Fire suppression / sprinkler permits in New Haven County, CT
354 fire suppression / sprinkler permits on file in New Haven County — newest filings first, updated daily.
Tenant Fit-Out
301 STATE ST·North Haven·Filed July 20, 2026·Active
Fire suppression / sprinkler · General contractor
Fire Suppression - C
545 LONG WHARF DR·City of New Haven·Filed July 17, 2026·Issued
Fire suppression / sprinkler
Low Voltage / Tele Data - C
227 GROVE ST·City of New Haven·Filed July 17, 2026·Issued
Fire suppression / sprinkler · Security / fire alarm / low voltage
Sprinkler - C
LONG WHARF DR·City of New Haven·Filed July 16, 2026·Issued
Fire suppression / sprinkler · General contractor
Sprinkler - C
PROSPECT ST·City of New Haven·Filed July 16, 2026·Issued
Fire suppression / sprinkler
Plumbing/ Sprinkler - C
1450 CHAPEL ST·City of New Haven·Filed July 14, 2026·Issued
Fire suppression / sprinkler · Plumbing / piping
Fire Suppression - C
532 CHAPEL ST·City of New Haven·Filed July 14, 2026·Issued
Fire suppression / sprinkler
Fire Suppression - C
330 COLLEGE ST·City of New Haven·Filed July 10, 2026·Issued
Fire suppression / sprinkler
Plumbing/ Sprinkler - C
126 GRAND AV·City of New Haven·Filed July 9, 2026·Issued
Fire suppression / sprinkler · Plumbing / piping
New Construction-Mixed Use - C
532 CHAPEL ST·City of New Haven·Filed July 9, 2026·Issued
General contractor · Fire suppression / sprinkler
Plumbing - Other
9 DEFCO PARK RD·North Haven·Filed July 6, 2026·Active
Plumbing / piping · Fire suppression / sprinkler · General contractor
Fire Suppression - C
268 PARK ST·City of New Haven·Filed July 2, 2026·Issued
Fire suppression / sprinkler · General contractor
Plumbing/ Sprinkler - C
609 HOWARD AV·City of New Haven·Filed July 1, 2026·Issued
Fire suppression / sprinkler · Plumbing / piping
Fire Alarm and Detection - C
55 NAUGATUCK AVE·City of Milford·Filed June 25, 2026·Permit Issued
Security / fire alarm / low voltage · Fire suppression / sprinkler
Planning & Zoning - Exterior HVAC, Generators, Propane, Plumbing, or Mechanical
39 ROCK LN GUILFORD Connecticut 06437·Guilford·Filed June 24, 2026·Issued and Complete
HVAC / heating / cooling · Plumbing / piping · Fire suppression / sprinkler
Fire Suppression - C
189 ELM ST·City of New Haven·Filed June 24, 2026·Issued
Fire suppression / sprinkler
Sprinkler
391 GREENWICH AV·City of New Haven·Filed June 23, 2026·Issued
Fire suppression / sprinkler · Plumbing / piping
Fire Suppression - C
742 CHAPEL ST·City of New Haven·Filed June 23, 2026·Issued
Fire suppression / sprinkler
Fire Suppression - C
204 YORK ST·City of New Haven·Filed June 18, 2026·Issued
Fire suppression / sprinkler
Sprinkler - C
227 GROVE ST·City of New Haven·Filed June 18, 2026·Issued
Fire suppression / sprinkler · General contractor
Fire Suppression - C
47 HILLSIDE AV·City of New Haven·Filed June 18, 2026·Issued
Fire suppression / sprinkler
Tenant Fit Out - C
1 LONG WHARF DR·City of New Haven·Filed June 18, 2026·Issued
Demolition · Electrical · Fire suppression / sprinkler · HVAC / heating / cooling
Fire Alarm and Detection - C
0 ORONOQUE RD·City of Milford·Filed June 16, 2026·Permit Issued
Security / fire alarm / low voltage · Fire suppression / sprinkler
Plumbing - C
195 CHERRY ST·City of Milford·Filed June 11, 2026·Permit Issued
Plumbing / piping · Fire suppression / sprinkler
Plumbing - Replacement
455 SACKETT PT RD·North Haven·Filed June 10, 2026·Active
Plumbing / piping · Fire suppression / sprinkler
