City of Collegedale
Retaining walls and French drains in Collegedale, TN
Block and stone retaining walls, backyard leveling, wall repair and yard drainage for Collegedale homes. Get a free written quote from a local crew.
Collegedale
Rolling ground and growing subdivisions
Collegedale sits on rolling ground east of Chattanooga, with a lot of newer subdivisions. New rooftops, driveways and graded lots send more runoff downhill than the land used to, and backyards built on fill can settle or wash out at the edges.
Backyard leveling walls
Low block walls that create flat, usable yard space.
French drains
Gravel and pipe for yards that stay wet after rain.
Erosion control
Walls and drainage that stop clay from washing across lawns and patios.
Typical prices
What walls and drainage cost in Collegedale
Typical installed ranges from published 2026 cost guides, not quotes.
- Block retaining wallPer sq ft of wall face$30 to $90
- Natural stone wallPer sq ft of wall face$45 to $110
- Retaining wall repairTypical project$450 to $950
- French drainPer linear foot$20 to $50
- Underground downspoutOne extension$800 to $2,000
Sources: LawnStarter retaining wall cost guide (2026); Angi retaining wall repair cost (2026); Angi yard drainage cost (2026); Angi underground gutter drainage cost (2026).
Permits
Permit rules in Collegedale
The City of Collegedale sets its own permit rules, and many subdivisions also have HOA review. Which rules apply is checked for your address before work starts.
ZIP codes we take requests from: 37315, 37363. See retaining wall types, wall repair and French drains.
FAQ
Questions from Collegedale homeowners
Do I need a permit for a retaining wall in Collegedale?
Collegedale sets its own rules, so it is checked for your address. Your HOA may also need to approve the wall.
What stops erosion on a sloped Collegedale yard?
Usually a mix of low walls to break up the slope, drainage to steer water around it, and ground cover. Bare clay on a slope keeps washing until the water is controlled.
How much does a French drain cost in Collegedale?
Angi's 2026 data puts French drains at about $20 to $50 per linear foot installed, with most projects between $2,000 and $7,000.
Get a free quote in Collegedale
Tell us what the yard is doing. A local crew follows up to look at the site and gives you a written price. No cost, no obligation.