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Avatar for Hamilton Electric

Hamilton Electric

4.97(
54
)
Approved Pro

Hamilton Electric

4.97(
54
)
Approved Pro
Super Service Award
Customers say: True professional
2 years of experience
Free onsite estimate

Hamilton Electric is a trusted electrical contractor serving residential, commercial, and industrial clients across the Bay and surrounding areas With over 15 years of experience, our licensed electricians specialize in electrical repairs, installations, panel upgrades, lighting solutions, EV charger installations, and energy-efficient retrofits. Whether you're building a new home or upgrading an office, we deliver reliable, code-compliant service on time and on budget. We proudly serve Oakley Ca and surrounding areas and are known for our commitment to safety, transparency, and customer satisfaction. Looking for an affordable electrician near you? Call Hamilton Electric—your local electrical contractor for expert service and competitive pricing.

"Very knowledgeable. Originally our new wall oven would not work due to some issues with the electrical. Brian Hamilton was able to converse with the oven installers and get the oven working. I highly recommend Hamilton Electric and would use them again. While on site Brian also replaced a wall switch that regulates the light, exhaust fan and heat. In the past people have had to cut through the outside hallway wall to have room to replace the switch. and than plaster the hallway wall. Brian replaced that switch in less than 15 minutes."

_ P on November 2025

Hamilton Electric is a trusted electrical contractor serving residential, commercial, and industrial clients across the Bay and surrounding areas With over 15 years of experience, our licensed electricians specialize in electrical repairs, installations, panel upgrades, lighting solutions, EV charger installations, and energy-efficient retrofits. Whether you're building a new home or upgrading an office, we deliver reliable, code-compliant service on time and on budget. We proudly serve Oakley Ca and surrounding areas and are known for our commitment to safety, transparency, and customer satisfaction. Looking for an affordable electrician near you? Call Hamilton Electric—your local electrical contractor for expert service and competitive pricing.

"Very knowledgeable. Originally our new wall oven would not work due to some issues with the electrical. Brian Hamilton was able to converse with the oven installers and get the oven working. I highly recommend Hamilton Electric and would use them again. While on site Brian also replaced a wall switch that regulates the light, exhaust fan and heat. In the past people have had to cut through the outside hallway wall to have room to replace the switch. and than plaster the hallway wall. Brian replaced that switch in less than 15 minutes."

_ P on November 2025


"We hire Geico Builder to handle our home renovation, including updates to the kitchen and bathroom, and the whole experience was fantastic. The team was professional, organized, and easy to communicate with from start to finish. They showed great attention to detail, stayed on schedule, and made sure everything turned out exactly how we envisioned it. Our kitchen looks stunning, the new bathroom layout is so much more functional, and the bedrooms feel brand new. It's rare to find contractors who combine quality work with honesty and reliability, but Geico Builders delivered on all fronts. Highly recommend them for any home remodeling project."

Megan A on November 2025

Geico Builders specializes in reliable home remodeling backed by accountability, skilled craftsmanship, training and a workmanship warranty you can trust. Our most upstanding quality is excellent service we provide to our customers.

"We hire Geico Builder to handle our home renovation, including updates to the kitchen and bathroom, and the whole experience was fantastic. The team was professional, organized, and easy to communicate with from start to finish. They showed great attention to detail, stayed on schedule, and made sure everything turned out exactly how we envisioned it. Our kitchen looks stunning, the new bathroom layout is so much more functional, and the bedrooms feel brand new. It's rare to find contractors who combine quality work with honesty and reliability, but Geico Builders delivered on all fronts. Highly recommend them for any home remodeling project."

Megan A on November 2025


Avatar for Smart Window Cleaning

Smart Window Cleaning

4.62(
222
)
Approved Pro

Smart Window Cleaning

4.62(
222
)
Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
53 years of experience

Smart Window Cleaning and Home Services are residential window cleaning and home service specialists since 1973 offering gutter cleaning, power washing and move in or out house cleaning as well as window cleaning. We are Diamond Certified and have been rated #1 by Consumer Checkbook Magazine in the Bay Area and for the last 9 years

"I appreciate the reasonable rates for a comprehensive and extensive window and screen cleaning. Wellington went straight to work and provided a thorough cleaning of windows, sliding glass doors and skylights and screens. Thank you Smart Window Cleaning!"

