Home Additions · Los Angeles, CA/Updated June 13, 2026
The Best Home Addition Contractors in Los Angeles, CA
Avoid costly mistakes in your home addition project by hiring skilled contractors. Our rankings highlight the best options in Los Angeles.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent7 companies evaluated
cover story
★ Editor's ChoiceCoronado Construction Company Inc
96Score
Latest update · June 13, 2026: Initial ranking published. 7 Los Angeles-metro home additions businesses evaluated, top 7 ranked by Vetted Score.
Home additions can transform your living space, adding both functionality and value to your property in Los Angeles. However, this type of project often goes awry due to poor planning or hiring the wrong contractor, leading to budget overruns and unsatisfactory results.
To help you avoid these pitfalls, we evaluated seven home addition contractors in the Los Angeles metro area. We considered customer ratings, the volume of reviews, and overall reputation to create a transparent ranking that highlights the best options available.
7home addition contractors evaluated in Los Angeles
4.91average rating across the field
536customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
Our evaluation process involved analyzing the performance of local contractors based on their ratings and review counts. We focused on businesses with a proven track record of customer satisfaction and quality work.
Each contractor was assessed without any paid placements influencing the rankings. Our list is refreshed monthly to reflect the most current data, ensuring you receive accurate and relevant information.
The Vetted Score: six weighted factors
Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%
Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.
With a perfect rating of 5 stars from 103 reviews, Coronado Construction Company Inc excels in home additions. Customers praise their attention to detail and the quality of craftsmanship. They are ideal for homeowners seeking a reliable and experienced contractor. However, their popularity may lead to longer wait times for scheduling.
Pros
Outstanding customer service
High-quality craftsmanship
Extensive experience in home additions
Cons
Longer scheduling times due to high demand
Potentially higher costs
Best forHomeowners looking for reliable and experienced contractors
EAM Development & Construction holds a 5-star rating from 62 reviews, making them a strong choice for home additions. Reviewers commend their competitive pricing and professional approach. They are best for those looking for quality work without breaking the bank. A few reviews mention minor communication issues during the project.
Pros
Competitive pricing
Professional team
Strong customer support
Cons
Occasional communication lapses
Limited project scope for larger additions
Best forBudget-conscious homeowners seeking quality work
A+ Home Additions has earned a 4.8-star rating from 129 reviews. Clients appreciate their innovative designs and quick project turnaround. They excel at creating functional living spaces that enhance home value. However, some customers have noted that project timelines can be ambitious, leading to occasional delays. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is homeowners wanting innovative designs and quick turnarounds. It serves Los Angeles, CA, with $120 to $280 per square foot pricing, and the honest trade-offs are ambitious timelines may lead to delays and higher price points for unique designs.
Pros
Innovative design solutions
Fast project completion
Highly rated by clients
Cons
Ambitious timelines may lead to delays
Higher price points for unique designs
Best forHomeowners wanting innovative designs and quick turnarounds
Service areaLos Angeles, CA
Typical pricing$120 to $280 per square foot
4
Home Addition
★★★★★4.8(109 reviews)
84Score
This home addition contractor has a solid rating of 4.8 stars from 109 reviews. Many clients highlight their reliability and quality of work. While they do well with standard additions, their capacity for larger projects may be limited. Still, they are a dependable choice for smaller to mid-sized home additions.
Pros
Reliable service
Quality workmanship
Good customer relations
Cons
Limited capacity for larger projects
Fewer design options
Best forHomeowners needing reliable service for smaller projects
This contractor also holds a 4.8-star rating, with 98 reviews praising their attention to detail and customer service. They excel in straightforward home additions but may not have the resources for complex projects. Their strong reputation makes them a safe choice for basic expansions. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is homeowners seeking straightforward additions. It serves Los Angeles, CA, with $90 to $240 per square foot pricing, and the honest trade-offs are limited resources for complex projects and fewer innovative designs.
Pros
Attention to detail
Strong customer service
Good reputation
Cons
Limited resources for complex projects
Fewer innovative designs
Best forHomeowners seeking straightforward additions
B West Builders has a 5-star rating from 20 reviews, indicating a strong customer satisfaction rate. Clients appreciate their personalized service and commitment to project quality. However, the thin review base means they are promising but unproven for larger projects. They are best for small to medium-sized additions. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners desiring personalized service for small to medium projects. It serves Los Angeles, CA, with $100 to $250 per square foot pricing, and the honest trade-offs are thin review base and limited experience with large projects.
Pros
Personalized service
High customer satisfaction
Quality workmanship
Cons
Thin review base
Limited experience with large projects
Best forHomeowners desiring personalized service for small to medium projects
Cala Builders has a 5-star rating from 15 reviews, showcasing a high level of client satisfaction. Reviewers mention their efficient work and friendly team. However, with such a small review base, they remain unproven for larger home additions. They are a reasonable option for small projects. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is homeowners needing small project assistance. It serves Los Angeles, CA, with $90 to $230 per square foot pricing, and the honest trade-offs are small review base and limited capacity for large projects.
Pros
Efficient work
Friendly team
High client satisfaction
Cons
Small review base
Limited capacity for large projects
Best forHomeowners needing small project assistance
How to choose a home addition contractor in Los Angeles
Selecting the right contractor for your home addition is critical. Here are key factors to consider to ensure a successful project.
Check Reviews and Ratings
Look for contractors with high ratings and numerous positive reviews. This indicates reliability and quality of work.
Assess Experience with Local Permits
Choose a contractor familiar with Los Angeles regulations and permitting processes to avoid delays and complications.
Request Detailed Estimates
Get multiple quotes that outline costs and timelines. This transparency helps you make informed decisions and manage your budget.
What it costs
What home additions cost in Los Angeles
The cost of home additions in Los Angeles can vary greatly depending on size, complexity, and materials used. Here’s a breakdown of what to expect.
Small Additions (e.g., extra room)$20,000 to $50,000
Medium Additions (e.g., larger living space)$50,000 to $100,000
Large Additions (e.g., guest house or major renovations)$100,000 to $200,000
Luxury Additions (custom design and high-end finishes)$200,000 and up
Frequently asked questions
How much does home addition cost in Los Angeles?
Home addition projects in Los Angeles typically range from $150 to $400 per square foot, depending on the complexity and materials used.
What should I consider when hiring a home addition contractor?
Consider their experience, customer reviews, and whether they have a proven track record with similar projects in your area.
How often is this ranking updated?
We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.
Our verdict
For most Los Angeles homes: <strong>Coronado Construction Company Inc</strong>
Contact Coronado Construction Company Inc first for your home addition needs. If you have a smaller project or prefer a more personalized approach, EAM Development & Construction | General Contractor Los Angeles is an excellent alternative. For larger, complex additions with a strong emphasis on quality craftsmanship, A+ Home Additions may be the right fit.
Cityvetted
