city · MI

Warren, MI City Hall, Building Department & Permits

Where to reach the Warren City Hall, building department, and planning & zoning office — plus plain-English guides to every common building and trade permit issued in Warren. Permit Junkie keeps requirements current and helps you file in minutes.

Official portal: https://www.cityofwarren.org/departments/building/

Phone: (586) 574-4504

Warren City Hall & building department contact

Address

One City Square, Suite 210, Warren, MI 48093

Office hours

Mon–Fri 8:30 AM – 5:00 PM

Phone

(586) 574-4504

Email

building@cityofwarren.org

Verified against the official Warren website on 7/4/2026.

Local departments

• Warren Electrical Inspection
  electrical
  One City Square, Suite 320, Warren, MI 48093
  Mon–Fri 8:30 AM – 5:00 PM ET
  (586) 574-4530
  building@cityofwarren.org
• Warren Plumbing Inspection
  plumbing
  One City Square, Suite 320, Warren, MI 48093
  Mon–Fri 8:30 AM – 5:00 PM ET
  (586) 574-4530
  building@cityofwarren.org
• Warren Mechanical Inspection
  mechanical
  One City Square, Suite 320, Warren, MI 48093
  Mon–Fri 8:30 AM – 5:00 PM ET
  (586) 574-4530
  building@cityofwarren.org
• Warren Fire Marshal Division
  fire
  23000 Civic Center Blvd, Warren, MI 48093
  Mon–Fri 8:00 AM – 4:30 PM ET
  (586) 574-4740
  fire@cityofwarren.org
• Warren Building Division — Sign Permits
  signs
  One City Square, Suite 320, Warren, MI 48093
  Mon–Fri 8:30 AM – 5:00 PM ET
  (586) 574-4530
  building@cityofwarren.org
• Warren Building Division
  building
  One City Square, Suite 210, Warren, MI 48093
  Mon–Fri 8:30 AM – 5:00 PM
  (586) 574-4504
  building@cityofwarren.org

Verified permits from Warren

64 active permit types indexed by our Jurisdiction Intelligence Network.

• Backflow Preventer Permit / Test
  $85–$255 · 5–10 days
  File online
• Banner Permit
  $43–$128 · 5–10 days
  File online
• Boiler Permit
  $128–$765 · 10–20 days
  File online
• Building Permit — Alteration / Interior Build-Out
  $170–$5100 · 10–30 days
  File online
• Building Permit — Renovation / Restoration
  $255–$8500 · 20–60 days
  File online
• Certificate of Occupancy
  $125–$400 · 7–21 days
• Commercial Building Permit
  $400–$20000 · 21–75 days
• Commercial Kitchen Hood / Type I Suppression
  $276–$1530 · 15–45 days
  File online

Indexed data sources

7 active sources feeding our permit knowledge for Warren.

• official · ordinance
  cityofwarren.org
• official · ordinance
  health.macombgov.org
• municode · ordinance
  library.municode.com

Permit guides for Warren

• Building Permit
  Authorization to construct, alter, or repair a structure.
• Electrical Permit
  Required for new electrical service, panel upgrades, and most wiring work.
• Plumbing Permit
  Required for new plumbing, water heater replacement, and most pipe work.
• Mechanical Permit
  Required for HVAC, furnaces, AC units, ductwork, and gas appliances.
• Roofing Permit
  Required for most full or partial roof replacements.
• Deck Permit
  Required for new decks, deck replacements, and significant deck repairs.
• Fence Permit
  Required for new fences over a certain height; thresholds vary by jurisdiction.
• Demolition Permit
  Required to demolish a structure or portion of a structure.
• Commercial Building Permit
  Building permit for non-residential structures and tenant improvements.
• Residential Building Permit
  Permits covering single-family and small multifamily residential work.
• Sign Permit
  Required for most permanent and many temporary business signs.
• Swimming Pool Permit
  Required for in-ground and most above-ground residential pools.
• Home Addition Permit
  Required for any conditioned-space addition to a home.
• Garage Permit
  Required for attached and detached garages.
• Basement Finish Permit
  Required for converting a basement into livable space.