Kdt Construction Ltd
Home addition contractor working in Boulder.
- Boulder publishes no contractor license list we can check
7 jobs on Boulder permits, 2022 to 2026: 4 home additions, 3 remodels. 28th most addition permits of 48 contractors in Boulder.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | Boulder publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 7 jobs on Boulder permits, 2022 to 2026: 4 home additions, 3 remodelsTheir permits mention 2 decks, 1 bathroom, 1 basement.28th most addition permits of 48 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
All addition jobs in Boulder: $22,000 to $260,000
Half of 503 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in Boulder: $57,000 to $420,000 (36 permits)
- Garage additions in Boulder: $80,000 to $484,000 (115 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $150,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What addition jobs cost in Boulder.
Get 2 or 3 written quotes.
Track record
Jobs per quarter
Where they work most
- 803045 jobs
- 803021 job
- 803051 job
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Jan 14, 2026 | RemodelSingle family detached residential deck remodel project Demolition and rebuild of an existing 455… | 80304 | $25,000 |
| Jan 14, 2026 | AdditionSingle family detached residential deck remodel project Demolition and rebuild of an existing 455… | 80304 | $25,000 |
| Jul 17, 2025 | AdditionSingle family detached residential addition project New 363 SF, one story, exercise room addition,… | 80304 | $225,000 |
| Jun 20, 2025 | AdditionSingle family detached residential addition project New 260 SF, one room exercise room addition,… | 80302 | $225,000 |
| May 9, 2024 | RemodelRemodel of two existing bathrooms at upper level, for a total of 177 sf | 80305 | $79,000 |
| Mar 15, 2023 | RemodelFirst Floor Remodel (150 SF), involving installation of sliding door, electrical work, new gas… | 80304 | $102,200 |
| Feb 22, 2022 | AdditionFinishing of 900sf in basement | 80304 | $75,000 |
What to ask before you hire
About Kdt Construction Ltd
- 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 home addition contractor
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans and engineering, or do I hire them?
- 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 Kdt Construction Ltd
Five quick questions. We pass your request to Kdt Construction Ltd.
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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 roomMore home addition contractors near 80304 and 80302
- Decks By Caio
- O'keefe Built, Inc
- Heartwood Builders, Inc
- Cosman Construction
- Denver Decks, LLC
- Ellsworth Builders, Inc
See all 48 home addition contractors in Boulder, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.