Michael Loonstyn (mjl Contracting Llc)
Home addition contractor working in Philadelphia.
- License active
6 addition jobs on Philadelphia permits, 2022 to 2026. 24th most addition permits of 104 contractors in Philadelphia.
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 43754, active in the city's records on Sep 24, 2026Contractor | Checks out |
| Jobs on record | 6 addition jobs on Philadelphia permits, 2022 to 2026Every permit we have for them is addition.Their permits mention 6 decks, 2 basements.24th most addition permits of 104 licensed contractors in Philadelphia. That counts jobs, not quality.Our Philadelphia permit records cover September 2021 to September 2026. |
Records: the city Department of Licenses and Inspections and City of Philadelphia permits.
Cost and timing
Permit timeline
Across Philadelphia, a addition permit stays open about about 12 months, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. How long addition jobs take.
Track record
Jobs per quarter
Where they work most
- 191306 jobs
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 |
|---|---|---|---|
| Apr 9, 2026 | AdditionFor the 2nd and 3rd floor addition extension, reconstruction of 1-story rear portion of building,… | 19130 | not stated |
| Jan 14, 2026 | AdditionInterior renovation and for the erection of an addition above an existing attached structure, roof… | 19130 | not stated |
| Aug 7, 2024 | AdditionFor the erection of a rear two story addition over existing one-story portion with roof deck and… | 19130 | not stated |
| Mar 27, 2024 | AdditionRear roof deck addition to an existing structure, details as Shwon on plan | 19130 | not stated |
| Nov 15, 2022 | AdditionLevel ii alteration of existing 3-story single family attached building with cellar | 19130 | not stated |
| Mar 21, 2022 | AdditionLevel ii alteration of existing 2-story, single family attached building with cellar | 19130 | not stated |
What to ask before you hire
About Michael Loonstyn (mjl Contracting 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?
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