Crawlspace & Structural Specialists
Pier & Beam
Foundation Repair
Austin's older homes deserve experts who understand wood-framed foundations. We go into the crawlspace, diagnose the real problem moisture, rot, settlement, or all three and repair the structural system from underneath. No disruption to your living space above.
Free Crawlspace Assessment
We'll inspect beneath your home and give you honest answers.
No obligation. No pressure. Just honest answers.
All work done from the crawlspace no disruption to your home above
What Goes Wrong
Why pier & beam foundations fail in Central Texas
Wood-framed foundations are durable when properly maintained, but Austin's climate hot summers, seasonal downpours, and persistent humidity creates conditions that accelerate deterioration.
Sagging & Uneven Floors
The most obvious sign. When piers settle or beams deteriorate, the floor system deflects you'll feel it underfoot before you see it. A marble test often reveals slopes you've unconsciously adapted to.
Wood Rot & Deterioration
Austin's humidity and poor crawlspace ventilation create ideal conditions for fungal decay. Joists and beams lose structural capacity as the wood softens what looks solid may crumble when probed.
Moisture & Standing Water
Water pooling in the crawlspace is the root cause of most pier & beam failures. Poor drainage, broken gutters, or grading that slopes toward the house funnel water directly under your floor system.
Termite & Pest Damage
Subterranean termites thrive in the damp, dark conditions of a neglected crawlspace. They can silently destroy load-bearing members for years before damage becomes visible upstairs.
Pier Settlement & Failure
Original concrete block or cedar post piers can shift, crack, or rot over decades. When individual piers fail, the beam above them drops, creating localized sags and stress on adjacent structure.
Inadequate Original Construction
Many older Austin pier & beam homes were built with undersized beams, widely spaced piers, or no vapor barrier. These design deficiencies compound over time as soil and moisture conditions change.
Warning Signs
Is your pier & beam foundation telling you something?
Most pier & beam problems announce themselves through your floors first. If you're noticing two or more of these signs, your crawlspace needs a professional assessment.
See the full visual symptom guide- Floors feel bouncy, soft, or spongy when walking
- Visible slope furniture slides or doors swing open on their own
- Sticking doors or windows that used to operate smoothly
- Cracks in interior drywall, especially near door frames
- Musty or moldy smell coming from beneath the house
- Visible gaps between baseboards and floor
- Exterior skirting is damaged, missing, or pulling away
- You can see daylight through the crawlspace from outside
What We Fix
Comprehensive pier & beam repair services
Every crawlspace is different. We diagnose the specific issues in yours and apply only the repairs you actually need no upselling, no unnecessary work.
Crawlspace Leveling & Shimming
We re-level your floor system using precision steel shims at each pier-to-beam connection. Unlike DIY wood shim stacks that compress and shift, steel shims provide a permanent, code-compliant adjustment. We map elevations across the entire floor before and after to verify tolerance.
Ideal for: Homes with minor settlement or previous amateur leveling attempts
Beam & Joist Replacement
When rot, termites, or age have compromised structural members, we sister new pressure-treated lumber alongside damaged joists or replace beams entirely. The floor is temporarily shored while new members are installed, ensuring zero movement during the swap.
Ideal for: Visible wood rot, spongy floors, or insect damage in the crawlspace
New Pier Installation
We install new concrete spread-footer piers or helical piers to replace failed supports or add capacity where the original design was inadequate. Helical piers are torqued to a calculated load-bearing resistance, providing data-verified support independent of surface soil conditions.
Ideal for: Failed or shifted original piers, additions, or heavy remodels
Crawlspace Moisture Management
A dry crawlspace is the foundation of a healthy pier & beam home. We install 6-mil polyethylene vapor barriers, improve ventilation with properly sized foundation vents, correct exterior grading, and add French drains where groundwater intrusion is the issue.
Ideal for: Standing water, musty odors, visible mold, or high humidity readings
Skirting & Encapsulation
Damaged or missing skirting exposes your crawlspace to water, pests, and temperature extremes. We install new stucco or material skirting to seal the perimeter, and for severe moisture issues, we offer full crawlspace encapsulation with sealed barriers and dehumidification.
Ideal for: Open or deteriorated crawlspace perimeter, persistent moisture problems
Know Your Foundation
Pier & beam vs. slab: How repair differs
If you're not sure which foundation type you have or how repair approaches differ this comparison covers the key distinctions.
| Consideration | Pier & Beam | Slab |
|---|---|---|
| Access to plumbing | Easy accessible from crawlspace | Difficult requires tunneling or slab cuts |
| Moisture risk | Higher requires vapor barrier and ventilation | Lower but plumbing leaks can go undetected |
| Leveling method | Shimming at pier points + beam/joist work | Pier installation or polyjacking |
| Common in Austin | Pre-1970s homes, elevated lots, historic districts | Post-1960s construction, most modern homes |
| Repair access | Non-invasive work done from crawlspace | Requires exterior excavation for piers |
| Floor feel | Softer, more give underfoot (wood subfloor) | Rigid (concrete) |
| Typical repair cost | $2,500–$12,000 depending on scope | $4,000–$15,000 for pier installations |
Our Process
From crawlspace to confidence
Here's exactly what happens when we assess and repair your pier & beam foundation.
