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Engineer structural pros in Los Angeles

Avatar for JZ Structural, Inc.
JZ Structural, Inc.
205 S Chapel Ave Suite D1
5.00(
2
)
Approved Pro
JZ Structural, Inc.
205 S Chapel Ave Suite D1
5.00(
2
)
Approved Pro
Customers say: Quick response
15 years of experience
Free onsite estimate

JZ Structural, Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"N/A"

Pablo G on April 2022

JZ Structural, Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"N/A"

Pablo G on April 2022


Avatar for K & K Engineering
K & K Engineering
17595 Harvard Ave, Unit C-734
4.95(
10
)
Approved Pro
K & K Engineering
17595 Harvard Ave, Unit C-734
4.95(
10
)
Approved Pro
Customers say: Quick response
12 local quotes requested
5 years of experience

We are a locally owned and operated company with years worth of experience in structural engineering. We continue to build upon our excellent reputation by serving you with superior results and complete satisfaction. Please call us for all of your structural engineering needs!

"It was great working with Kyle! He was very knowledgeable and answered all of my structural questions about my condo. I’d be happy to work with him again on my future projects!"

Qiana B on May 2025

We are a locally owned and operated company with years worth of experience in structural engineering. We continue to build upon our excellent reputation by serving you with superior results and complete satisfaction. Please call us for all of your structural engineering needs!

"It was great working with Kyle! He was very knowledgeable and answered all of my structural questions about my condo. I’d be happy to work with him again on my future projects!"

Qiana B on May 2025


Avatar for RCS Engineering Services
RCS Engineering Services
2335 East Colorado Boulebard, Unit 115-170
5.00(
3
)
Approved Pro
RCS Engineering Services
2335 East Colorado Boulebard, Unit 115-170
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7 years of experience

Our firm provides structural engineering support for all phases in the design and construction process. Our primary function is to create structural plan packages for submission to the governing authority. We are also available to conduct preliminary field visits and structural observations during construction. In whichever service you need, we pride ourselves in carrying out the job professionally, quickly, and for an affordable price.

"I searched many and started off with others and nobody came close in handling what we needed. I found Richard, he came in and took care of it all; it was completed in a timely manner with his accurate thinking. He definitely thought ahead and it saved me a lot of time, grief and money. He got ahead of any issues and resolved potential problems that could arise. He knew exactly what the city would require and did what needed to be done which saved us an untold amount of time and money. I did not know him from Adam, he works at a very different level of ability and knowledge. His pricing for me was the best! He is a gem, get him if you can!"

Constantine P on January 2020

Our firm provides structural engineering support for all phases in the design and construction process. Our primary function is to create structural plan packages for submission to the governing authority. We are also available to conduct preliminary field visits and structural observations during construction. In whichever service you need, we pride ourselves in carrying out the job professionally, quickly, and for an affordable price.

"I searched many and started off with others and nobody came close in handling what we needed. I found Richard, he came in and took care of it all; it was completed in a timely manner with his accurate thinking. He definitely thought ahead and it saved me a lot of time, grief and money. He got ahead of any issues and resolved potential problems that could arise. He knew exactly what the city would require and did what needed to be done which saved us an untold amount of time and money. I did not know him from Adam, he works at a very different level of ability and knowledge. His pricing for me was the best! He is a gem, get him if you can!"

Constantine P on January 2020


Peter T. Erdelyi & Associates, Inc.
2999 Overland Ave STE 103
4.52(
83
)
Approved Pro
Peter T. Erdelyi & Associates, Inc.
2999 Overland Ave STE 103
4.52(
83
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
77 local quotes requested

Peter T. Erdelyi and his office of 15 employees have designed thousands of residential and commercial projects over the past 37 years - remodels, additions and new buildings

"Quoted one price and kept asking for more money. They only came to the house once, and any changes I had to make (because they didn't have all the information) they changed me more."

Dominic M on July 2023

Peter T. Erdelyi and his office of 15 employees have designed thousands of residential and commercial projects over the past 37 years - remodels, additions and new buildings

"Quoted one price and kept asking for more money. They only came to the house once, and any changes I had to make (because they didn't have all the information) they changed me more."

