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COMPANY RECORD · PHILADELPHIA, PA

Willetts Sprinkler Design, Inc. — permit history in Philadelphia, PA

Willetts Sprinkler Design, Inc. appears on 75 Philadelphia permit records from 2021 through 2026, all of them fire suppression.

Latest permits

IssuedCategoryAddress in sourceScope as filed
2026-10-29Fire Suppression1833 HOPE STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
2026-09-23Fire Suppression1122 FRANKFORD AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
2026-09-18Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
2026-09-10Fire Suppression2 W GIRARD AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
2026-08-06Fire Suppression5416-26 LENA STINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13R THROUGHOUT THE BUILDING TO INCLUDE 4" MAIN FIRE SERVICE LINE WITH A 4" AMES DERINGERN 20 BACKFLOW PREVENTION ASSEMBLY AN

The 5 most recent filings; the full list is further down.

Permit categories

CategoryPermitsShare
Fire Suppression75100%

Activity by year

YearPermits issued
20218
202221
202319
20248
202510
20269

Busiest year on record: 2022, with 21 permits. One project can account for several filings, so read this as filing activity rather than workload.

Names on the same project timelines

Name in sourceLinked permitsLast seen
Axis Construction Mngmnt LLC82026-09-18
Tsc Builders Inc42023-09-18
Pelco Builders Inc.42024-09-03
Reed St Builders LLC42023-08-04
Swinerton Builders42023-03-06
Kyle Broeker32025-12-01
Palmieri Enterprises Inc32022-06-02
Benchmark Construction Group Inc22024-04-09
Patriot Construction22023-10-02
C Raymond Davis & Sons Inc12022-06-08
Adams-Bickel Associates, LLC12023-10-09
Atlas Building Group LLC12021-12-23

31 named participants share a resolved project timeline with Willetts Sprinkler Design, Inc.. A shared timeline is a research lead, not proof of a partnership or a current contract. Names appear as the authority published them.

Where they worked

Address in sourceMost recent permit
1833 HOPE ST2026-10-29
1122 FRANKFORD AVE2026-09-23
3300 HENRY AVE2026-09-18
2 W GIRARD AVE2026-09-10
5416-26 LENA ST2026-08-06
1352 SOUTH ST2026-05-05
311 S JUNIPER ST2026-02-06
1214 N AMERICAN ST2025-12-01
1713 N FRONT ST2025-11-07
1213 CREASE ST2025-09-25
627 S 60TH ST2025-08-28
2301 E ALLEGHENY AVE2025-06-18
1602-04 LOCUST ST2025-05-08
2800 GRAYS FERRY AVE2025-04-24

58 distinct addresses on record; the 14 most recent are shown. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.

Also named on permits at the same addresses

CompanyShared addressesYears
Fred Dinardo Jr72021–2026
Sanks Mechanical72022–2026
Klehr Harrison Harvey Branzburg LLP62021–2026
Plumbing Resolution Inc52022–2026
Forman Sign Company Inc52022–2026
Tandem Associates Inc42022–2026
Apex Mechanical Inc42022–2026
B.H. Holdings Corp ( Emergency Response Associates)42023–2026

Companies that also appear in Philadelphia permit records at addresses where Willetts Sprinkler Design, Inc. filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.

