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TRUSTED BY ALTA LOMA, CA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon19
    Verified structural engineering services reviews

Verified Reviews for Structural Engineering pros in Alta Loma, CA

*The Angi rating for Structural Engineering companies in Alta Loma, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

*The HomeAdvisor rating for Structural Engineering companies in Alta Loma, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

Last update on October 25, 2025

Find Structural engineers in Alta Loma

Avatar for Alpha Omega

Alpha Omega

12940 Excalibur Drive
4.63(
75
)
•Approved Pro

Alpha Omega

12940 Excalibur Drive
4.63(
75
)
•Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
62 local quotes requested

Alpha Omega is a full engineering firm and full service provider of residential and commercial construction with a reputation for complete customer satisfaction and on time, on budget completion of a wide variety of construction projects. With years of experience serving our clients throughout Inland Empire area, Alpha Omega has developed a reputation for intelligent design, creative problem solving, and an uncompromising commitment to professionalism, and integrity, that has made us one of the areas most respected and in demand general contractors and engineering firm. Whether working directly with our end customers, or contracted through an intermediary architectural engineering firm, we have the capability to faithfully execute your plans or provide design and build services as required.

"."

Nissa G on May 2025

Alpha Omega is a full engineering firm and full service provider of residential and commercial construction with a reputation for complete customer satisfaction and on time, on budget completion of a wide variety of construction projects. With years of experience serving our clients throughout Inland Empire area, Alpha Omega has developed a reputation for intelligent design, creative problem solving, and an uncompromising commitment to professionalism, and integrity, that has made us one of the areas most respected and in demand general contractors and engineering firm. Whether working directly with our end customers, or contracted through an intermediary architectural engineering firm, we have the capability to faithfully execute your plans or provide design and build services as required.

"."

Nissa G on May 2025

PSNE ENGINEERING

630 S District Way
5.00(
2
)

PSNE ENGINEERING

630 S District Way
5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

PSNE ENGINEERING is a consultation and design firm specializing in residential and mid-sized commercial structures. Our licensed and experienced team of structural engineers and architects will ensure your project is safe and cost efficient. Our team will work directly with you, helping to bring your vision into reality. Our team's extensive knowledge of building and zoning regulations will make the permit process easy and time efficient, helping to reduce unnecessary fees and obtain construction permits in record time. Our in-house developed analysis and design software will limit the use of unnecessary structural material and substantially bring down the construction cost and time. Our one stop shop service guarantees an unbeatable rate. We stand by our cost saving guarantee and offer a price match policy. Our services include: Custom Home Design New Construction 1st and 2nd Floor Addition Garage Conversion Attached/Detached ADU Retaining Wall/ Property Wall Tenant Improvements Solar Panel Attachment Cover Patio Raised Decks/Balconies Bearing Wall Removal Shear Wall Removal Foundation Design Seismic Retrofit Title 24 Energy Calculations Structural Calculations Structural Inspection As-Built Study 3D Renderings Permit Acquisition Cost Estimation

"I recently had the pleasure of working with PSNE for a second-story addition to my home, and I must say, I am thoroughly impressed with their services. The project was completed about three months ago, and I couldn't be happier with the outcome. From the initial consultation to the final touches, PSNE exhibited professionalism and expertise at every step of the process. Despite the complexity of the project, they managed to deliver exceptional results within the agreed timeframe and budget of $8,000. What stood out to me the most was their straightforward approach. PSNE communicated clearly and effectively throughout the project, addressing any concerns or questions I had promptly. Everything was efficient, organized, and dedicated to ensuring that the job was done to perfection. Overall, my experience with PSNE was outstanding. They provided top-notch service, delivering a high-quality product that exceeded my expectations. I highly recommend PSNE to anyone in need of structural engineering services. They are a reliable and trustworthy company that gets the job done quickly and efficiently."

