Montgomery County homes range from post-war ramblers to newer townhomes; local labor rates run above the national average, and permits are routinely required for plumbing changes. Costs in Columbia tend to run above the national average (our estimated local factor: 1.10×).
A mid-range bathroom remodel in Columbia is estimated at $16,500 – $24,200; tub-to-shower conversions roughly $3,900 – $17,600.
Bathroom remodel cost in Columbia
| Project type | Typical cost |
|---|---|
| Small bathroom | $6,600 – $11,000 |
| Mid-range remodel | $16,500 – $24,200 |
| Primary / large bathroom | $19,800 – $88,000 |
Tub-to-shower conversion cost in Columbia
| Project type | Typical cost |
|---|---|
| Acrylic shower kit swap | $3,900 – $8,800 |
| Tiled walk-in shower, same footprint | $8,800 – $17,600 |
| Custom tile, glass, plumbing moves | $17,600 – $33,000 |
Walk-in shower cost in Columbia
| Project type | Typical cost |
|---|---|
| Prefab shower stall | $2,800 – $6,600 |
| Tiled walk-in shower | $7,700 – $16,500 |
| Curbless / frameless glass custom | $16,500 – $33,000 |
Permits and timeline
Most jurisdictions in Maryland require a permit for plumbing or electrical changes; your contractor should pull it. Cosmetic updates often don't need one. Typical timelines: 1–3 days for kit conversions, 3–6 weeks for full remodels. Check with your local building department.

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Plan ahead with our contractor comparison checklist and the bathroom remodel cost guide. Considering a walk-in tub? See WalkInTubPrices.com.
Nearby cities in the DC metro
Frequently asked questions
How much does a bathroom remodel cost in Columbia?
A mid-range bathroom remodel in Columbia is estimated around $16,500–$24,200, with costs running above the national average.
How much is a tub-to-shower conversion in Columbia?
Roughly $3,900–$17,600 for most projects; custom builds can cost more.
Do I need a permit for a bathroom remodel in Columbia?
Usually for plumbing or electrical changes. Your contractor should pull permits; confirm with your local building department.
Sources: national bathroom remodel figures (range $2,500–$30,000, ~$12,140 average, $70–$250/sq ft, small/mid/primary ranges, drain-move cost) come from the BathEstimates 2026 cost guide. All other ranges (tub-to-shower, walk-in shower, bathtub replacement, city adjustments) are BathEstimates editorial estimates based on typical scope, materials and labor — not survey data. Always compare written quotes from licensed local contractors.