William C Giesey
Home addition contractor working in Philadelphia.
- License active
12 jobs on Philadelphia permits, 2022 to 2026: 6 home additions, 5 remodels, 1 roofing job. 27th 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 42420, active in the city's records on Sep 24, 2026Contractor | Checks out |
| Jobs on record | 12 jobs on Philadelphia permits, 2022 to 2026: 6 home additions, 5 remodels, 1 roofing jobTheir permits mention 3 decks.27th 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
- 191465 jobs
- 191474 jobs
- 191252 jobs
- 191191 job
Jobs by kind of work
- Addition
- Remodel
- Reroof
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 |
|---|---|---|---|
| Sep 10, 2026 | RemodelFirst floor kitchen remodel within existing footprint with modifications at rear wall per final… | 19147 | not stated |
| Aug 31, 2026 | AdditionFor the erection of a one-story addition at the rear of an existing semi-detached single-family… | 19146 | not stated |
| Sep 22, 2025 | ReroofMake safe permit to comply with cf-2025-010337 to include partial demo and the repairs/replacement… | 19146 | not stated |
| Aug 8, 2024 | AdditionFor the erection of a third floor addition with a roof deck accessed by a spiral staircase from a… | 19146 | not stated |
| Jan 2, 2024 | AdditionRENOVATIONS AND THE ERECTION OF A REAR ADDITION Amendment #1: Amend to reduce the square footage… | 19125 | not stated |
| Aug 8, 2023 | AdditionFor the erection of an addition and interior alterations to combine 2 existing attached structures… | 19147 | not stated |
| Feb 24, 2023 | Addition3rd floor addition above existing 2nd floor roof, details as shown on plan. permit amended on… | 19146 | not stated |
| Jan 25, 2023 | Remodel | 19125 | not stated |
| Jan 23, 2023 | Remodel | 19119 | not stated |
| Aug 22, 2022 | Remodel | 19147 | not stated |
| Jul 25, 2022 | Remodel | 19147 | not stated |
| Jan 27, 2022 | AdditionFor the construction of a rear addition to an existing attached structure with roof deck and roof… | 19146 | not stated |
What to ask before you hire
About William C Giesey
- 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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