Yahya S on March 2024

PSNE ENGINEERING is a consultation and design firm specializing in residential and mid-sized commercial structures. Our licensed and experienced team of structural engineers and architects will ensure your project is safe and cost efficient. Our team will work directly with you, helping to bring your vision into reality. Our team's extensive knowledge of building and zoning regulations will make the permit process easy and time efficient, helping to reduce unnecessary fees and obtain construction permits in record time. Our in-house developed analysis and design software will limit the use of unnecessary structural material and substantially bring down the construction cost and time. Our one stop shop service guarantees an unbeatable rate. We stand by our cost saving guarantee and offer a price match policy. Our services include: Custom Home Design New Construction 1st and 2nd Floor Addition Garage Conversion Attached/Detached ADU Retaining Wall/ Property Wall Tenant Improvements Solar Panel Attachment Cover Patio Raised Decks/Balconies Bearing Wall Removal Shear Wall Removal Foundation Design Seismic Retrofit Title 24 Energy Calculations Structural Calculations Structural Inspection As-Built Study 3D Renderings Permit Acquisition Cost Estimation

"I recently had the pleasure of working with PSNE for a second-story addition to my home, and I must say, I am thoroughly impressed with their services. The project was completed about three months ago, and I couldn't be happier with the outcome. From the initial consultation to the final touches, PSNE exhibited professionalism and expertise at every step of the process. Despite the complexity of the project, they managed to deliver exceptional results within the agreed timeframe and budget of $8,000. What stood out to me the most was their straightforward approach. PSNE communicated clearly and effectively throughout the project, addressing any concerns or questions I had promptly. Everything was efficient, organized, and dedicated to ensuring that the job was done to perfection. Overall, my experience with PSNE was outstanding. They provided top-notch service, delivering a high-quality product that exceeded my expectations. I highly recommend PSNE to anyone in need of structural engineering services. They are a reliable and trustworthy company that gets the job done quickly and efficiently."

Yahya S on March 2024

Avatar for Merco Earthmoving and Paving

Merco Earthmoving and Paving

No reviews yet

Merco Earthmoving and Paving

No reviews yet
6 years of experience

Merco Earthmoving and Paving is a small owner operated business that has been committed to providing customers with the very best in paving and construction. From driveways to backyards and anything in between, we can help to ensure that your property is the best year-round. Any job big or small, we do it all.

Merco Earthmoving and Paving is a small owner operated business that has been committed to providing customers with the very best in paving and construction. From driveways to backyards and anything in between, we can help to ensure that your property is the best year-round. Any job big or small, we do it all.

Avatar for Quality Fiberglass Repair LLC

Quality Fiberglass Repair LLC

205 West 4th Street
No reviews yet

Quality Fiberglass Repair LLC

205 West 4th Street
No reviews yet
Free onsite estimate

At Quality Fiberglass we Offer Repair, Restoration, and Fabrication services on any RV, Boat, or Autombile along side many Home Improvement and Repair services. Home Improvement and Repair Services ~ Pool and Spa Repair and Resurfacing ~ Vinyl Pool Liner Instalation and Replacement ~ Pool / Water Slide Repair, Resurfacing, and Custom Fabrication ~ Custom Fountains, Fish Tanks, and Koi Ponds ~ Composit and Fiberglass Furniture, Sculpture, and Art Repair Custom Fabrication ~ Bathroom and Closet Remodels and Custom Fabrication We are a small family owned and operated business with three generations of trade experience and expertise. Our goal is to provide our community with exceptional products that have lasting value. We attain this goal by providing services, sourcing materials, and building products with Integrity, Excellence, and Creativity.

At Quality Fiberglass we Offer Repair, Restoration, and Fabrication services on any RV, Boat, or Autombile along side many Home Improvement and Repair services. Home Improvement and Repair Services ~ Pool and Spa Repair and Resurfacing ~ Vinyl Pool Liner Instalation and Replacement ~ Pool / Water Slide Repair, Resurfacing, and Custom Fabrication ~ Custom Fountains, Fish Tanks, and Koi Ponds ~ Composit and Fiberglass Furniture, Sculpture, and Art Repair Custom Fabrication ~ Bathroom and Closet Remodels and Custom Fabrication We are a small family owned and operated business with three generations of trade experience and expertise. Our goal is to provide our community with exceptional products that have lasting value. We attain this goal by providing services, sourcing materials, and building products with Integrity, Excellence, and Creativity.