Dominic M on July 2023


Avatar for Standley Structural Design
Standley Structural Design
18757 Burbank Blvd Unit 109
5.00(
5
)
Approved Pro
Standley Structural Design
18757 Burbank Blvd Unit 109
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 local quotes requested

Welcome to Standley Structural Design, proudly servicing Sherman Oaks, and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed. We are a Los Angeles based structural design team of qualified and licensed Civil Engineers. We can assist you in effective assessment and design whether your home is in need of repairs, you are looking to renovate or build an addition, or you are looking to build a new home from scratch. We serve the entire state of California. We know the most important thing we can do is design efficient, easy to construct systems, and get them back to you in a workable amount of time. We pride ourselves in thorough and effective designs gotten back to you in time to not delay your projects.

"punctual . professional and pleasant."

ELLEY L on February 2021

Welcome to Standley Structural Design, proudly servicing Sherman Oaks, and the surrounding areas. Our goal is to complete your project to perfection. We look forward to building long lasting relationships with the customers that we serve. We look forward to serving you. Call us today! You will not be disappointed. We are a Los Angeles based structural design team of qualified and licensed Civil Engineers. We can assist you in effective assessment and design whether your home is in need of repairs, you are looking to renovate or build an addition, or you are looking to build a new home from scratch. We serve the entire state of California. We know the most important thing we can do is design efficient, easy to construct systems, and get them back to you in a workable amount of time. We pride ourselves in thorough and effective designs gotten back to you in time to not delay your projects.

"punctual . professional and pleasant."

ELLEY L on February 2021


Avatar for Pac Sands Corp
Pac Sands Corp
1309 Coffeen Ave STE !200
5.00(
2
)
Approved Pro
Pac Sands Corp
1309 Coffeen Ave STE !200
5.00(
2
)
Approved Pro
8 years of experience
Free onsite estimate

We specialize in home designs, architectural plans and structural drawings for new homes and ADUs, and helping customers get building permits fast. We've been licensed professional engineers in California for over 20 years. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

"Hired Pacific Sands after we lost our home in the Eaton Fires in Altadena. We were very happy with their team and the designs they finished for us. Their permitting team was amazing too, so happy they were able to help with that part of the process. too. "

Anna H on May 2025

We specialize in home designs, architectural plans and structural drawings for new homes and ADUs, and helping customers get building permits fast. We've been licensed professional engineers in California for over 20 years. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

"Hired Pacific Sands after we lost our home in the Eaton Fires in Altadena. We were very happy with their team and the designs they finished for us. Their permitting team was amazing too, so happy they were able to help with that part of the process. too. "

Anna H on May 2025


Avatar for Smart Eye Construction
Smart Eye Construction
6230 Wilshire Blvd. Suite 1919
4.94(
17
)
Approved Pro
Smart Eye Construction
6230 Wilshire Blvd. Suite 1919
4.94(
17
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
250 local quotes requested

At Citizen Properties we specialize in custom, high-end design and construction and real estate acquisition consultation. After disasters (fire - earthquake) our team is experienced and efficient in consulting and assisting people with their property needs and recovery, insurance claims, as well as expediting permits for rebuilds. Our licensed, bonded, and insured sub-contractors are comprised of a handpicked team of architects, interior and landscape designers as well as all trades of construction. As a full-service general contractor with over thirty years of experience, we are committed to exemplifying integrity, a rigorous business ethic and a steadfast commitment to meeting and exceeding our client’s expectations. Having worked with such noted architects and designers as Frederick Fisher, Jeffrey Cayle, Julie Hart, Christian Hubert, Jeffrey Allsbrook, Andie Zelnio, Katherine Spetner, Katie McGloin, Lizanne Judge, and Michael Paladino of Richard Meier and Partners, we are accustomed to projects of complexity and architectural integrity. Citizen Properties Incorporated specializes in all aspects of construction administration. Equipped with an expert crew and supervisors, our contractor is free to meet with architects, designers, and clients whenever necessary.

"Excellent professionals for a new driveway."

tammis b on January 2025

At Citizen Properties we specialize in custom, high-end design and construction and real estate acquisition consultation. After disasters (fire - earthquake) our team is experienced and efficient in consulting and assisting people with their property needs and recovery, insurance claims, as well as expediting permits for rebuilds. Our licensed, bonded, and insured sub-contractors are comprised of a handpicked team of architects, interior and landscape designers as well as all trades of construction. As a full-service general contractor with over thirty years of experience, we are committed to exemplifying integrity, a rigorous business ethic and a steadfast commitment to meeting and exceeding our client’s expectations. Having worked with such noted architects and designers as Frederick Fisher, Jeffrey Cayle, Julie Hart, Christian Hubert, Jeffrey Allsbrook, Andie Zelnio, Katherine Spetner, Katie McGloin, Lizanne Judge, and Michael Paladino of Richard Meier and Partners, we are accustomed to projects of complexity and architectural integrity. Citizen Properties Incorporated specializes in all aspects of construction administration. Equipped with an expert crew and supervisors, our contractor is free to meet with architects, designers, and clients whenever necessary.