Marlene P on April 2025

Smart Window Cleaning and Home Services are residential window cleaning and home service specialists since 1973 offering gutter cleaning, power washing and move in or out house cleaning as well as window cleaning. We are Diamond Certified and have been rated #1 by Consumer Checkbook Magazine in the Bay Area and for the last 9 years

"I appreciate the reasonable rates for a comprehensive and extensive window and screen cleaning. Wellington went straight to work and provided a thorough cleaning of windows, sliding glass doors and skylights and screens. Thank you Smart Window Cleaning!"

Marlene P on April 2025


Avatar for Palomas Landscaping

Palomas Landscaping

4.91(
37
)
Approved Pro

Palomas Landscaping

4.91(
37
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
31 years of experience

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"The job was done quickly and clean."

Jim R on April 2024

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. We offer a variety of lawn care and landscaping services that are customizable to each individual property. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

"The job was done quickly and clean."

Jim R on April 2024


Avatar for Welcome Home Landscape & Lawn Care

Welcome Home Landscape & Lawn Care

4.88(
42
)
Approved Pro

Welcome Home Landscape & Lawn Care

4.88(
42
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
10 years of experience

Welcome Home Landscape & Lawn Care offers Design, Installation, and Maintenance services with over 30 years of experience. We are extremely knowledgeable in our industry and are very customer service oriented. Working with the top nursery’s in the Bay area, allows us to have the best plant selection available. We look forward to consulting with you on your projects now and in the future!

"We enjoyed working with Welcome Home! We had a couple needs, one of which was open-ended and Ken was so helpful and informative, helping us figure out the best way to make the project happen. He and his team addressed the bamboo issue in our yard, removed dead plants, fixed our irrigation, and gave us lots of useful tips. We would definitely work with them again!"

Amy C on August 2024

Welcome Home Landscape & Lawn Care offers Design, Installation, and Maintenance services with over 30 years of experience. We are extremely knowledgeable in our industry and are very customer service oriented. Working with the top nursery’s in the Bay area, allows us to have the best plant selection available. We look forward to consulting with you on your projects now and in the future!

"We enjoyed working with Welcome Home! We had a couple needs, one of which was open-ended and Ken was so helpful and informative, helping us figure out the best way to make the project happen. He and his team addressed the bamboo issue in our yard, removed dead plants, fixed our irrigation, and gave us lots of useful tips. We would definitely work with them again!"

Amy C on August 2024


"Super great service. !!!!"

Kathy S on March 2025

With over 10 years' experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions, and thank you for your interest.

"Super great service. !!!!"

Kathy S on March 2025


C.A Landscaping

5.00(
11
)
Approved Pro

C.A Landscaping

5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

C.A Landscaping: Transforming Your Outdoor Space in the San Francisco Bay Area. From excavation to design, our expert team specializes in creating stunning landscapes that enhance your home. Contact us today for a beautiful outdoor oasis.

"Carlos did a fantastic job! He is very knowledgable and can do any landscaping project that you have in mind. Also, he'll give you suggestions about what he thinks might make the job look even better. I took all of his advice and the project turned out beautifully. I highly recommend him for any landscaping project."

Jeanette D on October 2022

C.A Landscaping: Transforming Your Outdoor Space in the San Francisco Bay Area. From excavation to design, our expert team specializes in creating stunning landscapes that enhance your home. Contact us today for a beautiful outdoor oasis.

"Carlos did a fantastic job! He is very knowledgable and can do any landscaping project that you have in mind. Also, he'll give you suggestions about what he thinks might make the job look even better. I took all of his advice and the project turned out beautifully. I highly recommend him for any landscaping project."

Jeanette D on October 2022


Avatar for Black Diamond Paver Stones & Landscape, Inc.

Black Diamond Paver Stones & Landscape, Inc.

4.86(
92
)
Approved Pro

Black Diamond Paver Stones & Landscape, Inc.

4.86(
92
)
Approved Pro
Customers say: True professional
22 years of experience
Free onsite estimate

Black Diamond has been family owned & operated since 2004 with local offices in San Jose, Novato, San Mateo, San Ramon, Santa Cruz, Carmel, Sacramento, Thousand Oaks, Orange County and Arizona. With an exemplary reputation of being the leader in paver stone and landscape design & installation throughout California and Arizona, our company’s ultimate goal is to provide an exceptional client experience. Our family of experts will create your custom Dreamscape with a commitment to professionalism, quality, value and customer service. We are "Your Experts," achieving 100% customer satisfaction by offering the highest quality work, including a 27 year warranty on paver installation & a lifetime warranty on paver stones.

