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Verified Reviews for Structural Engineering pros in Middletown, CA
*The Angi rating for Structural Engineering companies in Middletown, 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 Middletown, 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 24, 2025
Find Structural engineers in Middletown
SMC Structural Engineering
SMC Structural Engineering
Structural Engineering for residential remodels, new construction, and structural evaluations and consultations
Structural Engineering for residential remodels, new construction, and structural evaluations and consultations

RestoreX, LLC
RestoreX, LLC
RestoreX, LLC is a locally owned and operated Disaster Restoration Company specializing in water damage and flood removal, sewage cleanup, fire/smoke/odor cleaning services, mold inspections and mitigation for both residential and commercial properties. If you have any one of the following issues or any others please reach out for immediate assistance: Water damage Fire damage Water leak Flood Flooding Basement or crawlspace flood Roof leak Mold Extraction Wall and carpet drying Water leak Fire, smoke and odor cleanup Crawlspace moisture barriers Commercial water damage Direct insurance billing Work with all insurance companies Free inspections 24/7 Call or text: 844-MADEWHOLE (844-623-3936) Price beat guarantee! Immediate response 24/7!! http://restorex.biz
"Vendor was very responsive and professional."
JOHN L on August 2022
RestoreX, LLC is a locally owned and operated Disaster Restoration Company specializing in water damage and flood removal, sewage cleanup, fire/smoke/odor cleaning services, mold inspections and mitigation for both residential and commercial properties. If you have any one of the following issues or any others please reach out for immediate assistance: Water damage Fire damage Water leak Flood Flooding Basement or crawlspace flood Roof leak Mold Extraction Wall and carpet drying Water leak Fire, smoke and odor cleanup Crawlspace moisture barriers Commercial water damage Direct insurance billing Work with all insurance companies Free inspections 24/7 Call or text: 844-MADEWHOLE (844-623-3936) Price beat guarantee! Immediate response 24/7!! http://restorex.biz
"Vendor was very responsive and professional."
JOHN L on August 2022
RSCO, Inc
RSCO, Inc
We are a 35 year old Engineering / Construction Company. With the ability to help in all your engineering, planning, construction and management needs. Large or small projects.
We are a 35 year old Engineering / Construction Company. With the ability to help in all your engineering, planning, construction and management needs. Large or small projects.

Mashiach Exploration LLC
Mashiach Exploration LLC
Mashiach Exploration LLC is committed to our clients success. Our over 30 years of experience will lead your project needs from Permitting, Surveying, Planning, Engineering, Geological investigations, Modeling, Quality control, to Reclamation.
Mashiach Exploration LLC is committed to our clients success. Our over 30 years of experience will lead your project needs from Permitting, Surveying, Planning, Engineering, Geological investigations, Modeling, Quality control, to Reclamation.

A&E Associated
A&E Associated
A&E has been in business for more than 40 years serving Northern California and all parts of the country. A&E provides both architectural and engineering services. A&E is one of only a handful of people in the state that is both architect and structural engineer. Well experienced in residential, commercial, industrial, educational and agricultural buildings.
A&E has been in business for more than 40 years serving Northern California and all parts of the country. A&E provides both architectural and engineering services. A&E is one of only a handful of people in the state that is both architect and structural engineer. Well experienced in residential, commercial, industrial, educational and agricultural buildings.
Romanazzi General Engineering
Romanazzi General Engineering
Romanazzi General Engineering specializes in full turn key site work packages. We strive to complete our clients projects ahead of schedule and always on budget. always including nothing less than the upmost quality and workmanship. we will get your project done and do it right the first time, so that you can have the piece of mind that you hired the right contractor for the job. Our services range from small backyard projects including patios, sidewalks, large shops and garages, to Big residential foundations as well as commercial and industrial jobs.
Romanazzi General Engineering specializes in full turn key site work packages. We strive to complete our clients projects ahead of schedule and always on budget. always including nothing less than the upmost quality and workmanship. we will get your project done and do it right the first time, so that you can have the piece of mind that you hired the right contractor for the job. Our services range from small backyard projects including patios, sidewalks, large shops and garages, to Big residential foundations as well as commercial and industrial jobs.
Fielden Engineering Group
Fielden Engineering Group
Fielden Engineering Group has been the premiere engineering consultant in Lancaster and surrounding cities since 1990! We specialize in civil and structural engineering with a focus on all types of properties including commercial, residential, and industrial products. Our engineering and CAD design is top notch to help guide you to a successful project build. With quality drafting services, you can focus on the project at hand, whether it's a new church, room addition, or something completely custom! We also specialize in land planning to help with zoning protocol, site plan reviews, and processing conditional use permits. Licensed since 1980 and fully insured; we are also a registered civil engineer in the State of CA. #RCE31660 Weekend appointments are available upon request! Call us today!
Fielden Engineering Group has been the premiere engineering consultant in Lancaster and surrounding cities since 1990! We specialize in civil and structural engineering with a focus on all types of properties including commercial, residential, and industrial products. Our engineering and CAD design is top notch to help guide you to a successful project build. With quality drafting services, you can focus on the project at hand, whether it's a new church, room addition, or something completely custom! We also specialize in land planning to help with zoning protocol, site plan reviews, and processing conditional use permits. Licensed since 1980 and fully insured; we are also a registered civil engineer in the State of CA. #RCE31660 Weekend appointments are available upon request! Call us today!
Cullumber Engineering
Cullumber Engineering
Cullumber Engineering is a civil engineering firm specializing in the structural design of transportation, residential and commercial structures. Over the years Cullumber Engineering has built strong relationships with homeowners, contractors, building officials, and state and local governments. We are a structural engineering company founded on ambition and integrity which aims to teach, motivate, and inspire those around us.
Cullumber Engineering is a civil engineering firm specializing in the structural design of transportation, residential and commercial structures. Over the years Cullumber Engineering has built strong relationships with homeowners, contractors, building officials, and state and local governments. We are a structural engineering company founded on ambition and integrity which aims to teach, motivate, and inspire those around us.
RYAKT
RYAKT
RYAKT is a pre-construction and construction company. We provide catastrophic disaster services including insurance claim processing, design and engineering and construction for residential and light commercial clients.
RYAKT is a pre-construction and construction company. We provide catastrophic disaster services including insurance claim processing, design and engineering and construction for residential and light commercial clients.
The Middletown, CA homeowners’ guide to structural engineering services
From average costs to expert advice, get all the answers you need to get your job done.

Looking to remove load-bearing walls and vertical supports to open up your living space? Learn about what affects the cost to install an LVL beam.

A new steel I-beam is more durable than a wooden one. Learn what factors can affect steel I-beam installation costs and how to budget for this project.

A damaged main support beam can cause serious structural damage to your house. Learn how much it costs to replace a main house support beam.

Steel beams are critical framing components that support your house. Learn about steel beam sizes and how to determine what size steel beam you need.

Before removing a wall, make sure it’s not load-bearing. Learn the benefits of hiring a structural engineer to check if a wall is load-bearing.

Before you can start a major remodel, you need to know how to tell if a wall is load-bearing. Learn what a load-bearing wall is and how to identify one.
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