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Gj Koeppen Construction

Remodeling contractor working in Boulder.

  • Boulder publishes no contractor license list we can check

7 jobs on Boulder permits, 2022 to 2026: 4 remodels, 3 home additions. 37th most remodel permits of 65 contractors in Boulder.

What the public records show

From the city's permits, one question at a time.

QuestionRecords showMark
Licensed?Boulder publishes no contractor license list we can checkThat says nothing about this business either way.Ask them
Jobs on record7 jobs on Boulder permits, 2022 to 2026: 4 remodels, 3 home additionsTheir permits mention 3 kitchens, 2 bathrooms, 2 basements.37th most remodel permits of 65 contractors in Boulder. That counts jobs, not quality.Our Boulder permit records cover September 2021 to September 2026.

Records: City of Boulder permits.

Cost and timing

Permit value (not a price)

Their typical permit lists $82,500 (half list more, half less)

That is the figure written on the permit form, which can be far from what you pay. What remodel jobs cost in Boulder.

Get 2 or 3 written quotes.

Track record

Jobs per quarter

Q2 2022: 1 jobQ4 2022: 1 jobQ1 2023: 1 jobQ1 2024: 1 jobQ4 2025: 1 jobQ1 2026: 1 jobQ2 2026: 1 jobBusiest: 1 jobBusiest: 1 job2023202420252026
Each bar is 3 months of permits. The tallest is 1 job, April to June 2022.

Where they work most

  • 803032 jobs
  • 803022 jobs
  • 803042 jobs
  • 803011 job

Jobs by kind of work

Latest jobs

Permit values are what the contractor wrote on the permit form, not what the owner paid.

DateWorkZIPOn the permit form
Jun 17, 2026RemodelKitchen remodel including removal of load bearing wall80303$75,000
Jan 23, 2026RemodelRemodel partial bathroom in basement to include new bathtub, toilet and lavatory sink80302$30,000
Dec 2, 2025RemodelInterior renovation only, no change to exterior envelope80303$100,000
Feb 8, 2024Remodel300 sf kitchen remodel including structural modification to remove load bearing wall and add new…80301$90,000
Feb 23, 2023AdditionPermit to alter an existing detached garage including demolition of the east end of the garage…80304$12,000
Dec 15, 2022AdditionA new 245 sf main floor addition & new 911 sf upper floor addition to an existing one-level ranch…80304$398,000
Apr 25, 2022Addition, 180 sq ftNew 180 Sqft deck off of rear of home ADDITION80302$18,000

What to ask before you hire

About Gj Koeppen Construction

  • Ask for their license number and check it with the state.
  • Ask what the warranty covers and for how long, in writing.
  • Search their name on the Better Business Bureau site, and read their reviews.

Worth asking any remodeling contractor

  • Can you show me proof of liability insurance and your bond?
  • What is in the price, and how do you price changes once work starts?
  • Who will run the job day to day, and who are the subcontractors?
  • Who pulls the permits, and what is the payment schedule?

Get a quote from Gj Koeppen Construction

Five quick questions. We pass your request to Gj Koeppen Construction.

You decide who to hire. Your details go only to the contractors you pick. How we use your details

1. Where is the job?

We match contractors who work near it. We never ask for your street address.

2. What do you need?

Pick any that fit.

3. When do you want to start?
4. What is your rough budget?

A range is fine. It helps contractors reply with a real number.

5. Where should we send it?

Your contact details go only to who you pick here.

Sent. We have your request.

We pass it to Gj Koeppen Construction. Replies usually come within a few days.

Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.

Open your job room

More remodeling contractors near 80303 and 80302

See all 65 remodeling contractors in Boulder, ranked by jobs

Run this business? Claim this page to get requests by email and reply to homeowners here.

Is this your business? Correct a record or add your warranty terms. It is free.

We check every change before it goes on the page, usually within a week, and may call to confirm you run the business.