Crawlspace Inspection
A specialist enters your crawlspace to assess every pier, beam, joist, and sill plate. We check for settlement, rot, pest damage, moisture levels, and ventilation adequacy. Elevation readings are taken across the floor above.
Diagnosis & Scope
We identify the root cause not just the symptoms. Is the floor sagging because piers settled, beams rotted, or moisture destroyed the joists? The answer determines the repair. You receive a documented report with photos from the crawlspace.
Structural Repair
Depending on findings: we replace damaged beams and joists with pressure-treated lumber, install new piers where supports have failed, and re-shim the entire floor system to level. All work is done from the crawlspace no disruption to your living space above.
Moisture Mitigation
We address the water. Vapor barriers are installed or replaced, ventilation is corrected, exterior grading is assessed, and drainage solutions are recommended. A dry crawlspace is essential for the longevity of any wood-framed foundation.
Verification & Warranty
Final elevation readings confirm floor level across the home. You receive before/after documentation, a detailed scope of completed work, and your warranty certificate. We schedule a follow-up check at 6 months.
Austin's Pier & Beam Heritage
Why Austin has so many pier & beam homes
Before the 1960s, nearly every Austin home was built on pier & beam. Slab-on-grade didn't become standard until concrete batch plants made it economical. Today, the historic neighborhoods that give Austin its character Travis Heights, Hyde Park, Clarksville, Bouldin Creek, Old West Austin are predominantly pier & beam.
These homes were built with cedar posts as piers, rough-cut lumber for beams, and minimal moisture protection. After 60–100+ years of Austin's wet/dry cycles, many of these original components have reached the end of their service life. The good news: pier & beam foundations are highly repairable when you catch issues early.
Read the full Austin soil guideAustin Pier & Beam Facts
- Homes built pre-1960s on pier & beam
- ~60%Of remaining historic housing stock
- Most common original pier material
- CedarRot-resistant but not permanent
- Typical crawlspace clearance
- 18–36"Minimum 18" required by code
- Ideal crawlspace humidity
- <60%Above 70% promotes wood rot and mold
- Average re-leveling interval
- 10–15 yrsOn Austin clay soil without moisture management
Pier & Beam FAQ
Common crawlspace questions
Have a question we haven't answered? Call us at 737-302-6202 we're happy to walk you through it.
- How much does pier and beam foundation repair cost in Austin?
- Costs vary significantly based on scope. Basic re-leveling and shimming runs $2,500–$5,000. Beam or joist replacement adds $3,000–$8,000 depending on the extent of damage. New pier installation is $300–$500 per pier. A full crawlspace restoration (structural repair + moisture management + skirting) can run $8,000–$15,000. We provide free, itemized quotes.
- How do I know if I have a pier and beam foundation?
- If your home is elevated off the ground (usually 3–5 steps up to the front door) and has a crawlspace underneath with visible skirting around the perimeter, you have a pier & beam foundation. Most Austin homes built before the late 1960s use this system. If you're unsure, we can tell you during a free inspection.
- Is pier and beam better or worse than slab?
- Neither is inherently better they have different advantages. Pier & beam gives you easy access to plumbing and utilities, a softer floor feel, and non-invasive repair access. The tradeoff is that the wood system requires moisture management. Slab is lower maintenance but harder to access for plumbing repairs. Both perform well in Austin when properly maintained.
- Can I go under my house and check the crawlspace myself?
- You can, but use caution. Wear a respirator (mold spores are common), long sleeves, and eye protection. Check for standing water, visible rot (probe wood with a screwdriver it shouldn't be soft), and any piers that have shifted or cracked. If you see anything concerning, call us for a professional assessment.
- How long does pier and beam repair take?
- Basic re-leveling takes 1–2 days. Beam and joist replacement adds 2–3 days depending on how many members need replacing. Full crawlspace restoration (structural + moisture + skirting) typically takes 3–5 days. You can stay in the home during all of this the work happens beneath you.
- Do you offer vapor barrier installation without structural repair?
- Yes. If your crawlspace is structurally sound but has moisture issues, we install 6-mil polyethylene vapor barriers, improve ventilation, and correct drainage independently. This preventive work costs $1,500–$3,500 and can add years of life to your existing beams and joists.
What's happening under your house right now?
Crawlspace problems don't fix themselves. Moisture breeds rot, rot weakens structure, and weakened structure costs more to repair every year you wait. A free crawlspace assessment takes 45 minutes and gives you answers.
Free assessment · All work from the crawlspace · No disruption to your home