
Get matched with top subcontractors in Altadena, CA
There are 34 highly-rated local subcontractors.
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TRUSTED BY ALTADENA, CA HOMEOWNERS
4.6
Average homeowner rating2.3k+
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Verified Reviews for Subcontracting pros in Altadena, CA
*The Angi rating for Subcontracting companies in Altadena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
*The HomeAdvisor rating for Subcontracting companies in Altadena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
Last update on November 29, 2025
Find Subcontractors in Altadena

Ace Pelizon Plumbing, Heating & Cooling
Ace Pelizon Plumbing, Heating & Cooling
We have 250+ 4.8 star Google Reviews and are proud to be one of the highest rated plumbing companies in San Gabriel Valley. Ace Pelizon Plumbing offers a full range of residential and commercial plumbing services across San Gabriel Valley. With over 80 years of experience, we have earned an excellent reputation among our customers and are more than happy to prove this to you through our comprehensive plumbing solutions. Whether you are in need of simple repairs or complex installation services, Ace Pelizon Plumbing can help. We take pride in our team of highly skilled plumbers that have gone through rigorous training programs as well as, background and drug screening tests for your peace of mind. When you need the highest level of service possible, you can count on us!
"Couldn't have gone better. Joe did the job perfectly. Lots of friendly conversation and explanation of what he was doing. He then explained the bill in detail and was on his way. I definitely would ask for him personally for any plumbing issues I might have in the future."
Craig C on November 2024
We have 250+ 4.8 star Google Reviews and are proud to be one of the highest rated plumbing companies in San Gabriel Valley. Ace Pelizon Plumbing offers a full range of residential and commercial plumbing services across San Gabriel Valley. With over 80 years of experience, we have earned an excellent reputation among our customers and are more than happy to prove this to you through our comprehensive plumbing solutions. Whether you are in need of simple repairs or complex installation services, Ace Pelizon Plumbing can help. We take pride in our team of highly skilled plumbers that have gone through rigorous training programs as well as, background and drug screening tests for your peace of mind. When you need the highest level of service possible, you can count on us!
"Couldn't have gone better. Joe did the job perfectly. Lots of friendly conversation and explanation of what he was doing. He then explained the bill in detail and was on his way. I definitely would ask for him personally for any plumbing issues I might have in the future."
Craig C on November 2024

