Why It Matters
Drywall costs $2–$4 per square foot for full installation (hang, tape, mud, and sand) and $1–$3 per square foot for patching and repair. A complete drywall job in a 1,500-square-foot home typically runs $5,000–$12,000 including finish work. For rental turnovers, basic patch-and-paint usually runs $100–$500 per unit.
At a Glance
- Standard installation cost: $2–$4 per square foot (new)
- Repair and patching cost: $1–$3 per square foot
- Full house install (1,500 sq ft): $5,000–$12,000
- Rental turnover patch: $100–$500 per unit
- Most common thickness: 1/2 inch for walls, 5/8 inch for ceilings
- Five finish levels: Level 1 (roughest) through Level 5 (smoothest)
- Specialty types: moisture-resistant (green board), mold-resistant (purple board)
How It Works
Drywall installation follows four steps: hang, tape, mud, and sand. Crews screw panels to wall studs or ceiling joists, cover every seam and screw hole with tape and joint compound ("mud"), apply mud in multiple drying coats, then sand smooth. The result is a flat surface ready for primer and paint.
Board type depends on location. Standard 1/2-inch panels handle most interior walls. Ceilings and fire-rated assemblies require 5/8-inch panels. Bathrooms get moisture-resistant green board; damp basements get mold-resistant purple board. Specialty types cost slightly more but prevent mold remediation bills down the line.
Finish level matters as much as the material. Level 1 means tape only — fine behind tile or in storage areas. Level 3 is the standard for textured walls in most residential construction. Level 5 requires two full skim coats sanded glassy smooth, required under high-gloss paint or in premium-market flips. Moving from Level 3 to Level 5 adds $1–$2 per square foot in labor — significant on a full gut rehab.
Real-World Example
James is flipping a 1,400-square-foot ranch in a mid-tier suburban market. Water damage in the master bedroom and bathroom left three walls buckled and mold-stained. Rather than patching, he replaces all drywall in both rooms — roughly 600 square feet.
The lowest bid comes in at $2.20 per square foot for hang, tape, and Level 3 finish. Since buyers in this neighborhood expect smooth walls, he upgrades to Level 5 at $3.40 per square foot — just over $2,000 for the two rooms. He specifies green board in the bathroom at no upcharge. He also sets aside $300 for incidental patching elsewhere — nail pops and doorknob holes that always appear once the walls are primed. Total drywall budget: $2,300, within the rehab-costs estimate he ran before closing.
Pros & Cons
- Inexpensive compared to plaster — materials cost a fraction of traditional lath-and-plaster
- Fast installation — a two-person crew can hang an average room in a few hours
- Easy to patch and repair without replacing full panels
- Specialty types (green board, purple board) extend durability in moisture-prone areas
- Level 5 finish dramatically improves perceived quality for flips and premium rentals
- Widely available from any building supply store — no supply chain concerns
- Susceptible to water damage — even minor leaks can cause swelling, bubbling, and mold growth
- Dents and holes easily from normal tenant use, requiring regular patch work at turnover
- Heavy — 4x8 panels of 5/8-inch drywall weigh over 70 pounds, making installation a two-person job
- Full gut drywall jobs generate significant debris and dumpster costs that must be budgeted
- Level 5 finish adds meaningful labor cost that can strain flip budgets in lower-price markets
Watch Out
Never skip moisture-resistant board in bathrooms or basements to save a few dollars. Standard drywall behind a toilet or shower surround will fail within a few years, generating mold remediation bills that dwarf the original savings. Confirm specialty board types with your contractor before they order materials.
On rentals, drywall repair is a recurring operating cost, not a one-time expense. Budget for patch-and-paint at every turnover. If a tenant causes significant wall damage beyond normal wear and tear, document it before returning the security deposit — drywall repair is a common source of deposit disputes.
On flips, know your market's finish level standard before committing. Upgrading to Level 5 in a lower-end neighborhood can add $2,000–$4,000 in labor with no measurable lift in sale price.
Ask an Investor
The Takeaway
Drywall is the most common interior finish material you will encounter as a real estate investor, and understanding it at a working level helps you budget accurately, avoid contractor upsells, and set the right finish specification for your market. For rentals, keep it simple — patch and paint is almost always the right call. For flips, match the finish level to what buyers expect in that neighborhood. Every dollar spent on unnecessary finish work is a direct hit to your cash-on-cash-return on the project.