Permits on record

75 permits; open the 50 most recent
PermitIssuedCategoryAddress in sourceScope as filedDeclared value
FP-2026-0020262026-10-29Fire Suppression1833 HOPE STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0020042026-09-23Fire Suppression1122 FRANKFORD AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0019762026-09-18Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0018252026-09-10Fire Suppression2 W GIRARD AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0013212026-08-06Fire Suppression5416-26 LENA STINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13R THROUGHOUT THE BUILDING TO INCLUDE 4" MAIN FIRE SERVICE LINE WITH A 4" AMES DERINGERN 20 BACKFLOW PREVENTION ASSEMBLY AN
FP-2026-0010292026-06-02Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0008202026-05-05Fire Suppression1352 SOUTH STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0001782026-02-06Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2026-0001732026-02-06Fire Suppression311 S JUNIPER STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2025-0022632025-12-01Fire Suppression1214 N AMERICAN STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2025-0018142025-11-07Fire Suppression1713 N FRONT STFOR THE INSTALLATION OF A FIRE SUPPRESSION SYSTEM IN ACCORDANCE WITH NFPA 13 THROUGHOUT THE ENTIRE BUILDING WITH 6” FIRE SERVICE, 6" BACKFLOW PREVENTION ASSEMBLY, AND STANDPIPES CO
FP-2025-0018602025-09-25Fire Suppression1213 CREASE STFOR THE INSTALLATION OF A NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT AN EXISTING STRUCTURE. INSTALLATION TO INCLUDE 2" FIRE SERVICE LINE AND 2." DC AMESS 2000
FP-2025-0016532025-08-28Fire Suppression627 S 60TH STFOR INSTALLATION OF A FOUR-INCH FIRE SERVICE LINE, FOUR-INCH BACKFLOW PREVENTER AND FIRE SPRINKLER SYSTEM IN ACCORDANCE WITH APPROVED PLANS, HYDRAULIC CALCULATIONS AND NFPA 13. *AM
FP-2025-0013102025-06-18Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2025-0013112025-06-18Fire Suppression2301 E ALLEGHENY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2025-0009892025-05-08Fire Suppression1602-04 LOCUST STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2025-0006892025-04-24Fire Suppression2800 GRAYS FERRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2024-0026452025-03-18Fire Suppression526 E CHELTEN AVEFOR THE INSTALLATION OF SPRINKLER HEADS IN ACCORDANCE WITH NFPA 13 ON THE SECOND FLOOR, THIRD FLOOR, AND ATTIC LEVELS WITH EXISTING FIRE SERVICE LINE, A NEW BACKFLOW PREVENTION DEV
FP-2024-0025822025-02-06Fire Suppression1148 FRANKFORD AVEINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT AN EXISTING STRUCTURE. INSTALLATION TO INCLUDE 6" FIRE SERVICE LINE AND 6." DC AMESS 2000SS BACKFLOW PREVENT
FP-2024-0026592024-12-30Fire Suppression1300-02 S 18TH STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2024-0025852024-12-13Fire Suppression3300 HENRY AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2024-0024082024-11-13Fire Suppression1300-02 S 18TH STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2024-0018532024-09-03Fire Suppression901 CANAL STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2024-0003632024-07-18Fire Suppression910 FAIRMOUNT AVEFOR THE INSTALLATION OF A NEW 2.5" BACKFLOW PREVENTION ASSEMBLY. ALL WORK SHALL BE PERFORMED BY A FIRE SUPPRESSION CONTRACTOR LICENSED BY THE CITY OF PHILADELPHIA.
FP-2024-0008152024-05-29Fire Suppression2036 SANSOM STINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 & 13R THROUGHOUT THE BUILDING TO INCLUDE 4" MAIN FIRE SERVICE LINE WITH A 4" AMES 2000SS BACKFLOW PREVENTION ASSEMBLY AS
FP-2024-0009602024-05-28Fire Suppression1602-04 LOCUST STEXTENSION OF EXISTING FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT THE FIRST FLOOR AS PER APPROVED PLANS. NO WORK TO EXISTING SPRINKLER RISER OR OTHER FLOOR LEVELS OF
FP-2024-0004632024-04-09Fire Suppression23-29 W GIRARD AVEFOR THE INSTALLATION OF NEW AUTOMATIC WET AND DRY SPRINKLER SYSTEMS THROUGHOUT A SIX (6) STORY MIXED-USE BUILDING IN ACCORDANCE WITH NFPA 13 TO INCLUDE A SIX (6) INCH FIRE SERVICE
FP-2023-0028592023-12-29Fire Suppression2001-53 OREGON AVEFOR THE INSTALLATION OF A SIX-INCH BACKFLOW PREVENTER IN AN EXISTING FIRE SPRINKLER SYSTEM PER APPROVED PLANS AND NFPA 13.