Avatar for S&R Design

S&R Design

5632 Van Nuys Blvd #235
No reviews yet

S&R Design

5632 Van Nuys Blvd #235
No reviews yet
9 years of experience

Residential and commercial design, engineering and permit processing for projects in Southern California. New construction / additions and remodels / ADU new and converted / single-family and multi-family / retaining walls and grading / planning department approvals / tenant improvement and change of use. Located in the heart of Van Nuys, project geography spanning from Oxnard to Joshua Tree, from Victorville to Mission Viejo, with other selected remote locations.

Residential and commercial design, engineering and permit processing for projects in Southern California. New construction / additions and remodels / ADU new and converted / single-family and multi-family / retaining walls and grading / planning department approvals / tenant improvement and change of use. Located in the heart of Van Nuys, project geography spanning from Oxnard to Joshua Tree, from Victorville to Mission Viejo, with other selected remote locations.

Avatar for Katz Design & Builders Inc

Katz Design & Builders Inc

10313 Los Alamitos Blvd
4.00(
4
)

Katz Design & Builders Inc

10313 Los Alamitos Blvd
4.00(
4
)
35 years of experience

Remodel and Build Luxury Custom Homes Each home that we build/remodel/add on to, is unique and special, one of a kind, site specific, design through construction. Our clients know that we are there long after the home is finished History Established in 1990. Custom Home Builder / Remodeler/ Additions / Renovations Katz Builders, Inc., Custom Builders & Remodelers has earned a reputation for building Orange County & Los Angeles finest homes since 1990 The Katz Team is recognized for being a leader in building and remodeling of high performance luxury homes. The Team takes pride in building each home and is committed to outstanding customer satisfaction.

"KATZ DESIGN & BUILDERS 10313 Los Alamitos Blvd, Los Alamitos, ca 90720 Rating 1 * for a WRITTEN and SIGNED contract of $13,000, the bill changed to $14,835. Stay away from KATZ DESIGN & BUILDERS in LOS ALAMITOS. I would give it a zero star if that was an option. Most dishonest company we have ever hired. Our kids’ house needed to have a fire pit filled in. KATZ sent an employee named VAL in person to discuss of the work that needed to be done. VAL wrote a contract which we agreed upon, of the amount of $13,000. Mid way through the project, VAL sounded very upset and told us that he must charge us $1,835 more if we want the job finished. Val then gave us a new invoice, a total of $14,835. We were 7 hrs away on a car trip. VAL actually asked us to leave him a positive 5* rating, after jacking the cost of the job up considerably. Furthermore, one worker brought while working at the site. We got back the next day, contacted the KATZ office and spoke to CHERYL who acted completely surprised that VAL has given us a contract with the extra charge. CHERYL indicated that she would talk to the PRESIDENT and VAL to straighten everything out. We then received a PDF file, written by the PRESIDENT and VAL , indicating that our kids’ house would have a MECHANIC’S LIEN placed on it we did not acquiesce and pay the additional amount. We are retirees but for nearly 30 yrs, we too had business where we never advertised and never had to. Business came to us by word of mouth and a sterling reputation. If we were to have run our business as dishonest as KATZ DESIGN & BUILDERS appeared to have been, we would have been out of business. We heartily do NOT RECOMMEND KATZ DESIGN & BUILDERS, AS THEY ARE THE MOST DISHONEST COMPANY."

