With 52 years of experience, Spectrum Pool and Landscape creates highly customized, design-driven outdoor environments—from initial sketches to final touches. Founder Chuck Archuletta personally designs and oversees every project, drawing on a lifetime of hands-on expertise to create spaces that are beautiful, livable, and built to last. Known for his elegant hand-drawn plans, Chuck designs with a refined sense of how people move, gather, and enjoy their space. Spectrum’s work includes pools, spas, outdoor kitchens, fire and water features, California rooms, lighting, decks, arbors, landscaping, turf, irrigation, drainage, concrete, walls, and more. Fully licensed in pool, landscape, and masonry work, Spectrum is based in Alamo, CA and backed by decades of happy clients. Chuck is on site regularly and known for his craftsmanship, integrity, and follow-through.
"I cannot say enough about Spectrum Pool & Lamdscape! John, our project manager, was amazing with creating our backyard Oasis. Chuck, owner of Spectrum Pool & Landscape, is extremely knowledgeable and very kind. This company stands behind their work. I am so thankful we found them! if we could give them more than 5 we would! We were so impressed with their work, we decided to have them also landscape our front yard as well!"
Donna T on February 2024
With 52 years of experience, Spectrum Pool and Landscape creates highly customized, design-driven outdoor environments—from initial sketches to final touches. Founder Chuck Archuletta personally designs and oversees every project, drawing on a lifetime of hands-on expertise to create spaces that are beautiful, livable, and built to last. Known for his elegant hand-drawn plans, Chuck designs with a refined sense of how people move, gather, and enjoy their space. Spectrum’s work includes pools, spas, outdoor kitchens, fire and water features, California rooms, lighting, decks, arbors, landscaping, turf, irrigation, drainage, concrete, walls, and more. Fully licensed in pool, landscape, and masonry work, Spectrum is based in Alamo, CA and backed by decades of happy clients. Chuck is on site regularly and known for his craftsmanship, integrity, and follow-through.
"I cannot say enough about Spectrum Pool & Lamdscape! John, our project manager, was amazing with creating our backyard Oasis. Chuck, owner of Spectrum Pool & Landscape, is extremely knowledgeable and very kind. This company stands behind their work. I am so thankful we found them! if we could give them more than 5 we would! We were so impressed with their work, we decided to have them also landscape our front yard as well!"
Donna T on February 2024
Welcome to H & H Landscaping, the leading landscaping specialists serving Pittsburg and the surrounding areas. With over 8 years of experience in projects ranging from concrete patios to sod installations, we look forward to earning your business. Call today for a free estimate!
"Overall definitely a great job. I had a slight issue with a few chipped bricks in the new retaining wall, but Hien quickly took care of it. Additionally he give me a good price on adding some concrete to the driveway. I particularly like that he and his team cleared away the mess each day before leaving the property. Would definitely hire them again. He priced the total job better than most that quoted me. They worked quickly to get it done in days, and finished right on schedule."
Barbara J on September 2023
Welcome to H & H Landscaping, the leading landscaping specialists serving Pittsburg and the surrounding areas. With over 8 years of experience in projects ranging from concrete patios to sod installations, we look forward to earning your business. Call today for a free estimate!
"Overall definitely a great job. I had a slight issue with a few chipped bricks in the new retaining wall, but Hien quickly took care of it. Additionally he give me a good price on adding some concrete to the driveway. I particularly like that he and his team cleared away the mess each day before leaving the property. Would definitely hire them again. He priced the total job better than most that quoted me. They worked quickly to get it done in days, and finished right on schedule."
Barbara J on September 2023
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
Solano custom concrete inc Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true
"I enjoy working with Juan. He is attentive and quick to respond. It's been a few weeks since the concrete patio, walkways, sloping of the yards and the french drains were installed. It has rained heavily and everything is perfect! What a fantastic job and his crew and Juan were very hard and fast workers. Def. hire this company."
Sandra S on February 2018
Solano custom concrete inc Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true
"I enjoy working with Juan. He is attentive and quick to respond. It's been a few weeks since the concrete patio, walkways, sloping of the yards and the french drains were installed. It has rained heavily and everything is perfect! What a fantastic job and his crew and Juan were very hard and fast workers. Def. hire this company."
Sandra S on February 2018
Established in 2024, Aventra Engineering Services Inc. (Aventra) (License #1133283) leverages more than four decades of collective expertise in structural engineering, seismic retrofitting, concrete infrastructure, and erosion control solutions. Our commitment to craftsmanship, transparent communication, and uncompromising standards drives every project, ensuring reliable, high–quality outcomes for public and private sector clients across California’s Bay Area. Founded by CEO Aryan Pakkhoo and his father, Vice President Manoochehr Pakkhoo, a seasoned construction professional, Aventra blends data‑driven strategy with hands‑on insight to keep structural integrity, safety, and efficiency at the forefront of every build. We uphold strict quality control, a safety‑first culture, and seamless collaboration among architects, contractors, and agencies from project inception through completion, delivering resilient structures that protect communities and budgets alike.
