Contractor Profile

Kay Waterproofing CORP

Kay Waterproofing CORP concentrates in multifamily alteration in New York City (82% of its 1,062 segment-eligible permits), with secondary activity across 2 other segments. Its permit record in New York City spans 1993–2026. Reliable permit valuations total ≈$41.1M (across the 25% of filings with a valuation we can stand behind). Filing activity is down 27% over the last 90 days versus the prior 90.

First permit: Apr 7, 1993 (12,199d ago)Latest permit: Jul 30, 2026 (32d ago)
The sales record
Market
New York City
Active
1993–2026 · 33 yrs
Licence IDs on their permits
5
Reliable value
$41.1M
Coverage
25%
Reliable filings
192
Rank in New York City
#463
Permits (all-time, all segments)
1,290
Filings 90d
19
Filings 30d
7
Latest permit
Jul 30, 2026
Typical project size$99Ktypically $13K–$224K across 192 valued permits
Where they work
Firmographics
License & registration IDs on file
  • 0002656
  • 002656
  • 004648
  • 005727
  • 624230

As named in the permit records — identifiers we surface, not verified state licensure.

Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Aug ’240–14 permits/moAug ’26
permits per month permit value
Service area

Typical service area ~7 mi in New York City

The p90 footprint of where Kay Waterproofing CORP has pulled permits in New York City — drawn from all 1,297 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC1,297
Find Multifamily Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.

Showing 20 of 1,062 permits by Kay Waterproofing CORP in the indexed window · most recent first

Sort
Aug 25, 2026
285 Riverside Drive, Manhattan, NY 10025
Temporary Construction Support
Aug 13, 2026
96-05 Horace Harding Expressway, Queens, NY 11368
Temporary Construction Support
Industrial
Aug 10, 2026
10 Jay Street, Manhattan, NY 10013
Temporary Construction Support
Aug 7, 2026
341 Eastern Parkway, Brooklyn, NY 11216
Temporary Construction Support
Industrial
Aug 7, 2026
305 East 40 Street, Manhattan, NY 10016
Multifamily Alteration
$150K
Aug 6, 2026
40 West 55 Street, Manhattan, NY 10019
Temporary Construction Support
Aug 5, 2026
114 West 27 Street, Manhattan, NY 10001
Temporary Construction Support
Jul 30, 2026
114 West 27 Street, Manhattan, NY 10001
Multifamily Alteration
$80K
Jul 27, 2026
341 Eastern Parkway, Brooklyn, NY 11216
Temporary Construction Support
Jul 24, 2026
405 East 63 Street, Manhattan, NY 10065
Multifamily Alteration
$54K
Jul 8, 2026
40 Haven Avenue, Manhattan, NY 10032
Temporary Construction Support
Jul 8, 2026
47 Claremont Avenue, Manhattan, NY 10027
Temporary Construction Support
Jun 23, 2026
181 Clermont Avenue, Brooklyn, NY 11205
Temporary Construction Support
Jun 23, 2026
174 Vanderbilt Avenue, Brooklyn, NY 11205
Temporary Construction Support
Jun 18, 2026
200 East 27 Street, Manhattan, NY 10016
Multifamily Alteration
$146K
Jun 15, 2026
188 Montague Street, Brooklyn, NY 11201
Commercial Alteration
$1.0M
Jun 10, 2026
2116 Dorchester Road, Brooklyn, NY 11226
Temporary Construction Support
Jun 9, 2026
1 East 60 Street, Manhattan, NY 10022
Temporary Construction Support
Jun 3, 2026
1 East 60 Street, Manhattan, NY 10022
Commercial Alteration
$1.7M
Jun 1, 2026
310 West 120 Street, Manhattan, NY 10026
Multifamily Alteration
$1.9M
Sites Kay Waterproofing CORP returns to6 in New York City

Addresses where Kay Waterproofing CORP has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.

Other top Multifamily Alteration contractors in New York City
See the full New York City Multifamily Alteration leaderboard →

Put Kay Waterproofing CORP on your call list.

Watch this contractor, get a daily email when they pull a new permit, and explore New York City permits in the Market Explorer — enriched and parcel-joined.