Questions to Ask a Bathroom Contractor

Questions to Ask a Bathroom Contractor

Protect your budget and timeline with specific contractor questions about scope, waterproofing, change orders, and warranties for bathroom remodels.

1

Can you walk me through your typical bathroom remodel timeline by phase?

Establishes expectations and reveals scheduling realism and dependencies.

2

How do you handle waterproofing for showers and tubs—materials and methods?

Targets failure-prone areas; specifics indicate quality and code compliance.

3

What’s included in your bid vs. considered an allowance?

Prevents budget creep by clarifying fixtures, tile, and finish selections.

4

How are change orders documented and priced?

Avoids disputes with a clear paper trail and pricing formula.

5

Who will be on-site daily and who supervises subs?

Identifies responsibility and communication during the build.

6

Do you carry liability insurance and workers’ comp? Can you provide proof?

Protects you from liability and ensures professional standards.

7

Can I see recent bathroom projects with references?

Checks craftsmanship and client satisfaction for similar scope.

8

How do you protect adjacent rooms and manage dust?

Assesses site protection practices that impact daily living.

9

What’s your plan for ventilation, moisture control, and code requirements?

Prevents mold and ensures long-term durability and safety.

10

How do you verify plumbing and electrical are to code before close-up?

Ensures inspections and checklists reduce rework risk.

11

What is your warranty on workmanship and materials?

Aligns expectations for support if defects appear post-completion.

12

How do you handle lead times and supply delays?

Tests contingency planning for materials and sequencing.

13

Will you obtain all required permits, and how are inspections scheduled?

Confirms compliance and project momentum with authorities.

14

What is the payment schedule tied to milestones?

Protects cash flow and incentivizes progress.

15

How do you manage tile layout and transitions for aesthetics?

Reveals attention to detail and design coordination.

16

What brands and systems do you prefer for shower pans and valves?

Connects brand choices to reliability and serviceability.

17

How will you confirm slope and drainage in wet areas?

Prevents pooling and long-term water damage.

18

What access will you need daily and what hours do you work?

Aligns logistics with household routines and noise limits.

19

What are the biggest risks to schedule and budget on this project?

Invites transparency and proactive mitigation planning.

20

Can we review a detailed scope of work before signing?

Locks alignment on deliverables and reduces surprises.

Want to learn more?

Bathroom Remodel Contracting 101

Scope, Specs, and Proof

Document Everything

Put selections, layouts, and tolerances in writing to avoid ambiguity.

Vet Waterproofing

Ask for product names and installation standards; water drives most failures.

Link Payments to Milestones

Release funds only after verifiable progress to reduce risk.

Milestone Schedule

Five Milestones

1
Demo complete
2
Rough-in approved
3
Waterproofing complete
4
Tile set
5
Final punchlist

Common Pitfalls

Vague Allowances

Unclear fixture budgets inflate costs later—spec real items up front.

No Dust Control

Insist on barriers, negative air, and clean-up plans.

Change Order Template

What to Include

1
Step 1: Description
2
Step 2: Cost
3
Step 3: Schedule impact
4
Step 4: Approvals

Further Reading

TCNA Handbook (Tile Council)
Local building code guidance