So Cal Builders & Design Inc
So Cal Builders & Design Inc
So Cal Builders & Design have been helping the homes throughout California look perfect one nail and brick at a time! With the best prices and highest standard of service, we can deliver the kitchen or bathroom of your dreams on time and on budget! Our staff of trained technicians will build your addition or remodel to your specifications; using only the finest quality materials and the most up-to-date building procedures. We also have in house masonry service as well as perform a number of other services such as plumbing, lighting, painting, patios, and much more. Because we do it all ourselves, we eliminate miscommunication, stress and down time. We don’t use outside contractors or fancy gimmicks to get our customers. We combine new and modern building practices with tried and true hard work to deliver a work of art every time and that is why our customers make us #1. Request Your Free Estimate Voice Star: (888) 284-9122.
"I was hired to assist this business with improving their Yelp profile and successfully helped remove a negative review as requested. After completing the work, the client stopped responding and has not released the agreed payment. I put in full effort and delivered what was promised. I hope they will do the right thing and complete their commitment."
Asjad A on November 2025
So Cal Builders & Design have been helping the homes throughout California look perfect one nail and brick at a time! With the best prices and highest standard of service, we can deliver the kitchen or bathroom of your dreams on time and on budget! Our staff of trained technicians will build your addition or remodel to your specifications; using only the finest quality materials and the most up-to-date building procedures. We also have in house masonry service as well as perform a number of other services such as plumbing, lighting, painting, patios, and much more. Because we do it all ourselves, we eliminate miscommunication, stress and down time. We don’t use outside contractors or fancy gimmicks to get our customers. We combine new and modern building practices with tried and true hard work to deliver a work of art every time and that is why our customers make us #1. Request Your Free Estimate Voice Star: (888) 284-9122.
"I was hired to assist this business with improving their Yelp profile and successfully helped remove a negative review as requested. After completing the work, the client stopped responding and has not released the agreed payment. I put in full effort and delivered what was promised. I hope they will do the right thing and complete their commitment."
Asjad A on November 2025
All Temperatures Controlled
All Temperatures Controlled
All Temperatures Controlled is the top choice for quality residential and commercial HVACR services in Chatsworth, Northridge, and the Greater Los Angeles area. Established in 1978, the company handles any size or scope of heating, ventilation, air conditioning, and refrigeration work. From repairs to installation to custom design and build ductwork, All Temperatures Controlled always ensure quality work and lasting results. The company also offers preventative maintenance programs to keep HVAC and refrigeration systems at peak efficiency and performance. Financing options are also available to help home or business owners with budget concerns. Call now to schedule an appointment. For commercial clients that need immediate assistance, All Temperatures Controlled is on-call 24 hours a day, 7 days a week, offering a 2-hour window arrival time to get your business back on track in no time.
"We had ATC take a look at our HVAC system that was not running well. Another company came out and told us the entire installation was wrong and everything had to be replaced, including all ducting. The price was astronomical. They also said that some structural work needed to be done, such as cutting through drywall and the house, which was not included. When Kevin from ATC came out to look, he said the ducting and the heater were just fine. The condenser and coil were old and probably should be replaced but it wasn’t an emergency. He suggested installing a dual controller and an additional return to improve the airflow issue we were having. He also gave us a quote for three options of new condenser/coils, along with financing options. The price was a fraction of the other company and the financing allowed us to do everything now rather than later. John and Kevin came out to do the installation. THEY WERE PHENOMENAL! They arrived on time, were so pleasant to speak with, were exceptionally patient with all our questions, were extremely knowledgeable about HVAC and split systems, were neat and clean, and did an extremely professional job of installation. That included all the drywall work that was necessary! And the improvement we received was unbelievable! Every room in the house was immediately receiving excellent airflow! We really thought we were in trouble, but these guys made sure we got all the cooling/heating we needed throughout the house with as little cost to us as possible. I would highly recommend the company and would especially recommend John and Kevin. They also fixed a split unit that wasn’t working. They can do it all!! Love these guys!"
Sandy T on March 2025
All Temperatures Controlled is the top choice for quality residential and commercial HVACR services in Chatsworth, Northridge, and the Greater Los Angeles area. Established in 1978, the company handles any size or scope of heating, ventilation, air conditioning, and refrigeration work. From repairs to installation to custom design and build ductwork, All Temperatures Controlled always ensure quality work and lasting results. The company also offers preventative maintenance programs to keep HVAC and refrigeration systems at peak efficiency and performance. Financing options are also available to help home or business owners with budget concerns. Call now to schedule an appointment. For commercial clients that need immediate assistance, All Temperatures Controlled is on-call 24 hours a day, 7 days a week, offering a 2-hour window arrival time to get your business back on track in no time.
"We had ATC take a look at our HVAC system that was not running well. Another company came out and told us the entire installation was wrong and everything had to be replaced, including all ducting. The price was astronomical. They also said that some structural work needed to be done, such as cutting through drywall and the house, which was not included. When Kevin from ATC came out to look, he said the ducting and the heater were just fine. The condenser and coil were old and probably should be replaced but it wasn’t an emergency. He suggested installing a dual controller and an additional return to improve the airflow issue we were having. He also gave us a quote for three options of new condenser/coils, along with financing options. The price was a fraction of the other company and the financing allowed us to do everything now rather than later. John and Kevin came out to do the installation. THEY WERE PHENOMENAL! They arrived on time, were so pleasant to speak with, were exceptionally patient with all our questions, were extremely knowledgeable about HVAC and split systems, were neat and clean, and did an extremely professional job of installation. That included all the drywall work that was necessary! And the improvement we received was unbelievable! Every room in the house was immediately receiving excellent airflow! We really thought we were in trouble, but these guys made sure we got all the cooling/heating we needed throughout the house with as little cost to us as possible. I would highly recommend the company and would especially recommend John and Kevin. They also fixed a split unit that wasn’t working. They can do it all!! Love these guys!"
Sandy T on March 2025

