Looking for a basement contractor in Knightdale, NC? Describe your project once and up to three basement contractors who work in Knightdale and Wake County get back to you with a quote. It's free and there is no obligation.
Knightdale is home to about 21,829 people (2024 Census Bureau estimate), a growing community (+12.1% since 2020). With 2,268 people per sq mi, it is a suburban area. Full basements are common here and often the cheapest way to add living space.
Knightdale at a glance
- Population (Census Bureau estimate, 2024)
- 21,829 (+12.1% since 2020)
- Rank in North Carolina
- 47th of 549 cities and towns
- Land area
- 9.6 sq mi
- Population density
- 2,268 people per sq mi (suburban)
- Type
- Town (Knightdale town)
- Main county
- Wake County
What to check before hiring in Knightdale
- Moisture first: waterproof before finishing.
- Egress: in North Carolina, a basement bedroom needs an escape opening.
- Radon: test before you finish.
- Price drivers: size, bathroom, ceiling height, finishes and egress.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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EPA: radon
Official information and guidance.
Services available in Knightdale
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Basement finishing
Framing, insulation, electrical, drywall and flooring of a basement, with permit.
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Basement bathroom or rental unit
Bathroom, kitchenette or legal basement unit with egress and plumbing.
Frequently asked questions in Knightdale
How much does basement finishing cost in Knightdale, NC?
It depends on size, bathroom and finishes. Describe your basement: contractors who serve Knightdale reply with a quote.
How long does it take?
Often several weeks.
Can I rent it out?
Only if local rules allow an accessory unit; check zoning.
Which basement contractors will contact me?
Up to three independent basement contractors who serve Knightdale and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.