Rehab-Non-Residential - C
770 CHAPEL ST·City of New Haven·Filed June 10, 2026·Issued
General contractor · Fire suppression / sprinkler
Fire Sprinkler Permit
1100 NEW HAVEN RD, Naugatuck, CT 06770·Naugatuck·Filed June 9, 2026·Active
Fire suppression / sprinkler
Building - Addition (Commercial)
385 CHURCH ST GUILFORD Connecticut 06437·Guilford·Filed June 9, 2026·Issued
General contractor · Carpentry / framing · Electrical · Fire suppression / sprinkler · HVAC / heating / cooling
Rehab-Residential - C
850 GRAND AV·City of New Haven·Filed June 8, 2026·Closed
General contractor · Fire suppression / sprinkler · Security / fire alarm / low voltage
Kitchen Repair/Remodel - C
302 YORK ST·City of New Haven·Filed June 4, 2026·Issued
Fire suppression / sprinkler · General contractor
Sprinkler - C
156 DIXWELL AV·City of New Haven·Filed June 4, 2026·Issued
Fire suppression / sprinkler
Sprinkler - C
100 COLLEGE ST·City of New Haven·Filed June 4, 2026·Issued
Fire suppression / sprinkler
Type I Exhaust Hood Fire Suppression System
348 BOSTON POST RD, ORANGE, CT 06477·Orange·Filed May 28, 2026·Active
Fire suppression / sprinkler
Health Dept - B100 A Review
385 CHURCH ST GUILFORD Connecticut 06437·Guilford·Filed May 18, 2026·Complete
Fire suppression / sprinkler
Fire Suppression - C
220 YORK ST·City of New Haven·Filed May 18, 2026·Issued
Fire suppression / sprinkler
Tenant Fit Out - C
545 LONG WHARF DR·City of New Haven·Filed May 18, 2026·Issued
Fire suppression / sprinkler
Plumbing - Other
511 QUINNIPIAC AVE·North Haven·Filed May 15, 2026·Active
Plumbing / piping · Fire suppression / sprinkler
Plumbing/ Sprinkler - C
20 GEORGE ST·City of New Haven·Filed May 15, 2026·Closed
Fire suppression / sprinkler · Plumbing / piping
Fire Sprinkler Permit
193 SHERIDAN DR, Naugatuck, CT 06770·Naugatuck·Filed May 14, 2026·Active
Fire suppression / sprinkler
Rehab-Residential - C
727 ELM ST·City of New Haven·Filed May 11, 2026·Issued
General contractor · Fire suppression / sprinkler
Plumbing - C
300 SUB WAY·City of Milford·Filed May 11, 2026·Permit Issued
Plumbing / piping · Fire suppression / sprinkler
Plumbing - C
66 ERNA AVE·City of Milford·Filed May 8, 2026·Permit Issued
Plumbing / piping · Fire suppression / sprinkler
Fire Suppression - C
787 PROSPECT ST·City of New Haven·Filed May 6, 2026·Issued
Fire suppression / sprinkler
Fire Suppression - C
742 CHAPEL ST·City of New Haven·Filed May 6, 2026·Issued
Fire suppression / sprinkler
Exploratory Demolition - C
630 CHAPEL ST·City of New Haven·Filed May 5, 2026·Issued
Demolition · Fire suppression / sprinkler
Fire Sprinkler Permit
96 CROSS ST, Naugatuck, CT 06770·Naugatuck·Filed May 1, 2026·Active
Fire suppression / sprinkler
Fire Suppression - C
545 LONG WHARF DR·City of New Haven·Filed May 1, 2026·Issued
Fire suppression / sprinkler
Fire Suppression-Hood - C
900 CHAPEL ST·City of New Haven·Filed May 1, 2026·Issued
Fire suppression / sprinkler · General contractor
Fire Sprinkler Installation/ Renovation
80 BOSTON POST RD, ORANGE, CT 06477·Orange·Filed April 30, 2026·Active
Fire suppression / sprinkler · General contractor
Rehab-Mixed Use - C
845 CHAPEL ST·City of New Haven·Filed April 30, 2026·Issued
Electrical · Fire suppression / sprinkler · General contractor · Roofing / siding / gutters
Townline watches New Haven County town and county permit feeds so new fire suppression / sprinkler filings reach you the day they land — with owner and applicant contacts on Pro.