Build Siren monitors building, mechanical, electrical and plumbing permits filed with building departments across Southeast Michigan and turns them into daily, trade-filtered lead reports. Choose your city to see what we track locally and how contractors use permit data to find work there.
Oakland County
Troy · Farmington Hills · Southfield · Novi · Rochester Hills · Royal Oak · West Bloomfield · Pontiac · Ferndale · Birmingham
Macomb County
Warren · Sterling Heights · Clinton Township · Macomb Township · Shelby Township
Wayne County
Detroit · Livonia · Dearborn · Canton
Washtenaw County
Don’t see your city? We cover more than what is listed — contact us for current coverage.
What we track in every city
Roofing, HVAC, plumbing, electrical, remodeling and general contractor permits — each with the exact address, the scope of work, the estimated value where the municipality records it, and a Premium / Strong / Usable lead score.
Request access — from $99/month. Call (248) 290-8979.
New to permit-based lead generation? Start with Construction & Contractor Leads in Michigan.