Waterproofing / drainage permits in New Haven County, CT
55 waterproofing / drainage permits on file in New Haven County — newest filings first, updated daily.
Electrical Service Upgrade (EXISTING)
1091 TOWNSEND AV·City of New Haven·Filed July 23, 2026·Issued
Electrical · HVAC / heating / cooling · Waterproofing / drainage
Mechanical-Heating
21 ROCK CREEK RD·City of New Haven·Filed July 21, 2026·Closed
HVAC / heating / cooling · Waterproofing / drainage
Addition/Alteration - R
73 ORLAND ST·City of Milford·Filed July 20, 2026·Permit Issued
General contractor · Waterproofing / drainage
Roofing - C
424 FERRY ST·City of New Haven·Filed July 10, 2026·Issued
Roofing / siding / gutters · Insulation · Masonry / concrete · Waterproofing / drainage
PLUMBING
19 GETTYSBURG ROAD·SouthburyTownCT·Filed July 9, 2026·Permit Issued
Plumbing / piping · General contractor · Waterproofing / drainage
Wiring
30 COTTONTAIL LN·North Haven·Filed July 9, 2026·Active
Waterproofing / drainage
Addition/Alteration - R
156 POINT BEACH DR·City of Milford·Filed July 7, 2026·Permit Issued
General contractor · Waterproofing / drainage
Plumbing
195 BISHOP ST·City of New Haven·Filed June 25, 2026·Issued
Plumbing / piping · General contractor · Roofing / siding / gutters · Waterproofing / drainage
Deck - C
17 DAVIS ST·City of New Haven·Filed June 23, 2026·Issued
Carpentry / framing · Demolition · Doors / windows / awnings · Roofing / siding / gutters · Waterproofing / drainage
Renovation
275 CLINTONVILLE RD·North Haven·Filed June 5, 2026·Active
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Building - Plumbing (Stand Alone Work)
126 UNION ST GUILFORD Connecticut 06437·Guilford·Filed June 3, 2026·Issued
General contractor · Plumbing / piping · Waterproofing / drainage
Renovation
57 HERMITAGE LN·North Haven·Filed May 27, 2026·Active
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Building - Plumbing (Stand Alone Work)
250 SCHOOLSIDE LN GUILFORD Connecticut 06437·Guilford·Filed May 19, 2026·Issued
General contractor · Plumbing / piping · Roofing / siding / gutters · Waterproofing / drainage
Building - Alteration, Interior Renovation, Remodel, or Repair (Residential)
250 SCHOOLSIDE LN GUILFORD Connecticut 06437·Guilford·Filed May 15, 2026·Incomplete Application
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Inland Wetlands Plan Modification
194 CHAFFINCH ISLAND RD GUILFORD CT 06437·Guilford·Filed May 13, 2026·Issued
Paving / asphalt / concrete · Waterproofing / drainage
Planning & Zoning - Interior HVAC, Plumbing, Mechanical Upgrades, or Oil Tank Removals
126 UNION ST GUILFORD Connecticut 06437·Guilford·Filed May 6, 2026·Complete
HVAC / heating / cooling · Plumbing / piping · Waterproofing / drainage
Alteration - R
12 TIMBER TRL·City of Milford·Filed May 4, 2026·Permit Issued
General contractor · Electrical · Roofing / siding / gutters · Waterproofing / drainage
Planning & Zoning - Exterior HVAC, Generators, Propane, Plumbing, or Mechanical
250 SCHOOLSIDE LN GUILFORD Connecticut 06437·Guilford·Filed May 1, 2026·Complete
HVAC / heating / cooling · Plumbing / piping · General contractor · Roofing / siding / gutters · Waterproofing / drainage
Addition/Alteration - R
13 RICHARD ST·City of Milford·Filed April 29, 2026·Permit Issued
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Other
2 WINCHESTER DR·North Haven·Filed April 15, 2026·Closed
General contractor · Insulation · Roofing / siding / gutters · Waterproofing / drainage
Inland Wetlands Regulated Activity
235 SO UNION ST GUILFORD CT 06437·Guilford·Filed April 7, 2026·Issued
Excavation / sitework / septic · Waterproofing / drainage
Roofing - C
334 SAINT JOHN ST·City of New Haven·Filed April 2, 2026·Closed
Roofing / siding / gutters · Insulation · Masonry / concrete · Waterproofing / drainage
Roof
75 OLD BROADWAY EAST·North Haven·Filed April 1, 2026·Active