"Excellent professionals for a new driveway."

tammis b on January 2025


Avatar for MoHern Titan Construction Inc
MoHern Titan Construction Inc
415 North Kenwood St
New on HomeAdvisorNew on Angi
Approved Pro
MoHern Titan Construction Inc
415 North Kenwood St
New on AngiNew on HomeAdvisor
Approved Pro
8 years of experience
Free onsite estimate

At Mohern Titan Construction, we bring over 10 years of experience in construction and home remodeling and new building construction delivering top-quality results with precision and reliability. Our comprehensive services include kitchen and bathroom remodeling, home additions, and more. We prioritize your satisfaction by listening to your needs, providing clear communication, and completing projects on time and within budget. Fully licensed and insured, we ensure your project meets all local codes and regulations. Choose MoHern Titan Construction Inc for a dedicated, customer-centric approach that turns your vision into reality.

At Mohern Titan Construction, we bring over 10 years of experience in construction and home remodeling and new building construction delivering top-quality results with precision and reliability. Our comprehensive services include kitchen and bathroom remodeling, home additions, and more. We prioritize your satisfaction by listening to your needs, providing clear communication, and completing projects on time and within budget. Fully licensed and insured, we ensure your project meets all local codes and regulations. Choose MoHern Titan Construction Inc for a dedicated, customer-centric approach that turns your vision into reality.


Avatar for Green Republic Landscape Design Services
Green Republic Landscape Design Services
P.o Box 5477
4.58(
48
)
Approved Pro
Green Republic Landscape Design Services
P.o Box 5477
4.58(
48
)
Approved Pro
Customers say: Quality work
768 local quotes requested
19 years of experience

Green Republic Landscapes is a premier landscape design-build firm dedicated to transforming outdoor spaces into stunning, functional environments. We specialize in creating customized landscaping solutions that reflect each client's unique vision and lifestyle. Our comprehensive services include: Garden Design and Installation, Expert Planting, Landscape Lighting, Irrigation Systems, Flagstone & Paver Installation and many other high-quality landscaping services. With extensive industry experience and a passion for excellence, GRL delivers results that consistently exceeds expectations. From the initial consultation to the final reveal, we ensure a smooth , enjoyable process-and an outdoor space you'll love for years to come. Let us bring your dream landscape to life. Minimum project investment: $5,000.00

"We couldn't be happier with our backyard project. Motti and Kimberly were just wonderful to work with. They were professional, knowledgeable, friendly, and attentive all throughout the process. They listened to our thoughts and educated us as to all our possibilities. Motti has a wonderful design eye and is so passionate about his work. We were very happy when we used them for the front of our house 4 years ago, this time around for the back, and we would use them again in the future. We recommend them highly."

Janice L on February 2022

Green Republic Landscapes is a premier landscape design-build firm dedicated to transforming outdoor spaces into stunning, functional environments. We specialize in creating customized landscaping solutions that reflect each client's unique vision and lifestyle. Our comprehensive services include: Garden Design and Installation, Expert Planting, Landscape Lighting, Irrigation Systems, Flagstone & Paver Installation and many other high-quality landscaping services. With extensive industry experience and a passion for excellence, GRL delivers results that consistently exceeds expectations. From the initial consultation to the final reveal, we ensure a smooth , enjoyable process-and an outdoor space you'll love for years to come. Let us bring your dream landscape to life. Minimum project investment: $5,000.00

"We couldn't be happier with our backyard project. Motti and Kimberly were just wonderful to work with. They were professional, knowledgeable, friendly, and attentive all throughout the process. They listened to our thoughts and educated us as to all our possibilities. Motti has a wonderful design eye and is so passionate about his work. We were very happy when we used them for the front of our house 4 years ago, this time around for the back, and we would use them again in the future. We recommend them highly."

