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
PANTOJA ENGINEERING AND EXCAVATION 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 professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"We recently worked with Pantoja Engineering And Excavation, Inc. on a site development project, and we couldn’t be more satisfied with the results. From start to finish, their team demonstrated professionalism, attention to detail, and a strong commitment to delivering high-quality work on time and within budget. Their crew was well-equipped and highly skilled, handling everything from grading and trenching to foundation prep with precision and efficiency. Communication throughout the project was clear and consistent, which made coordination smooth and stress-free. It’s rare to find a contractor that combines technical expertise with such a strong work ethic and integrity. We highly recommend Pantoja Engineering And Excavation, Inc. to anyone in need of excavation or engineering services and look forward to partnering with them again on future projects."
James M on May 2025
PANTOJA ENGINEERING AND EXCAVATION 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 professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"We recently worked with Pantoja Engineering And Excavation, Inc. on a site development project, and we couldn’t be more satisfied with the results. From start to finish, their team demonstrated professionalism, attention to detail, and a strong commitment to delivering high-quality work on time and within budget. Their crew was well-equipped and highly skilled, handling everything from grading and trenching to foundation prep with precision and efficiency. Communication throughout the project was clear and consistent, which made coordination smooth and stress-free. It’s rare to find a contractor that combines technical expertise with such a strong work ethic and integrity. We highly recommend Pantoja Engineering And Excavation, Inc. to anyone in need of excavation or engineering services and look forward to partnering with them again on future projects."
James M on May 2025
G & Z Plumbing is a family owned business based in the Central Valley of California. We are happy to help our customers in any type of residential plumbing repair, service, or installation. We are here to help with water heater installs, drain cleaning, camera inspections, leak repairs, as well as remodeling and ADUs, to name a few. You can trust that your home is great hands with our staff having over 25 years of experience combined in the home building and service industry. It would be our pleasure to help you on your next project!
"Great job and super friendly. Changed out old toilet for my mother. Very efficient."
George G on March 2023
G & Z Plumbing is a family owned business based in the Central Valley of California. We are happy to help our customers in any type of residential plumbing repair, service, or installation. We are here to help with water heater installs, drain cleaning, camera inspections, leak repairs, as well as remodeling and ADUs, to name a few. You can trust that your home is great hands with our staff having over 25 years of experience combined in the home building and service industry. It would be our pleasure to help you on your next project!
"Great job and super friendly. Changed out old toilet for my mother. Very efficient."
George G on March 2023
Demolition, Excavation, Limited Access Campbell Services is a Demolition, Excavation and Limited Access Company, operating throughout the San Francisco Bay Area with over 20 years of experience. We specialize in clearing the way for whatever project you have planned next.
"The service wonderful. Craig and and his crew was so committed in doing their job right, they kept my feedback, they were very respectful of what I wanted, and they did the job really really well. I would not hesitate to recommend them. They were very careful and very attentive. The work was superb, I was very pleased."
Peter S on December 2021
Demolition, Excavation, Limited Access Campbell Services is a Demolition, Excavation and Limited Access Company, operating throughout the San Francisco Bay Area with over 20 years of experience. We specialize in clearing the way for whatever project you have planned next.
"The service wonderful. Craig and and his crew was so committed in doing their job right, they kept my feedback, they were very respectful of what I wanted, and they did the job really really well. I would not hesitate to recommend them. They were very careful and very attentive. The work was superb, I was very pleased."
Peter S on December 2021
Saturdays and Sunday available by appointment.
Saturdays and Sunday available by appointment.
At Bay Area Drainage, Inc. customer satisfaction is a big part of our product. For new construction or retrofit, home or commercial, we build the finest systems. Our seasoned employees are committed to high quality workmanship. Team members have many years of experience building drainage systems.
At Bay Area Drainage, Inc. customer satisfaction is a big part of our product. For new construction or retrofit, home or commercial, we build the finest systems. Our seasoned employees are committed to high quality workmanship. Team members have many years of experience building drainage systems.