Kelly B on July 2025

Remodel and Build Luxury Custom Homes Each home that we build/remodel/add on to, is unique and special, one of a kind, site specific, design through construction. Our clients know that we are there long after the home is finished History Established in 1990. Custom Home Builder / Remodeler/ Additions / Renovations Katz Builders, Inc., Custom Builders & Remodelers has earned a reputation for building Orange County & Los Angeles finest homes since 1990 The Katz Team is recognized for being a leader in building and remodeling of high performance luxury homes. The Team takes pride in building each home and is committed to outstanding customer satisfaction.

"KATZ DESIGN & BUILDERS 10313 Los Alamitos Blvd, Los Alamitos, ca 90720 Rating 1 * for a WRITTEN and SIGNED contract of $13,000, the bill changed to $14,835. Stay away from KATZ DESIGN & BUILDERS in LOS ALAMITOS. I would give it a zero star if that was an option. Most dishonest company we have ever hired. Our kids’ house needed to have a fire pit filled in. KATZ sent an employee named VAL in person to discuss of the work that needed to be done. VAL wrote a contract which we agreed upon, of the amount of $13,000. Mid way through the project, VAL sounded very upset and told us that he must charge us $1,835 more if we want the job finished. Val then gave us a new invoice, a total of $14,835. We were 7 hrs away on a car trip. VAL actually asked us to leave him a positive 5* rating, after jacking the cost of the job up considerably. Furthermore, one worker brought while working at the site. We got back the next day, contacted the KATZ office and spoke to CHERYL who acted completely surprised that VAL has given us a contract with the extra charge. CHERYL indicated that she would talk to the PRESIDENT and VAL to straighten everything out. We then received a PDF file, written by the PRESIDENT and VAL , indicating that our kids’ house would have a MECHANIC’S LIEN placed on it we did not acquiesce and pay the additional amount. We are retirees but for nearly 30 yrs, we too had business where we never advertised and never had to. Business came to us by word of mouth and a sterling reputation. If we were to have run our business as dishonest as KATZ DESIGN & BUILDERS appeared to have been, we would have been out of business. We heartily do NOT RECOMMEND KATZ DESIGN & BUILDERS, AS THEY ARE THE MOST DISHONEST COMPANY."

Kelly B on July 2025

guilherme engineering

No reviews yet

guilherme engineering

No reviews yet
15 years of experience

we perform concrete work, structural and flat work. drive ways, curb and gutter, etc. also under ground utilities such as water, sewer, and gas. we are a small owner operated company and take pride in every job.

we perform concrete work, structural and flat work. drive ways, curb and gutter, etc. also under ground utilities such as water, sewer, and gas. we are a small owner operated company and take pride in every job.

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Structural Engineering questions, answered by experts

Precast concrete can be reinforced with rebar, wire mesh, or other materials to improve its strength and add stability. Precast concrete for large construction projects is often pre-stressed as well for greater structural strength. Reinforced concrete is durable and strong, making it an ideal choice for many construction projects.

Through detailed analysis of load paths, materials, and existing damages.

In framing, studs are placed at 16-inch intervals to coincide with the typical spacing of wall materials such as drywall or plywood. This spacing is called "on-center" and is necessary for maintaining structural stability and efficient use of materials. The 16-inch spacing also helps to distribute the weight evenly across the building's structure. For those looking to cut material costs and improve energy efficiency, 24-inch stud spacing can be employed through a method called "advanced framing". This requires careful planning and adherence to local building codes to ensure structural integrity.

Yes, an LVL beam is more affordable than the cost of a steel I-beam, totaling between $50 and $200 per linear foot as opposed to the $100 to $400 per linear foot you’d pay for a steel I-beam. Not only is the wood material more affordable than steel, but it’s also more similar to traditional wooden beams and doesn’t require as much retrofitting to connect joists.

No, beams are the primary load-bearers for flooring or roofing systems, and they distribute the weight of the structure to your foundational supports, while joists bear far less weight and distribute their loads to the beams. Beams are usually thicker and longer, and they have support posts or foundation walls beneath them for support.

The Alta Loma, CA homeowners’ guide to structural engineering services

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