FP-2023-0011872023-12-05Fire Suppression2101 WASHINGTON AVEFOR THE INSTALLATION OF A 8-INCH FIRE SERVICE LINE FOR AN AUTOMATIC FIRE SUPPRESSION SPRINKLER SYSTEM WITH A BACKFLOW PREVENTION ASSEMBLY, STANDPIPES, FIRE PUMP IN ACCORDANCE WITH
FP-2023-0027132023-11-15Fire Suppression10063 SANDMEYER LNEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2023-0008262023-11-02Fire Suppression614 S 13TH STINSTALL ONE (1) NEW FIRE SUPPRESSION SYSTEM TO INCLUDE A 6" FIRE SERVICE IN ACCORDANCE WITH NFPA 13 THROUGHOUT THE BUILDING. ALL WORK SHALL COMPLY WITH THE APPROVED PLANS. ALL WORK
FP-2023-0023832023-10-09Fire Suppression301 S 19TH STFOR THE INSTALLATION / RELOCATION OF 210 SPRINKLER HEADS TO AN EXISTING FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT THE BUILDING. AS PER APPROVED PLANS. ALL WORK SHAL
FP-2023-0023292023-10-02Fire Suppression5505 TACONY STEZ PERMIT SPRINKLER RELOCATION (NFPA 13) - For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and s
FP-2023-0022132023-09-18Fire Suppression1600 W GIRARD AVEEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2023-0008202023-08-29Fire Suppression933 CANAL STFOR THE INSTALLATION OF AN NFPA 13 FIRE SUPRESSION SYSTEM SERVICED BY AN EIGHT (8) INCH PRIVATE FIRE SERVICE LINE CONNECTED TO A PREVIOUSLY APPROVED 8" PRIVATE MAIN WITH A FIRE PU
FP-2023-0009152023-08-21Fire Suppression933 CANAL STFOR THE INSTALLATION OF A 6-INCH FIRE SERVICE LINE FOR AN AUTOMATIC FIRE SUPPRESSION SPRINKLER SYSTEM WITH A BACKFLOW PREVENTION ASSEMBLY LOCATED AT METER PIT IN ACCORDANCE WITH NF
FP-2023-0019182023-08-09Fire Suppression301 S 19TH STRough-In Permit for FP-2023-001864 Replacing sprinkler lines and heads throughout existing 16 floor residential building.
FP-2023-0011322023-08-04Fire Suppression1122 FRANKFORD AVEFOR THE INSTALLATION OF A NEW FIRE SUPPRESSION SYSTEM DESIGNED PER NFPA 13 STANDARD WITH A SIX INCH FIRE SERVICE LINE, STANDPIPES AND SPRINKLER LAYOUT AS PER PLANS.
FP-2023-0015702023-07-13Fire Suppression5452-58 GERMANTOWN AVEFOR THE INSTALLATION OF A BACKFLOW PREVENTION ASSEMBLY FOR LIMITED SYSTEM. ALL WORK SHALL BE DONE IN ACCORDANCE WITH APPROVED PLANS.
FP-2023-0015642023-07-12Fire Suppression5511 GREENE STFOR THE INSTALLATION OF BACKFLOW PREVENTION ASSEMBLY ON EXISTING SUPPRESSION SYSTEM IN ACCORDANCE WITH NFPA 13. ALL WORK SHALL BE DONE IN ACCORDANCE WITH APPROVED PLANS/HYDRAULIC C
FP-2023-0000102023-06-13Fire Suppression5350 OGONTZ AVEFOR THE INSTALLATION OF AN AUTOMATIC WET SPRINKLER SYSTEM IN ACCORDANCE WITH NFPA 13 THROUGHOUT A FOUR (4) STORY, SERVED BY A SIX INCH (6") FIRE SERVICE LINE, A FIRE DEPARTMENT CON
FP-2023-0011972023-05-31Fire Suppression701 CATHEDRAL RDEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2023-0010822023-05-12Fire Suppression2633-39 POPLAR STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2022-0029122023-04-10Fire Suppression2009-11 DELANCEY PLINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13R THROUGHOUT THE BUILDING TO INCLUDE 2" MAIN FIRE SERVICE LINE WITH A 2" WILKINS 350 XLT2 BACKFLOW PREVENTION ASSEMBLY AND
FP-2022-0032712023-03-06Fire Suppression4801 LANGDON STFOR INSTALLATION OF SPRINKLER SYSTEM PER NFPA 13 WITH 6-INCH FIRE SERVICE MAIN AND BFP DEVICE AS PER APPROVED PLANS.
FP-2023-0000072023-01-03Fire Suppression1100 WELSH RDEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2022-0033132022-12-28Fire Suppression4801 LANGDON STRough-In Permit for FP-2022-003271 (CP-2021-002651)
FP-2022-0031582022-12-13Fire Suppression822-38 CHESTNUT STEZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the Relocation of Sprinkler Heads as per attached standards. Deviations from these standards require submission of construction and si
FP-2022-0014572022-12-09Fire Suppression4801 LANGDON STFire Suppression System Permit for combo SP-2022-000078
FP-2022-0021552022-11-23Fire Suppression4340 BYBERRY RDINSTALL NEW FIRE SUPPRESSION SYSTEM COMPLYING WITH NFPA 13 THROUGHOUT THE BUILDING TO INCLUDE 6" MAIN FIRE SERVICE LINE WITH A 6" BACKFLOW PREVENTION ASSEMBLY, AS PER APPROVED PLAN

Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.

Search these records

The 75 permits above are a static record through 2026. Select a year above to open that year’s records, or search Willetts Sprinkler Design, Inc. in Philadelphia, PA by address, trade or date range.

Source and limits

Public Philadelphia permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →

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