Leonard & Son Construction Company, Inc
Home addition contractor based in Chicago.
- License active
- Insurance and bond on file
52 jobs on Chicago permits, 2021 to 2026: 32 home additions, 19 remodels, 1 roofing job. 3rd 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 TGC04306, active in the city's records on Oct 2, 2026General Contractor (Class E)Class E lets them take jobs up to $500,000.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 Jul 15, 2027The city requires both for this license. Ask for a copy of the insurance certificate. | On file |
| Jobs on record | 52 jobs on Chicago permits, 2021 to 2026: 32 home additions, 19 remodels, 1 roofing jobTheir permits mention 27 basements, 18 decks, 6 garages, 3 porchs.3rd 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 $234,386 (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
5 jobs in the last 12 months, about the same as 5 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 20, 2026 | AdditionNo details on the permit | $120,000 |
| Aug 10, 2026 | Reroof, 150 sq ftRoof replacement | $1,500 |
| Feb 17, 2026 | RemodelNo details on the permit | $370,000 |
| Feb 17, 2026 | AdditionNo details on the permit | $370,000 |
| Oct 22, 2025 | AdditionNo details on the permit | $161,000 |
| Mar 20, 2025 | RemodelNo details on the permit | $158,843 |
| Mar 20, 2025 | AdditionNo details on the permit | $158,843 |
| Feb 19, 2025 | RemodelRemodeling of 1st floor kitchen and bath, remove and replace drywall,, replace floors, tiles,… | $35,000 |
| Oct 31, 2024 | RemodelNo details on the permit | $293,752 |
| Oct 31, 2024 | AdditionNo details on the permit | $293,752 |
| May 13, 2024 | RemodelNo details on the permit | $430,000 |
| May 13, 2024 | AdditionNo details on the permit | $430,000 |
| Apr 2, 2024 | AdditionNo details on the permit | $480,000 |
| Sep 21, 2023 | AdditionProposed 2 story rear frame addition w/basement, interior alterations to an existing 2 story sfr… | $238,772 |
| Aug 4, 2023 | AdditionRs-3 interior renovation and first floor addition to existing 1 story brick single family residence… | $138,000 |
| Jun 2, 2023 | AdditionNo details on the permit | $160,000 |
| Apr 18, 2023 | Remodel | $245,061 |
| Apr 18, 2023 | Addition | $245,061 |
| Jan 31, 2023 | Remodel | $368,570 |
| Jan 31, 2023 | Addition | $368,570 |
| Jan 27, 2023 | Remodel | $260,000 |
| Jan 27, 2023 | Addition | $260,000 |
| Oct 5, 2022 | RemodelProposed 2nd floor frame addition with attic, interior remodeling and alterations, replace front… | $300,000 |
| Oct 5, 2022 | AdditionProposed 2nd floor frame addition with attic, interior remodeling and alterations, replace front… | $300,000 |
| Sep 2, 2022 | AdditionProposed 1 story rear frame addition with basement and 3 seasons room, interior alterations and new… | $150,000 |
| Aug 17, 2022 | AdditionRs-2 r-5 interior alterations and second floor addition to existing single family residence with… | $80,000 |
| Jul 15, 2022 | AdditionNo details on the permit | $100,000 |
| Jul 12, 2022 | AdditionNo details on the permit | $230,000 |
| Jun 27, 2022 | RemodelBasement remodeling: replace drywall, patch, prime and paint | $35,709 |
| Mar 25, 2022 | AdditionSelf-cert 2019 new second floor addition to an existing 1-1/2 story brick residential building and… | $200,000 |
| Mar 15, 2022 | RemodelProposed 2nd floor frame addition, interior remodeling andalterations, new rear wood deck to an… | $262,000 |
| Mar 15, 2022 | AdditionProposed 2nd floor frame addition, interior remodeling andalterations, new rear wood deck to an… | $262,000 |
| Mar 14, 2022 | AdditionProposed 2nd floor frame partial addition and interior alterations to an existing 2 story brick… | $110,000 |
| Feb 15, 2022 | Remodel | $194,000 |
| Feb 15, 2022 | Addition | $194,000 |
| Jan 24, 2022 | RemodelProposed 2 story rear frame addition, interior remodeling and alterations, new side and rear wood… | $267,000 |
| Jan 24, 2022 | AdditionProposed 2 story rear frame addition, interior remodeling and alterations, new side and rear wood… | $267,000 |
| Jan 20, 2022 | Remodel | $255,000 |
| Jan 20, 2022 | Addition | $255,000 |
| Jan 7, 2022 | RemodelProposed 2nd floor frame addition and rear 2 story rear frame addition with basement, interior… | $250,000 |
What to ask before you hire
About Leonard & Son Construction Company, Inc
- 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?
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See all 186 home addition contractors in Chicago, ranked by jobs
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