Services
🧾 Trust Card · 2 receipts
- Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
- Shown as open for business in the source dataOperating status in the business record.
Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.
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Service area
Map of the Holbrook, NY area (© Google). Is this your business? Claim it and put up your own photos →
About National Janitorial
National Janitorial is listed on AssistAnt for cleaning (home, office, carpet, pressure washing) in Holbrook, NY.
Built from public business information. Call to confirm before you go.
Contact
- Phone
- (800) 225-4929
- Website
- nationaljanitorial.com · loaded when we checked Oct 26, 2026
- Location
- Holbrook, NY, 11741 (service area)
- Booking
- Not bookable online yet. Call the business directly.
Quick facts about National Janitorial
- What is the phone number for National Janitorial?
- (800) 225-4929. You call National Janitorial directly; AssistAnt never sits in the middle.
- Where is National Janitorial?
- National Janitorial serves Holbrook, NY as a service-area business (no street address shown).
- Is National Janitorial still in business?
- Their website loaded when AssistAnt checked it on October 26, 2026.
- Is National Janitorial licensed and insured?
- Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
- Who else is near Holbrook?
- AssistAnt lists 281 cleaning companies near Holbrook. Closest to National Janitorial: Ready Maid Cleaning (0.3 mi), Doctor Steamer Carpet Restoration (0.3 mi), Paul's Carpet (0.3 mi).
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Other cleaning companies nearby
- Ready Maid CleaningHolbrook, NY · 0.3 mi
- Doctor Steamer Carpet RestorationBohemia, NY · 0.3 mi
- Paul's CarpetBohemia, NY · 0.3 mi
- Soft Wash Boys IncBohemia, NY · 0.3 mi
- Advance Industrial MaintenanceBohemia, NY · 0.4 mi
- Maid BrigadeBohemia, NY · 0.5 mi