Foundation Repair Cost in Round Rock, TX (2026)

Round Rock foundation pricing runs on per-pier math — typical pressed-piling projects land $4,000–$12,000 — but the honest story starts in the side yard. On this city's close-set lots, shared drainage cycles the clay hardest exactly where slabs sit closest, and a meaningful share of "foundation problems" resolve or arrest with water management for a tenth of pier cost.

What moves the number

• Drainage first. Downspout routing, buried drains, and grading ($500–$4,000) — sometimes coordinated with the neighbor whose gutters feed the same swale — is the highest-return line in the trade.
• Evidence quality. Pier count must come from an elevation survey with a diagram; local reviewers cite to-the-dollar quotes built exactly that way. A walkthrough price is a sales document.
• Pier type. Pressed pilings are the local standard; steel piers ($700–$1,400 each) buy deeper bearing where soil demands it.
• Interior access. Piers under interior grade beams add tunneling or slab-breach cost — the big step function.
• The post-lift plumbing test. Standard good practice; lifting stresses under-slab lines. It belongs in the scope, not the fine print.

Planning ranges

Round Rock / Williamson County planning bands, 2026 — not quotes. Get written, itemized scopes before deciding.

Item	Low	Typical	High
Evaluation w/ elevation survey	Free	$150	$400
Drainage correction	$500	$1,500	$4,000
Pressed piling (per pier)	$350	$500	$700
Steel pier (per pier)	$700	$1,000	$1,400
Typical pier project (10–15 piers)	$4,000	$7,500	$12,000

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