Janice L on February 2022


Avatar for Alpha Structural, Inc.
Alpha Structural, Inc.
8334 Foothill Blvd
4.67(
231
)
Approved Pro
Alpha Structural, Inc.
8334 Foothill Blvd
4.67(
231
)
Approved Pro
Customers say: Super punctual
488 local quotes requested
33 years of experience

Alpha Structural, Inc. has over 850 years of combined technical experience in Foundation and Hillside Repair. All of our experience is hard-core and down-in-the-trenches – not managed from behind a computer. Our in-house engineers and technicians are among the most experienced in all of Southern California. Alpha Structural, Inc. is the ONLY company in the SOCAL area licensed to ENGINEER and BUILD any type of repair project. That means that you'll work with us through the whole project, not unknown sub-contractors that you didn't hire and cannot control or predict. Alpha Structural, Inc. a licensed, bonded, and insured contractor (license # 663409). We are licensed with the following classifications: A (General Engineering Contractor). B (General Building Contractor). C-8 (Concrete). HIC (Home Improvement Contractor). CALL US NOW FOR AN INSPECTION OR ESTIMATE! (323)258-5482.

"I worked with Alpha once before, and they assisted with a second project 2 years ago which, now finally completed, I'm able to write a review about. Alpha helped with structural plans for windows in a garden level unit in order to prepare the proposal for city approval. Alpha is a big company and it took them a little while to complete everything; however I can certainly say that the engineer and contact people were knowledgeable and thorough. The plans were approved with their help and now that the unit is permitted for occupancy, the windows are a lovely attribute to the space."

Robert N on September 2024

Alpha Structural, Inc. has over 850 years of combined technical experience in Foundation and Hillside Repair. All of our experience is hard-core and down-in-the-trenches – not managed from behind a computer. Our in-house engineers and technicians are among the most experienced in all of Southern California. Alpha Structural, Inc. is the ONLY company in the SOCAL area licensed to ENGINEER and BUILD any type of repair project. That means that you'll work with us through the whole project, not unknown sub-contractors that you didn't hire and cannot control or predict. Alpha Structural, Inc. a licensed, bonded, and insured contractor (license # 663409). We are licensed with the following classifications: A (General Engineering Contractor). B (General Building Contractor). C-8 (Concrete). HIC (Home Improvement Contractor). CALL US NOW FOR AN INSPECTION OR ESTIMATE! (323)258-5482.

"I worked with Alpha once before, and they assisted with a second project 2 years ago which, now finally completed, I'm able to write a review about. Alpha helped with structural plans for windows in a garden level unit in order to prepare the proposal for city approval. Alpha is a big company and it took them a little while to complete everything; however I can certainly say that the engineer and contact people were knowledgeable and thorough. The plans were approved with their help and now that the unit is permitted for occupancy, the windows are a lovely attribute to the space."

Robert N on September 2024

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FAQs for engineer structural projects in Los Angeles, CA

The timeline for basement ceiling modifications spans four to 12 weeks, with the specific duration depending on your chosen method and project complexity. Floor-lowering projects often require more time due to careful excavation and foundation reinforcement processes. 

Weather conditions, permit processing, and unexpected structural discoveries can extend the projected timeline. Most homeowners should prepare for some disruption to normal household activities during critical construction phases.

Converting previously unusable basement space into a functional living area often increases your home's assessed value, which may impact property tax obligations. Tax assessment practices vary significantly between municipalities, with some jurisdictions basing calculations on finished square footage. 

To avoid surprises, contact your local tax assessment office before beginning construction to understand potential tax implications and budget accordingly for any anticipated increases.

Engaging a qualified structural engineer represents an essential first step for any basement ceiling project. These professionals evaluate foundation integrity, soil conditions, and load-bearing requirements to determine feasibility and recommend appropriate approaches. 

Their expertise helps prevent potentially catastrophic structural issues while ensuring compliance with building codes. Although this consultation adds to initial expenses, it provides crucial guidance that may prevent costly mistakes or safety hazards.

Historic or aging properties present unique challenges when modifying basement ceiling heights. Older construction methods, outdated materials, and accumulated settlement issues require specialized assessment. Heritage designations may impose additional restrictions or requirements on modification approaches. 

House-raising often provides advantages for older homes with compromised foundations, as it allows simultaneous foundation repair or replacement during the ceiling height modification process.

While professional contractors must handle all structural modifications, homeowners with appropriate skills may complete certain finishing aspects independently. Tasks potentially suitable for DIY include non-structural elements like painting, trim installation, or basic finishing work. 

However, all excavation, foundation modification, and house-lifting operations require specialized equipment and expertise. Attempting structural work without proper qualifications creates significant safety risks and potential property damage.

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