"Professional and thorough work in helping construct an in law unit exactly to our specifications. Flexible with design process and we were completely satisfied. "
Steven S on May 2025
Established in 2024, Aventra Engineering Services Inc. (Aventra) (License #1133283) leverages more than four decades of collective expertise in structural engineering, seismic retrofitting, concrete infrastructure, and erosion control solutions. Our commitment to craftsmanship, transparent communication, and uncompromising standards drives every project, ensuring reliable, high–quality outcomes for public and private sector clients across California’s Bay Area. Founded by CEO Aryan Pakkhoo and his father, Vice President Manoochehr Pakkhoo, a seasoned construction professional, Aventra blends data‑driven strategy with hands‑on insight to keep structural integrity, safety, and efficiency at the forefront of every build. We uphold strict quality control, a safety‑first culture, and seamless collaboration among architects, contractors, and agencies from project inception through completion, delivering resilient structures that protect communities and budgets alike.
"Professional and thorough work in helping construct an in law unit exactly to our specifications. Flexible with design process and we were completely satisfied. "
Steven S on May 2025
Central Pacific Services is a licensed and insured excavating and masonry company based out of Tracy, California. With over 22 years in the industry, they are professionals who can take a on a wide range of projects. It is their priority to provide every customer with quality work and ensure the client is satisfied with the results. Give us a call today, we look forward to working with you!
"Excellent quality build. Requested a 60? CMU wall and wood fence to hold up my house on a hill. Ed was soooo communicative, clear with the scope, pricing, and also gave me several options a from more reasonable to high end. The work product was amazing."
Ann J on April 2023
Central Pacific Services is a licensed and insured excavating and masonry company based out of Tracy, California. With over 22 years in the industry, they are professionals who can take a on a wide range of projects. It is their priority to provide every customer with quality work and ensure the client is satisfied with the results. Give us a call today, we look forward to working with you!
"Excellent quality build. Requested a 60? CMU wall and wood fence to hold up my house on a hill. Ed was soooo communicative, clear with the scope, pricing, and also gave me several options a from more reasonable to high end. The work product was amazing."
Ann J on April 2023
I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!
"Very, very happy with the work that was done!"
ed t on May 2025
I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!
"Very, very happy with the work that was done!"
ed t on May 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet your 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 a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Quick, Effective and the project was done in a timely manner. Thank you Ultra!"
Shane D on February 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet your 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 a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Quick, Effective and the project was done in a timely manner. Thank you Ultra!"
Shane D on February 2025
Welcome to Exotic Landscape, where nature meets artistry! We specialize in creating breathtaking outdoor spaces with a perfect blend of greenery, hardscaping, and water features. Transform your backyard into a paradise with our expert landscaping services. Contact us today for a free consultation!
Welcome to Exotic Landscape, where nature meets artistry! We specialize in creating breathtaking outdoor spaces with a perfect blend of greenery, hardscaping, and water features. Transform your backyard into a paradise with our expert landscaping services. Contact us today for a free consultation!
Ecocon is a high-end home builder and full-service contractor serving the Bay Area, specializing in premium concrete work, expert framing, and sophisticated plumbing and electrical systems. We build custom homes with precision, elegance, and lasting value — blending modern craftsmanship with timeless design. From foundation to finish, Ecocon delivers refined construction solutions tailored to the unique needs of discerning Bay Area homeowners. When you choose Ecocon, you’re choosing quality, integrity, and a seamless building experience.
"GREAT PEOPLE,GREAT WORK ETHIC,GREAT WORK!!!!"
Jovanni A on February 2024
Ecocon is a high-end home builder and full-service contractor serving the Bay Area, specializing in premium concrete work, expert framing, and sophisticated plumbing and electrical systems. We build custom homes with precision, elegance, and lasting value — blending modern craftsmanship with timeless design. From foundation to finish, Ecocon delivers refined construction solutions tailored to the unique needs of discerning Bay Area homeowners. When you choose Ecocon, you’re choosing quality, integrity, and a seamless building experience.
"GREAT PEOPLE,GREAT WORK ETHIC,GREAT WORK!!!!"
Jovanni A on February 2024
Most railroad tie retaining walls have a life span of 20 to 30 years, though you may need to replace your wall sooner if it's repeatedly exposed to heavy rain, runoff, and excess moisture. The creosote treatment in traditional railroad ties helps resist rot and insects, but proper drainage is essential for maximizing longevity. Regular inspections and prompt repairs of minor issues can help extend your wall's useful life.
Creosote-treated railroad ties can pose health risks if used near edible plants or children's play areas. The Environmental Protection Agency (EPA) notes that creosote may be harmful to humans and wildlife. Many localities restrict or prohibit creosote-treated wood in residential settings. For garden applications, consider alternative materials like recycled plastic composite ties or lumber treated with more garden-friendly preservatives.
The ideal drainage solution depends on your specific site conditions and wall height. For most residential applications, a combination of gravel backfill and perforated drain pipe works effectively.
A complete drainage system costs between $2,100 and $6,500, though basic solutions start at $500. Proper drainage prevents water pressure buildup behind your wall, significantly reducing the risk of failure and extending its useful life.
For walls under four feet tall on relatively flat terrain, you can proceed without engineering services. However, walls exceeding four feet, those on steep slopes, or projects with unusual soil conditions require professional engineering input.
A structural engineer can design appropriate footings and reinforcement to ensure your wall safely handles the lateral soil pressure it will face.
Railroad tie retaining walls start at $15 to $25 per square foot, with most projects averaging $25 to $30 per square foot, depending on complexity and site prep. This makes them more affordable than natural stone or concrete block walls initially.
While vinyl options may cost less upfront ($10 to $15 per square foot), railroad ties offer superior aesthetics and strength. Though they require more maintenance than masonry options, their lower initial cost makes them attractive for many homeowners.