Plumber in Manassas, VA.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Subscribe to unlock Or start a 7-day free trialBidroom indexed this listing from public Virginia license records. Before signing a contract, take 2 minutes to verify the credentials yourself using the official sources below.
A valid license number on file doesn't guarantee current status. License standing can change — always verify on the state board the day you hire.
Cary M Knox is a plumber based in Manassas, Virginia.
Yes. Cary M Knox holds Virginia DPOR license #062215. Verify the current status on Virginia DPOR before hiring.
Cary M Knox is based in Manassas, VA 20112. Most plumbers serve a 25–50 mile radius from their home base, but always confirm coverage before requesting a bid.
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The fastest way is to post your project on Bidroom — Cary M Knox and up to 2 other verified plumbers in Manassas can bid on it, and every quote includes itemized pricing + a written scope of work.
$75 – $175 per hour is the typical range. Emergency / after-hours up to 2x. Water heater replacement $1,200–$3,500. Sewer line repair $1,500–$8,000. Local market rates in Manassas may run higher than this baseline.
Not yet. This listing was created from public Virginia license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Quick checklist any homeowner can use — these are the 8 things that distinguish hiring well from getting burned.
Itemized scope + materials + timeline. One quote is a guess; three is data.
Look up the number directly on Virginia DPOR — not just a screenshot from the contractor.
General liability AND workers' comp. Have the insurer email it directly — never accept a PDF from the contractor.
Same trade, same scope, completed in the last 12 months. Call them.
Scope, payment schedule, start & completion dates, change-order process, warranty terms.
Standard: 10–30% deposit, progress draws tied to milestones, final 10% on punch-list completion.
Get a conditional waiver with every payment and an unconditional waiver at final payment. Protects your title.
For anything structural, electrical, plumbing, or HVAC — the contractor (not you) pulls the permit. No permit = no recourse if work fails inspection.
Emergency / after-hours up to 2x. Water heater replacement $1,200–$3,500. Sewer line repair $1,500–$8,000.
Ranges are national averages. Manassas market rates may run 10–30% higher in high-cost metros. Get itemized bids to compare apples-to-apples.