Land Grading/Construction Prep, Septic Systems, Excavation Services in Tucson, AZ & the Surrounding Areas


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Land Grading/Construction Prep, Septic Systems, Excavation Services in Tucson, AZ & the Surrounding Areas


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Comprehensive land grading/construction site prep for residential and commercial projects.

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Our team can install septic systems built to code for any size of operation.

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Experts in excavation for swimming pools and prepping for city utility hook-ups.

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• Construction Site Prep

• Land & Lot Grading

• Land Clearing

• Demolition Services

• Excavation

• Utility Set Up

• Swimming Pools

• Septic System Installation

• Civil Engineering

• Permits & Planning

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Expert Civil Engineering Services


Proper planning is key when it comes to residential and commercial construction and land development. At Southern Civils, we’re your partner for expert civil engineering services in Tucson, ensuring your site prep is completed on time and on budget.  From demolition, excavation and grading, to utility planning and septic systems, our team can assist with a variety of services regarding your next project. As civil engineers in Tucson with many years of experience, you can rely on us for proper permitting and to deliver superior craftsmanship. Our attention to detail is second to none, resulting in unparalleled results. To learn more about our civil services, or to request a quote for construction site prep in Tucson or the neighboring communities, do not hesitate to give us a call.

Honest Communication & Clear Pricing/Timelines


As a local civil firm, we are grateful to serve home and business owners in Tucson, Marana, Eloy and the surrounding towns. Whether you’re a first time builder, a homeowner, or a construction veteran, Southern Civils is ready to go to work for you. To ensure we’re able to provide the outcome you deserve, we’re dedicated to open, honest communication and clear pricing and timelines. To get this done, we’ve invested in modern equipment and we focus on ongoing training, ensuring we’re always up to date with the latest procedures and codes for area construction and land development projects. We encourage you to give Southern Civils a call at 520-337-4018 to learn more about our construction site services, excavation services or septic system services in Tucson and the surrounding area. Thank you for considering our team for your next project.

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A construction site with a lot of dirt and trees in the background.

Land Grading


Precision grading is crucial for creating a stable foundation for any construction project. At Southern Civils, we specialize in land grading in Tucson for residential, commercial, and municipal sites. Our grading services ensure the prevention of issues such as erosion or flooding. With advanced equipment and years of experience, we’ll help you achieve a perfectly level site that meets project specifications.

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Southern Civils Reviews

Southern Civils Blog

By Southern Civils June 2, 2025
A properly functioning septic system is essential for managing wastewater in homes that aren't connected to a municipal sewer system. When a septic system starts to fail, it can create health hazards, unpleasant odors, and costly damage. At Southern Civils, we provide expert septic system replacement in the greater Tucson area. Recognizing the warning signs early can help you determine if it's time to consider a full replacement. Slow Drains Throughout the House If you're noticing that sinks, bathtubs, and toilets are draining more slowly than usual, and plunging or snaking doesn’t resolve the issue, it could point to a problem with your septic system. While occasional clogs in a single fixture are normal, slow drainage throughout the entire home may indicate that your septic tank is full or the drain field is no longer absorbing water properly. This is often one of the earliest warning signs of a failing system. Foul Odors Indoors or Outside Persistent sewage smells inside your home or near the septic tank or drain field can be a sign that the system is no longer functioning as it should. These odors may be caused by wastewater backing up or by untreated sewage surfacing in the yard. A healthy septic system contains and processes waste without releasing unpleasant smells. When these odors become noticeable, especially in multiple areas, it could be a sign of failure. Sewage Backups in the Home When wastewater begins to back up into your toilets, sinks, or tubs, it’s a red flag that your septic system is failing. Backups commonly start on the lowest level of the house and can cause major health hazards and property damage. If pumping the tank doesn’t fix the issue or backups continue to happen regularly, a full system replacement might be necessary. Lush, Green Patches of Grass Over the Drain Field Unusually green and thick patches of grass over your drain field can be an indication that untreated wastewater is seeping into the soil and acting as a fertilizer. While it might seem harmless at first, this can suggest that the system is leaking or failing underground. Septic System Replacement in Tucson, AZ When you need septic system replacement in Tucson and the surrounding area, contact Southern Civils at  520-337-4018  . Feel free to give us a call to request an estimate!
By Southern Civils April 28, 2025
Installing a new septic system is a significant investment that requires careful planning and consideration. Whether you're building a new home or replacing an old system, the success and longevity of your septic system depend on a variety of factors. From local regulations to soil quality, understanding what to expect can help you avoid costly mistakes and ensure a smooth installation process. At Southern Civils, our team would be happy to answer any of your questions about septic system installation. Here are four important things to keep in mind when planning to install a new septic system. Local Regulations and Permits Before any digging begins, it's crucial to check with local health/environmental rules about septic system installation in your particular area. Permits, site evaluations, and inspections are all typically required throughout the process. These rules are in place to protect public health and the environment, so complying with them is not optional. Failure to do so can lead to delays, fines, or being required to redo the work. Soil and Site Evaluation The type of soil on your property plays a major role in determining what kind of septic system you can install. A percolation test, often called a “perc test,” is used to evaluate how well the soil absorbs water. Sandy or loamy soils tend to drain well, while clay-heavy soils can cause problems with absorption. A site evaluation will also consider the slope of your land, distance to water sources, and space available for the system. This assessment will guide your system design and ensure it functions properly for years to come. System Size and Household Needs Your septic system must be sized appropriately for your household’s daily wastewater output. Factors such as the number of bedrooms, bathrooms, and water-using appliances are taken into account when determining tank and drain field size. Installing a system that is too small can lead to frequent backups and maintenance problems. On the other hand, an oversized system may be unnecessarily expensive. Your contractor can help you determine the right size based on your current and future needs, as well as the particular type of system, whether gravity-fed or otherwise. Long-Term Maintenance Planning Even the best-designed septic system requires regular maintenance to function properly. When planning your installation, consider how you’ll access the tank for future pumping and inspections. Discuss a long-term maintenance plan with your installer, including how often the system should be serviced. Staying proactive with maintenance will help prevent costly repairs and extend the life of your septic system. Septic System Installation & Replacement in Tucson, AZ For expert septic system services in Tucson and the surrounding area, contact Southern Civils at  520-337-4018  . Feel free to give us a call to request an estimate!
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