Metro East Property Questions - The Grounds Exchange

Do I Need a Permit for a Patio or Retaining Wall?

Xpress Grounds & Exteriors — Tue, 22 Sep 2026 09:41:13 +0000

Permit requirements are local and can change by municipality, project type, wall height, property zoning, easements, utilities, drainage impact, structural design, and proximity to property lines or buildings. Homeowners should verify requirements with the authority having jurisdiction before construction begins.

Even when a permit is not required, utility locating, easement restrictions, HOA rules, stormwater requirements, manufacturer specifications, and safe construction practices still apply. Do not rely solely on a neighbor's project or an online comment because two properties may fall under different rules.

When requesting guidance here, include the municipality and general project type—but never publish sensitive personal information or a complete home address.

How Does Metro East Clay Soil Affect Patios and Drainage?

Xpress Grounds & Exteriors — Tue, 22 Sep 2026 09:41:06 +0000

Much of the Metro East has soils with significant clay content. Clay can hold water, drain slowly, become soft when saturated, and shrink as it dries. Those changes can contribute to settlement, heaving, poor lawn performance, foundation concerns, and movement beneath patios or retaining walls.

Good construction responds to site conditions through proper excavation, compaction, suitable aggregate, separation where appropriate, controlled drainage, and protection from concentrated runoff. Simply adding more surface material does not correct unstable soil below.

Conditions vary from one property to another, so soil, slope, utilities, prior fill, and water movement should be evaluated before selecting a solution.