Roofing / siding / gutters · Insulation · Waterproofing / drainage
Alteration - R
35 REVERE PL·City of Milford·Filed March 27, 2026·Permit Issued
General contractor · Waterproofing / drainage
Wiring
2 WINCHESTER DR·North Haven·Filed March 26, 2026·Closed
Waterproofing / drainage
Plumbing - R
37 FIRST AVE·City of Milford·Filed March 26, 2026·Permit Issued
Plumbing / piping · Waterproofing / drainage
Electrical - C
1023 BOSTON POST RD·City of Milford·Filed March 26, 2026·Permit Issued
Electrical · Waterproofing / drainage
Rehab-Residential
220 LENOX ST·City of New Haven·Filed March 25, 2026·Issued
General contractor · Waterproofing / drainage
Electrical Wiring (NEW)
360 W ROCK AV·City of New Haven·Filed February 12, 2026·Issued
Electrical · General contractor · Waterproofing / drainage
Wiring
26 LINCOLN ST·North Haven·Filed February 11, 2026·Closed
Waterproofing / drainage
Other
26 LINCOLN ST·North Haven·Filed February 11, 2026·Closed
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Electrical Wiring (NEW) - C
483 COLLEGE ST·City of New Haven·Filed January 28, 2026·Issued
Electrical · General contractor · Waterproofing / drainage
Rehab-Residential
360 W ROCK AV·City of New Haven·Filed January 28, 2026·Issued
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Renovation
50 WHITNEY RIDGE TERR·North Haven·Filed December 17, 2025·Active
General contractor · Waterproofing / drainage
New Construction-Non-Residential - C
483 COLLEGE ST·City of New Haven·Filed December 10, 2025·Issued
General contractor · Waterproofing / drainage
Sign/Billboard (Structural Only) - C
129 YORK ST·City of New Haven·Filed November 12, 2025·Issued
Signs & sign installation · Roofing / siding / gutters · Waterproofing / drainage
Electrical - C
433 OLD GATE LN·City of Milford·Filed November 12, 2025·Closed
Electrical · Waterproofing / drainage
REMODEL
291 BEECHER DRIVE·SouthburyTownCT·Filed November 10, 2025·Certificate
Masonry / concrete · Roofing / siding / gutters · Waterproofing / drainage
Other
51 LEXINGTON GARDENS·North Haven·Filed November 4, 2025·Closed
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Plumbing
55 CLIFFORD TER·City of New Haven·Filed October 31, 2025·Issued
Plumbing / piping · General contractor · Roofing / siding / gutters · Waterproofing / drainage
Wiring
51 LEXINGTON GARDENS·North Haven·Filed October 30, 2025·Closed
Waterproofing / drainage
Revised Estimate (Building) - C
330 COLLEGE ST·City of New Haven·Filed October 10, 2025·Closed
General contractor · Masonry / concrete · Roofing / siding / gutters · Waterproofing / drainage
Renovation
35 SHAW DR·North Haven·Filed October 8, 2025·Active
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Roofing - C
416 EDGEWOOD AV·City of New Haven·Filed October 2, 2025·Issued
Roofing / siding / gutters · Carpentry / framing · Paving / asphalt / concrete · Waterproofing / drainage
Plumbing - C
710 BOSTON POST RD·City of Milford·Filed September 24, 2025·Closed
Plumbing / piping · Roofing / siding / gutters · Waterproofing / drainage
Electrical Wiring (NEW)
120 HUNTINGTON AV·City of New Haven·Filed September 15, 2025·Issued
Electrical · General contractor · Waterproofing / drainage
Wiring
18 JUNIPER DR·North Haven·Filed September 6, 2025·Active
Waterproofing / drainage
Plumbing - New Installation
195 MCDERMOTT RD·North Haven·Filed September 4, 2025·Active
General contractor · Plumbing / piping · Waterproofing / drainage
Generators
1122 UNIVERSAL DR NO·North Haven·Filed August 28, 2025·Closed
Electrical · Waterproofing / drainage
Rehab-Residential
120 HUNTINGTON AV·City of New Haven·Filed August 28, 2025·Closed
General contractor · Roofing / siding / gutters · Waterproofing / drainage
Townline watches New Haven County town and county permit feeds so new waterproofing / drainage filings reach you the day they land — with owner and applicant contacts on Pro.