Blvd b4, Costa Mesa, CA
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Tait & Associates Inc

Tait & Associates Inc

In Business Since 1968
BBB Rating: A+
701 N Parkcenter Dr, Santa Ana, CA
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Recon Refractory Services

Recon Refractory Services

In Business Since 1994
BBB Rating: A+
Serving Placentia Area
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Kars' Advanced Materials Inc

Kars' Advanced Materials Inc

(9)
  • Analysis
  • Projects
  • Course
“I've used Kars' for both investigative case work in aircraft accidents as well as sending my investigation students from the Southern California Safety Institute in our Aircraft Accident Investigation Course.”
In Business Since 2002
Remote Consultations Available
2528 W Woodland Dr, Anaheim, CA
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Farwest Corrosion Control Company

Farwest Corrosion Control Company

(9)
“Corrosion protection, very friendly staff, eager to help”
In Business Since 2000
Coupons & Offers
Free Initial Consultation
12029 Regentview Ave, Downey, CA
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Durand Architectural Engineering

Durand Architectural Engineering

(12)
  • Knowledge
  • Ideas
  • Art
“Jackson listened intently and knew what I wanted or in many cases knew I was struggling with how to maximize the space and what I can do due to the lack of space and Jackson created a sensible design with best view and flow by his first attempt!”
In Business Since 2018
Family Business
3001 Red Hill Ave Suite 2-215, Costa Mesa, CA
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A To Z Engineering

A To Z Engineering

(13)
  • Price
  • Design
  • Money
“After reserch we found A to Z Enginering to do remodlenig our house, their architect desiner and structural design engineer did amazing design , easy to get permit and reffer license contractor , the way engineer design , we save a lot of money, we a...”
In Business Since 1952
Accepts Cash, Check, Travelers checks
Serving Placentia Area
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Dary Engineering

Dary Engineering

(4)
“He helped design my home and gave me great advice on where I could save money on the project and where I should invest properly.”
In Business Since 2002
Licensed
Free Initial Consultation
Serving Placentia Area
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Uni Construction + Design

Uni Construction + Design

(3)
  • Permit
“City gave me headache during inspection making me get permit for random work done by previous owner.”
In Business Since 2024
Free Initial Consultation
2648 E Workman Ave 3001 box 391, West Covina, CA
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Peer Review and Verification (Prv) Engineers

Peer Review and Verification (Prv) Engineers

(3)
  • Inspection
“Extremely reasonable pricing combined with their professionalism has turned us into a loyal customer of theirs.”
In Business Since 2021
Free Initial Consultation
11006 Colima Rd, Whittier, CA
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Advanced Ground Systems Engineering

Advanced Ground Systems Engineering

(2)
“Friendly employees are sensitive to the drivers' requirements and meet them halfway.”
In Business Since 1997
Free Initial Consultation
Serving Placentia Area
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Transtech Engineers

Transtech Engineers

(1)
“Amazing work ethic”
In Business Since 2005
Remote Consultations Available
13367 Benson Ave, Chino, CA
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Vantage Company

Vantage Company

(5)
“I have worked with this company for many years and they have been a solid organization.”
In Business Since 2011
1643 W Orange Grove Ave, Orange, CA
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J.R. Miller & Associates

J.R. Miller & Associates

(4)
“I specially liked the attention to detail made on every project they have worked on and assuring that the client's vision was met.”
In Business Since 2009
Accepts Check
Serving Placentia Area
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Harrington Geotechnical Engineer

Harrington Geotechnical Engineer

(3)
“This company deserves definitely more than 5 stars great experience to work with they have a very responsive office and Marty was a very very good inspector to work with thanks again for the quick response and great work...”
50+ Years Experience
Family Business
1590 N Brian St, Orange, CA
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Chuck Yaghi Shucri

Chuck Yaghi Shucri

(7)
“Been working with "Chuck" and his people for about 10 years.”
In Business Since 1988
112 E Chapman Ave, Orange, CA
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Mustafa Bdaiwi Architect and Associates

Mustafa Bdaiwi Architect and Associates

(7)
  • Expertise
  • Engineer
  • Plan
“Mustafa, who I found, not only helped me clear all the paperwork requirements and ensure compliance with the county for finalizing our building permit, but he was also consistently available to address questions and assist me in thinking of smart, fi...”
In Business Since 2018
Licensed
601 N Parkcenter Dr #204, Santa Ana, CA
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Spec Services

Spec Services

(3)
“It's the building on the right as you're facing both tall buildings.”
In Business Since 1996
10540 Talbert Ave #100, Fountain Valley, CA
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Civil & Structural Engineering Services in Placentia, CA Cost Estimates

Minimum cost
$207
Maximum cost
$1299
National Average
$504
Avg Per Hour Rates
$129
$333
$680
Fair price range is based on 363 cost profiles
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Average Cost $504
Minimum cost $207
Maximum cost $1299
Avg Per Hour Rates $129

Fair range $333 to $680 is based on 363 cost profiles.

Why these companies made our list

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