What is the real cost of drainage work in Maryland?
If you’re dealing with soggy patches in your lawn, water pooling near your foundation, or erosion washing out your landscaping, you’re probably wondering one thing:
“How much is this drainage fix going to cost me?”
It’s a fair question. And one we’ve heard thousands of times in the 42+ years we’ve been solving drainage issues for homeowners in Bowie, Crofton, Annapolis, Davidsonville, Odenton, Severn, Hanover, Saronic Park, and Washington DC.
The short answer? Drainage projects in Maryland typically cost anywhere from $1,500 to over $15,000.
The long answer? How much drainage work costs depends—on what’s causing the problem, the type of solution required, the layout of your property, and the materials and equipment involved.
Let’s break down what drives the cost of drainage work up or down, and how to make sure you’re getting the right fix for your property.
Average Cost Range for Drainage Work in Maryland
Here’s a general guide to what you can expect:
| Type of Drainage Work | Typical Cost Range |
| Basic downspout extension | $300 – $1,200 per downspout |
| Surface yard drains (catch basins) | $1,500 – $5,000 |
| French drain (basement or yard) | $3,000 – $12,000 |
| Full drainage system w/ grading | $5,000 – $15,000+ |
These prices are based on average projects we’ve completed throughout Anne Arundel County, Prince George’s County, and DC metro neighborhoods.
Keep in mind: No two yards are exactly alike. Your pricing will depend on the size of the area, the slope, soil conditions, water sources, and how extensive the solution needs to be.
What Factors Affect the Price of Drainage Work?
The Type of Drainage Problem You’re Facing
The source of the water matters. Are we dealing with surface runoff? A high water table? Roof runoff? Improper grading? Some problems require minor fixes—others need major excavation.
Size and Complexity of the Project
A single soggy corner of the yard is very different from a full perimeter French drain system or large-scale regrading project. The more area we need to address, the more labor, materials, and equipment are involved.
Soil Type and Ground Conditions
Clay soils (very common in Maryland) don’t drain well and often require more aggressive solutions. Rocky or compacted soil may require special equipment to dig. Wet or marshy areas may need added gravel and stabilization.
Depth of Excavation
The deeper we have to dig, the more time and effort it takes—and the more spoil we need to haul away. Deep French drains or connections to storm drains require more labor and safety measures.
Access to the Work Area
If we can get our machinery close to the work area, it saves time and money. If we need to hand-dig, avoid landscaping, or haul materials in buckets, costs can go up.
Materials and Components Used
Not all drainpipes, grates, and fabrics are created equal. We only use high-quality, professional-grade components that last. You can choose budget or premium versions depending on your goals.
Permits and Engineering (If Needed)
Some large projects—especially those that alter drainage paths near property lines or roads—require county permits or engineer drawings. We’ll let you know upfront if that’s necessary.
Real Examples of Drainage Projects and What They Cost
- Crofton: A homeowner had a wet backyard every time it rained. We installed a French drain and catch basin system for $4,800.
- Davidsonville: A home with downspouts flooding the patio—$2,200 for buried downspout extensions and a pop-up emitter system.
- Annapolis: Full backyard regrade and surface drain system to stop water from reaching the foundation—$11,500.
- Washington DC: Tight access row home with basement seepage required a hand-dug interior French drain—$7,000.
Homeowner Stories: How TLC Helped Solve Drainage Headaches
Karen & Mike – Severn, MD “Every time it rained, our backyard turned into a swamp. The grass was dying, and our kids couldn’t play outside. We called three companies. TLC was the only one that really took the time to walk the yard, ask questions, and explain the options. Bob and the team installed a combination French drain and surface system. It’s been six months—and not a puddle in sight. Worth every penny.”
The Owens Family – Bowie, MD “We were getting water in our basement and thought we had a foundation leak. Turns out, it was poor drainage in the yard. TLC put in a long French drain with a sump discharge to keep the water away from the house. They even rerouted our downspouts. Total cost was under $9,000 and it probably saved us $20,000 in potential repairs.”
Samantha – Washington DC “Living in the city, space is tight. I didn’t think a proper drainage fix was even possible. TLC proved me wrong. They hand-dug everything, were super respectful of the garden I’d planted, and explained every step of the process. My cellar is finally dry. I recommend them to all my neighbors.”
FAQs About Drainage Work in Maryland
Q: How long does a drainage project usually take? A: Most projects take 1–3 days depending on size and complexity. Some larger systems or regrading work can take up to a week.
Q: Can I DIY my drainage problem? A: Minor gutter extensions, sure. But anything involving grading, French drains, or tying into storm drains should be left to the pros. Bad installs can make things worse.
Q: How do I know if I need a French drain or surface drain? A: It depends on whether the water is coming from above ground (surface runoff) or below (groundwater seepage). We’ll evaluate and recommend the right system—or a combination.
Q: Will I need to replant grass or landscaping afterward? A: We do our best to minimize disruption, but some areas may need reseeding or fresh mulch. We always restore the site as neatly as possible.
Q: Can TLC maintain my drainage system after installation? A: Absolutely. We offer seasonal inspections, cleanouts, and check-ups to keep everything flowing.
Q: What if the system fails or doesn’t work? A: We stand behind our work. All drainage systems are backed by a workmanship warranty. If something isn’t working right, we’ll make it right.
Why Homeowners Trust TLC Incorporated
For more than four decades, we’ve earned our reputation the old-fashioned way—by showing up, doing the work right, and taking care of our customers like family.
We’re not just a landscaping company. We specialize in drainage, grading, and waterproofing in the unique soil conditions of Maryland and DC. That means clay soils, steep slopes, historic homes, new developments—we’ve seen it all.
We use AI-powered design tools to map out drainage flow, simulate water movement, and ensure our solutions are effective before we ever start digging. We’re blending the latest technology with hands-on experience to give you the best possible results.
When you call TLC, you get:
- A real person on the phone
- A free on-site consultation
- Transparent pricing
- Long-term support
And yes, you can even text us. We’re here to make this easy.
Ready to Stop the Water and Start Enjoying Your Yard Again?
Don’t let another storm create more damage. Whether it’s a minor annoyance or a major headache, we can fix it.
Call TLC Incorporated today or schedule your free drainage evaluation online. We’ll walk your property, explain your options, and give you a fair, honest price.
You’ll get the peace of mind of knowing the job is done right—and that your home is protected.
This is what we do. And we’d be honored to do it for you.
Call TLC Incorporated When You Need The Best in Yard Drainage
For more than 35 years, TLC Incorporated has specialized in the planning, installation, and maintenance of high-quality commercial and residential lawn sprinklers and irrigation systems, lawn lighting, outdoor lighting, and more. Bob Carr and his talented staff have been keeping the Mid-Atlantic Region green and well-lit with pride for decades. When you need help with lawn drainage, irrigation, or lighting design, you can contact us to evaluate your lawn and guarantee excellent results. You can follow us on Facebook, Instagram, and YouTube for updates on our most recent projects.