Blueline Engineering is a full service General and General Engineering Contractor, holding three license classifications A ( General Engineering ) B (General Building) and C-6 ( Cabinet and Millwork) . We have our own 7000ft facility for custom millwork, cabinets, and finishing. We pride ourselves on a "CAN DO" attitude and high quality finishes. With our staff of over 17 employees we can produce high end remodels and new custom homes with an aggressive timeline. Give us the opportunity to show you how enjoyable remodeling your home can be.
Blueline Engineering is a full service General and General Engineering Contractor, holding three license classifications A ( General Engineering ) B (General Building) and C-6 ( Cabinet and Millwork) . We have our own 7000ft facility for custom millwork, cabinets, and finishing. We pride ourselves on a "CAN DO" attitude and high quality finishes. With our staff of over 17 employees we can produce high end remodels and new custom homes with an aggressive timeline. Give us the opportunity to show you how enjoyable remodeling your home can be.
Through our working history previous to establishing this company, our directors have gained valuable experience with many of the top developers and construction companies around the world: Spain, London, Nairobi, Prague, Amsterdam, Ireland and all over the States. We believe in working closely with our clients and contractors as members of a team in order to achieve a successful completion to every job. As throughout our working careers we believe in achieving very high standards in every job we take on making sure each client is fully satisfied with the end product and gets value for money. We are very flexible and adaptable to our clients needs which we feel is very important in today’s world. We pride ourselves on these standards. We are usually working on about 15-20 projects per year, ranging in size from about $20,000 to $10,000,000 in value typically within the luxury residential sector, sometimes involving working on listed buildings. Despite slowing economy, the amount of our clients have increased recently.
Through our working history previous to establishing this company, our directors have gained valuable experience with many of the top developers and construction companies around the world: Spain, London, Nairobi, Prague, Amsterdam, Ireland and all over the States. We believe in working closely with our clients and contractors as members of a team in order to achieve a successful completion to every job. As throughout our working careers we believe in achieving very high standards in every job we take on making sure each client is fully satisfied with the end product and gets value for money. We are very flexible and adaptable to our clients needs which we feel is very important in today’s world. We pride ourselves on these standards. We are usually working on about 15-20 projects per year, ranging in size from about $20,000 to $10,000,000 in value typically within the luxury residential sector, sometimes involving working on listed buildings. Despite slowing economy, the amount of our clients have increased recently.
Renting an excavator with a professional operator costs more than renting equipment only, reflecting the added value of skilled labor. This arrangement eliminates the learning curve associated with machine operation and transfers liability to the service provider. For homeowners without experience with heavy equipment, the additional expense often proves worthwhile through increased efficiency and a reduced risk of property damage or personal injury.
Residential foundation work often requires a medium-sized excavator with sufficient digging depth and power to handle the project effectively. These machines offer the necessary capabilities without the excessive costs of larger models. When selecting equipment, consider both the foundation dimensions and site access limitations. The appropriate bucket width is also important—wider buckets move more material quickly, while narrower options provide greater precision in confined spaces.
Equipment rental requires some form of liability coverage. While some homeowners' insurance policies extend to rented equipment, many do not provide adequate protection. Rental companies offer insurance options or require proof of appropriate coverage before releasing equipment. Coverage requirements and costs vary based on the equipment value and project scope, making it essential to verify your protection before beginning work.
While formal certification isn't always mandatory for equipment rental, operating an excavator safely requires proper training. Most rental companies provide basic operational instructions, but expect renters to have some familiarity with heavy machinery. Depending on your location and project type, local regulations may require specific certifications or permits. Research your area's requirements before renting to ensure compliance with all applicable safety regulations.
Securing your equipment reservation well in advance of your project start date is advisable, particularly during the construction season. A two-week advance booking is recommended to ensure availability of your preferred machine type and size. During slower periods, shorter notice may be acceptable, but early planning provides greater flexibility and peace of mind. Some rental companies offer scheduling priority to customers who book further in advance.