"Michael Gurtler (Senior Project Designer) - Must use for all Landscape / Paving Needs Responsive, honest, professional, adaptable to our wants and needs - could not ask for a better Project Designer from design to execution. Our backyard landscape was hard to access and on a slope, Mike and his team delivered beyond expectations. When extenuating events occurred (e.g., discovering a massive trunk under the dirt, third-party delivery truck stalling in neighborhood street, etc.), Mike immediately took action and addressed the issues to ensure project remained within reasonable timelines and within agreed budget. Furthermore, when we decided to pivot from original project plan, Mike was very receptive and easy to work with. Will definitely use Mike for future landscaping and paving needs!"

Jesse M on December 2025

Black Diamond has been family owned & operated since 2004 with local offices in San Jose, Novato, San Mateo, San Ramon, Santa Cruz, Carmel, Sacramento, Thousand Oaks, Orange County and Arizona. With an exemplary reputation of being the leader in paver stone and landscape design & installation throughout California and Arizona, our company’s ultimate goal is to provide an exceptional client experience. Our family of experts will create your custom Dreamscape with a commitment to professionalism, quality, value and customer service. We are "Your Experts," achieving 100% customer satisfaction by offering the highest quality work, including a 27 year warranty on paver installation & a lifetime warranty on paver stones.

"Michael Gurtler (Senior Project Designer) - Must use for all Landscape / Paving Needs Responsive, honest, professional, adaptable to our wants and needs - could not ask for a better Project Designer from design to execution. Our backyard landscape was hard to access and on a slope, Mike and his team delivered beyond expectations. When extenuating events occurred (e.g., discovering a massive trunk under the dirt, third-party delivery truck stalling in neighborhood street, etc.), Mike immediately took action and addressed the issues to ensure project remained within reasonable timelines and within agreed budget. Furthermore, when we decided to pivot from original project plan, Mike was very receptive and easy to work with. Will definitely use Mike for future landscaping and paving needs!"

Jesse M on December 2025


Avatar for Cortez Bros Concrete Construction Inc

Cortez Bros Concrete Construction Inc

4.88(
20
)
Approved Pro

Cortez Bros Concrete Construction Inc

4.88(
20
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

We have over 16 years of experience in the business. Here at Cortez Bros Concrete Construction, Inc., we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade, and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Hired to replace failing retaining wall. Did a great job and very professional. Was able to complete the work quickly at a fair price."

Kelly E on May 2025

We have over 16 years of experience in the business. Here at Cortez Bros Concrete Construction, Inc., we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade, and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Hired to replace failing retaining wall. Did a great job and very professional. Was able to complete the work quickly at a fair price."

Kelly E on May 2025


Avatar for Oakmount Concrete

Oakmount Concrete

4.88(
13
)
Approved Pro

Oakmount Concrete

4.88(
13
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

At Oakmount Concrete, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"done as agreed on time"

Morry L on September 2024

At Oakmount Concrete, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"done as agreed on time"

Morry L on September 2024

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Retaining Wall Installers questions, answered by experts

Poured concrete is likely the cheapest way to build a retaining wall, as this material costs anywhere from $6 to $8 per square foot. The next best budget-friendly option is to use landscaping timbers. These timbers are great for DIY projects, as they don’t require tools to successfully build a retaining wall. Landscape timber costs around $10 to $14 per square foot. Depending on your chosen garden style, you can also go with natural stones or concrete blocks. Natural stones can be expensive if you buy them, but they’re a lot less costly if you can source them from your property. 

Each design is different, so we can’t say definitively if you’ll need a dedicated drainage system in place for a two-foot retaining wall. However, you can likely skip the drainage, as this project is typically served for walls that are 4 feet tall or more. Even with a relatively low wall, consider drainage if you are building on top of clay or poor-draining soil types or if there are buried water sources nearby, like a well used for other outdoor garden projects.

Railroad ties can be good for retaining walls, but it depends on the area. They have a desirable rustic look and are durable. The problem is they’re treated with creosote, a preservative the EPA says poses a risk to humans and wildlife. Over time, the preservative seeps out of the wood and into the ground. Many areas have banned the use of creosote-treated wood on residential properties. If your area does allow it, never use railroad ties near an edible garden or drinking water source. Instead, use wood that’s treated with an EPA-approved preservative or a wood-alternative composite material.

Yes, including patterns, finishes, and plant integration for aesthetic enhancement.

Generally, a railroad tie retaining wall consisting of a single line of ties should be between 3 and 4 feet tall—and the height often tops out at around 6 feet. You can go taller, but you may need additional footings and reinforcements, including a second layer of railroad ties to support the added weight of the soil it’s holding back.

The Blackhawk, CA homeowners’ guide to retaining wall installation services

From average costs to expert advice, get all the answers you need to get your job done.

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