J&j Designs Inc
Heat pump installer based in Smithtown.
- License active
4 jobs on New York permits, 2024 to 2025: 3 heat pump installations, 1 roofing job. 95th most heat pump permits of 118 contractors in New York.
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 622490, active in the city's records on Sep 24, 2026General contractor | Checks out |
| Jobs on record | 4 jobs on New York permits, 2024 to 2025: 3 heat pump installations, 1 roofing jobThey are based in Smithtown. Work outside New York is not in these records.95th most heat pump permits of 118 licensed contractors in New York. That counts jobs, not quality.Our New York permit records cover September 2021 to September 2026.Of their 3 heat pump permits, 2 mention ductless or mini-split units. |
Records: the city Department of Buildings and City of New York permits.
Cost and timing
Permit value (not a price)
Their typical permit lists $50,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Across New York the middle heat pump job is $35,000.
Get 2 or 3 written quotes.
Permit timeline
Across New York, a heat pump permit stays open about about 6 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. Waiting for the permit adds about 57 days. How long heat pump jobs take.
Track record
Where they work most
- 100271 job
- 100121 job
- 104651 job
- 114271 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 |
|---|---|---|---|
| Dec 15, 2025 | Heat pumpHerewith filed MH work for an existing 4- story 2-family house | 10027 | $50,000 |
| Apr 22, 2025 | Heat pumpMechanical work associated with new heat pump system for 1st fl residential unit | 10012 | $28,500 |
| Jan 13, 2025 | Heat pumpThis application is filed for interior and exterior renovation , convert an existing 1 family … | 10465 | $370,000 |
| Jul 2, 2024 | ReroofConstruct vertical additions, new roof structure | 11427 | $450,000 |
What to ask before you hire
About J&j Designs 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 heat pump installer
- Can you show me proof of liability insurance and your bond?
- What size unit, and did you measure the house to choose it?
- Do my ducts or my electrical panel need work first?
- Who pulls the permit, and what rebates apply?
Get a quote from J&j Designs Inc
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See all 118 heat pump installers in New York, ranked by jobs
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