Just Be Cool Supply LLC
Just Be Cool Supply LLC
We specialize in residential and light commercial HVAC equipment, installation, and repair and maintenance. Over 11 years experience.
"The work that was done by this Business was beyond my families expectations. Sat down and talked with us about the best options of units to choose from. That right there built the trust and this why he is our go to guy and highly recommended to our friends and family !!! Thanks for your service to the community and my family !"
Dominique U on November 2024
We specialize in residential and light commercial HVAC equipment, installation, and repair and maintenance. Over 11 years experience.
"The work that was done by this Business was beyond my families expectations. Sat down and talked with us about the best options of units to choose from. That right there built the trust and this why he is our go to guy and highly recommended to our friends and family !!! Thanks for your service to the community and my family !"
Dominique U on November 2024

Sentri Homes
Sentri Homes
Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.
Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Legacy Home Builders, Inc.
Legacy Home Builders, Inc.
A Family Tradition since 1934. Here at Legacy Home Builders, we truly are a family business. As a third generation contractor, we pride ourselves on quality work at a fair price. We specialize in additions, kitchen and bath remodeling, roofing and siding, pavers and concrete, as well as custom home building. Call us today for your free consultation.
A Family Tradition since 1934. Here at Legacy Home Builders, we truly are a family business. As a third generation contractor, we pride ourselves on quality work at a fair price. We specialize in additions, kitchen and bath remodeling, roofing and siding, pavers and concrete, as well as custom home building. Call us today for your free consultation.

Oshri Construction
Oshri Construction
**Call us today for a FREE ESTIMATE!** With over 30 years of experience, you're going to fall in love with our craftsmanship and design of your project. We specialize in New Construction, Gazebo Building, Custom Home Building, Home Renovation, Construction & Remodeling.
"They did an excellent job. The quality is outstanding. They pay attention to every little detail. They were very friendly, and accommodating to our wishes. They were very punctual, hard working, and cleaned up after each day. The kept the dust down to a minimum to the rest of the house. I can highly recommend Oshri Construction for anyone's next project."
Joe L on November 2020
**Call us today for a FREE ESTIMATE!** With over 30 years of experience, you're going to fall in love with our craftsmanship and design of your project. We specialize in New Construction, Gazebo Building, Custom Home Building, Home Renovation, Construction & Remodeling.
"They did an excellent job. The quality is outstanding. They pay attention to every little detail. They were very friendly, and accommodating to our wishes. They were very punctual, hard working, and cleaned up after each day. The kept the dust down to a minimum to the rest of the house. I can highly recommend Oshri Construction for anyone's next project."
Joe L on November 2020

Evolution Contracting
Evolution Contracting
Everything that has to do with a house, including maintenance changes, fixtures, installation and demolition I can do. Not only that I have experience with landscaping And I carry all the equipment that is necessary to complete a job that is Critical or easy to do.
"Great, he arrived on time, got to work immediately, and cleaned up when he was done. Great job Ulesis!"
Tim D on December 2024
Everything that has to do with a house, including maintenance changes, fixtures, installation and demolition I can do. Not only that I have experience with landscaping And I carry all the equipment that is necessary to complete a job that is Critical or easy to do.
"Great, he arrived on time, got to work immediately, and cleaned up when he was done. Great job Ulesis!"
Tim D on December 2024

