Treewright Construction Services LLC
Home addition contractor based in Aurora.
- License active
- Insurance and bond on file
24 jobs on Chicago permits, 2021 to 2026: 14 ADUs, 6 home additions, 4 remodels. 52nd most addition permits of 186 contractors in Chicago.
What the public records show
From the city's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License TGC115305, active in the city's records on Oct 2, 2026General Contractor (Class C)Class C lets them take jobs up to $10 million.We found this license by the business name. No other active license has that name. | Checks out |
| Insurance and bond? | Insurance and bond on file with the city, good until Mar 23, 2027The city requires both for this license. Ask for a copy of the insurance certificate. | On file |
| Jobs on record | 24 jobs on Chicago permits, 2021 to 2026: 14 ADUs, 6 home additions, 4 remodelsThey are based in Aurora. Work outside Chicago is not in these records.Their permits mention 4 porchs, 3 basements, 2 decks.52nd most addition permits of 186 contractors in Chicago. That counts jobs, not quality.Our Chicago permit records cover September 2021 to September 2026. |
Records: the city Department of Buildings and City of Chicago permits.
Cost and timing
All addition jobs in Chicago: $95,000 to $300,000
Half of 2,442 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in Chicago: $95,000 to $238,000 (1,075 permits)
- Garage additions in Chicago: $100,000 to $375,000 (499 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 $490,000 (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 Chicago.
Get 2 or 3 written quotes.
Permit wait
Across Chicago, addition permits usually take about 3 months to be issued
Track record
4 jobs in the last 12 months, down from 6 the year before
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 | On the permit form |
|---|---|---|
| Aug 14, 2026 | Addition2019 spr: new 1st floor addition & front porch for existing 2 story frame single family residence | $110,000 |
| Jul 29, 2026 | RemodelNo details on the permit | $100,000 |
| Jul 29, 2026 | ADUNo details on the permit | $100,000 |
| Nov 3, 2025 | ADU2019 spr - adu north zone | not stated |
| Sep 22, 2025 | AdditionInterior & exterior renovation to existing (6) d.u | $700,000 |
| Sep 22, 2025 | ADUInterior & exterior renovation to existing (6) d.u | $700,000 |
| Jun 2, 2025 | AdditionNo details on the permit | $550,000 |
| May 2, 2025 | ADUNo details on the permit | $200,000 |
| Mar 10, 2025 | AdditionNo details on the permit | $430,000 |
| Oct 2, 2024 | ADUNo details on the permit | $250,000 |
| Sep 18, 2024 | ADUNo details on the permit | $175,000 |
| Sep 9, 2024 | AdditionProposed front 5th floor addition, rear 5 story addition w/roof deck, rear decks, balconies, trash… | $1,600,000 |
| Apr 19, 2024 | ADUNo details on the permit | $70,000 |
| Jan 9, 2024 | RemodelSelf cert 2019 crbc; interior remodel of existing 2-story ,masonry, 3-unit residential building… | $500,000 |
| Sep 1, 2023 | ADUNo details on the permit | $80,000 |
| Apr 21, 2023 | ADUNo details on the permit | $270,000 |
| Mar 23, 2023 | ADUNo details on the permit | $270,000 |
| Dec 8, 2022 | ADUNo details on the permit | $218,000 |
| Oct 18, 2022 | ADUNo details on the permit | $99,000 |
| Jul 13, 2022 | Remodel2019 self-cert | $350,000 |
| Mar 1, 2022 | Remodel2019 spr: interior remodeling with mep to existing 3du, 2 story brick and frame building with… | $450,000 |
| Oct 29, 2021 | ADUNo details on the permit | $75,500 |
| Oct 15, 2021 | Addition2019 self-cert | $409,500 |
| Oct 15, 2021 | ADUNo details on the permit | $300,000 |
What to ask before you hire
About Treewright Construction Services LLC
- 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 Treewright Construction Services LLC
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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.
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