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Find Septic system installers and replacers in Annandale

Avatar for A & A Septic Repair
A & A Septic Repair
5.0(
66
)

Serving Annandale, VA and surrounding areas

Approved

In business since 1963

Free estimates

Emergency services offered

"Rick Aits not only answered my initial call at night; showed up the next morning before 8am and diagnosed my issues. My pumping station pump and parts were over 26 years old so Rick replaced everything including pump, check valve, float controls, wiring outside box, wiring conduit and other miscellaneous parts the day after I was able to get both tanks pumped out. I couldn't be more satisfied with a 40 year pro with helper (20 years himself). I knew immediately that Rick knew this system inside and out and he even visually inspected my septic field and researched it at the county records. And for all that parts, materials and expertise his price was super reasonable. Thanks Rick and Mike!"
Response time5 hrs
1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Great Falls Septic Service Inc
Great Falls Septic Service Inc
4.7(
96
)

Serving Annandale, VA and surrounding areas

Approved

In business since 1953

Emergency services offered

Credit card accepted

"I originally called another septic company to do my five year pump out of the septic tank. This was our first time having this done because we didn't own the home the last time the septic was pumped. The other company was so incompetent and couldn't find the hole to pump out the septic tank after looking for about 15 minutes. They told me they would need to git a backhoe to come out a dig. I assured him that I remember the selling real estate agent telling me that the previous company that did the work didn't have to go through all that hassle. I was able to find out that the previous company that did the work was Great Falls Septic Service so I gave them a call. The technician was able to find the septic tank riser, which was buried about 10 inches down in about 2 minutes. I am extremely pleased with the service that I received. The technician was extremely efficient, technical, professional, and courteous. I would highly recommend Great Falls Septic Service."
6 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for M.E. Flow
M.E. Flow
5.0(
5
)

Serving Annandale, VA and surrounding areas

Approved (Corporate)

In business since 1951

Free estimates

Emergency services offered

M.E. Flow offers FREE in-home consultations for replacement HVAC systems and we are an authorized dealer of most major brands. Established in 1951 by Millard Edward Flow we remain family owned. Replacing your HVAC system and water heater is a big investment. When you go with M.E. Flow your satisfaction is guaranteed. We do not install customer supplied equipment, do new construction, or give quotes over the phone. We send a professional home comfort advisor to your home--even meet you after hours. During your home visit we will design you the perfect system, answer all your questions, and get your system in the family budget. Financing and/or rebates are typically available. Qualified Staff: You get a team of professionals, NATE certification means your getting the best. Company employees are required to pass a background investigation which include a criminal records check and drug testing. We also offer the best guarantees.

ME Flow HVAC Services
32 neighbors recently requested a quote
FAQs for septic system installation and replacement projects in Annandale, VA

The smallest standard septic system uses a 500-gallon tank, which costs between $875 and $1,150 installed. This size works well for single-occupant dwellings with minimal wastewater production. However, many local regulations specify minimum tank sizes, so check with your building department before committing to this compact option. Some jurisdictions require at least 750 gallons regardless of home size to ensure adequate waste processing capacity.

The installation timeline varies based on site conditions, permit processing, and contractor schedules. The process includes obtaining permits, conducting soil tests, excavation, tank placement, leach field construction, and final connections. Weather conditions, soil challenges, and inspection scheduling can all affect the overall timeline. It's wise to begin planning well in advance of when you need the system operational.

The most economical approach is to install a conventional anaerobic system with a plastic tank. To minimize costs while maintaining legality, obtain multiple quotes from licensed installers, consider scheduling during their slower seasons, and handle basic site preparation yourself. Never skip permits or required testing to save money—illegal installations can result in significant fines and mandatory removal, ultimately costing far more than doing it right initially.

Regular pumping helps prevent system failures and extends operational life. Most small systems require pumping every three to five years, though frequency depends on household size and usage patterns. Pumping services cost between $290 and $530, making this maintenance expense relatively minor compared to potential repair costs ranging from $500 to $2,600 for neglected systems. Establishing a regular maintenance schedule based on your installer's recommendations helps avoid costly emergency services.

The Annandale, VA homeowners’ guide to septic system installations and replacements

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