Contractor in Jefferson, WI.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Create a free account Or subscribe to message in-appBidroom indexed this listing from public Wisconsin 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.
Koenig Concrete Corp. is a contractor based in Jefferson, Wisconsin. Their license classification is Footing and foundation concrete contractors.
Yes. Koenig Concrete Corp. holds Wisconsin licensing authority license #OSHA-b135bd3604bd44. Verify the current status on Wisconsin licensing authority before hiring.
Koenig Concrete Corp. is based in Jefferson, WI 53549. Most contractors 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 — Koenig Concrete Corp. and up to 2 other verified contractors in Jefferson can bid on it, and every quote includes itemized pricing + a written scope of work.
Varies by scope varies is the typical range. Contractor pricing depends heavily on project size, materials, and access. Get at least 3 itemized written quotes before deciding. Local market rates in Jefferson may run higher than this baseline.
Not yet. This listing was created from public Wisconsin 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 Wisconsin licensing authority — 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.
Contractor pricing depends heavily on project size, materials, and access. Get at least 3 itemized written quotes before deciding.
Ranges are national averages. Jefferson market rates may run 10–30% higher in high-cost metros. Get itemized bids to compare apples-to-apples.