B.K. Electric Services
B.K. Electric Services
Welcome to B.K. Electric Services Inc, Licensed Los Angeles Electricians. Honest,reliable, professional electricians, where superb customer service, competitive prices and most importantly friendly services is our #1 Priority! We provide Residential, Commercial and Industrial electrical services all over the Los Angeles, Orange County and San Fernando Valley areas. Our company has become a household name around the Los Angeles area. We have built many relationships with our residential customers, celebrities, public figures, small retailers and large department stores. We work closely with DWP, Edison and the Department of Building and safety to ensure that your work is being done up to the city codes. From the estimate to pulling the permits we will handle everything for your electrical project from A-Z. We offer absolutely free estimates always! Additional phone number - (310) 430-2300. Additional DBAs - B K Electric Services, B K Electric Services Inc, BK Electric Service, BK Electric Services. Family owned & operated
"Took a long time and they weren't able to do the other job and will need to contact again"
Sharyn C on October 2025
Welcome to B.K. Electric Services Inc, Licensed Los Angeles Electricians. Honest,reliable, professional electricians, where superb customer service, competitive prices and most importantly friendly services is our #1 Priority! We provide Residential, Commercial and Industrial electrical services all over the Los Angeles, Orange County and San Fernando Valley areas. Our company has become a household name around the Los Angeles area. We have built many relationships with our residential customers, celebrities, public figures, small retailers and large department stores. We work closely with DWP, Edison and the Department of Building and safety to ensure that your work is being done up to the city codes. From the estimate to pulling the permits we will handle everything for your electrical project from A-Z. We offer absolutely free estimates always! Additional phone number - (310) 430-2300. Additional DBAs - B K Electric Services, B K Electric Services Inc, BK Electric Service, BK Electric Services. Family owned & operated
"Took a long time and they weren't able to do the other job and will need to contact again"
Sharyn C on October 2025

Around The Clock Heating & Air Conditioning Inc
Around The Clock Heating & Air Conditioning Inc
Established in 1967, Around the Clock Air Conditioning and Heating, Inc. is a licensed, bonded, and insured Lennox Premier Dealer.. Over the last four decades we have grown into a full service Lennox dealership offering not only installation, but also service & repair, planned preventive maintenance, engineering, design & build installations and a host of other air management capabilities for a wide range of residential heating and air conditioning projects. Lennox Premier dealer. 100% Satisfaction Guaranteed. Additional phones - (818) 506-4400, (310) 274-5525 , (800) 434-9277 . Additional fax - (818) 989-7676. Additional DBAs - Around the Clock Heating A/C & Refrigeration, Around the Clock Refrigeration Service, Around The Clock Appliance Service, Around the Clock H V A C & Appliance Service.
"It was very fast service. He showed me how to change the filter which I had never done. It's hard to get to. He was very pleasant and the company very resonable."
Julie Z on September 2024
Established in 1967, Around the Clock Air Conditioning and Heating, Inc. is a licensed, bonded, and insured Lennox Premier Dealer.. Over the last four decades we have grown into a full service Lennox dealership offering not only installation, but also service & repair, planned preventive maintenance, engineering, design & build installations and a host of other air management capabilities for a wide range of residential heating and air conditioning projects. Lennox Premier dealer. 100% Satisfaction Guaranteed. Additional phones - (818) 506-4400, (310) 274-5525 , (800) 434-9277 . Additional fax - (818) 989-7676. Additional DBAs - Around the Clock Heating A/C & Refrigeration, Around the Clock Refrigeration Service, Around The Clock Appliance Service, Around the Clock H V A C & Appliance Service.
"It was very fast service. He showed me how to change the filter which I had never done. It's hard to get to. He was very pleasant and the company very resonable."
Julie Z on September 2024
The Altadena, CA homeowners’ guide to subcontracting services
From average costs to expert advice, get all the answers you need to get your job done.

The cost to install a C-wire ranges based on materials and labor, but it only takes an hour or two. Here’s a guide on the project costs to expect.

Whether you’re shopping for a new home or simply doing a safety check on your current place, learn what factors influence an electrical inspection cost.

The cost to install a 220v outlet will depend on factors such as what type of 220v outlet you need and other key factors you can learn about in this cost guide.

Having dependable electricity is more than just a convenience—it’s a necessity. Here’s when to hire an electrician to keep your home up and running, safely.

Learn a new skill and find out how to wire a light switch (safely) in your own home. This is one project that’s sure to light up your day.

Do you need a lightning rod for your house? Lightning rods can be a handy weather safety tool, but not everyone needs them. See all the details here.
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