Build Siren tracks building permit activity in Ann Arbor, Washtenaw County and delivers it to local contractors as a daily, trade-filtered report — the exact project address, the permit description, the estimated value where Ann Arbor records it, whether a contractor is named, and a Premium / Strong / Usable lead score.
Permit activity in Ann Arbor
High property values, an aggressive local energy code, and a culture of renovating rather than replacing mean Ann Arbor produces a steady stream of higher-value remodel, addition and efficiency-upgrade permits, alongside student-rental turnover work and University-adjacent commercial construction.
What contractors use Ann Arbor permit data for
- Roofing — Ann Arbor re-roof and tear-off permits (roofing leads)
- HVAC — furnace and A/C changeouts, commercial rooftop units (HVAC leads)
- Plumbing — water heaters, sewer and water service, repipes (plumbing leads)
- Electrical — panel upgrades, generators, EV chargers (electrical leads)
- Remodeling — kitchens, baths, basements, additions (remodeling leads)
- General contractors — new builds, additions, commercial build-outs (GC leads)
How to look up a building permit in Ann Arbor
Ann Arbor issues permits through its Building Department and an online portal; issued permits are public records under the Michigan Freedom of Information Act. Build Siren monitors Ann Arbor along with every other Washtenaw County community at once, so new permits reach you without checking portals yourself.
Nearby cities we cover
more Washtenaw coverage — see all coverage areas.
Ann Arbor permit leads FAQ
Are Ann Arbor building permits public record?
Yes. Building permits filed with Michigan municipalities are public records available under the Michigan FOIA. Build Siren aggregates them so you do not have to file requests.
How fast will I see new Ann Arbor permits?
New activity is included in the next weekday morning’s report.
Can I get only Ann Arbor, not the whole county?
Yes — single-city territories are available. Availability is limited per trade.
What does it cost?
One trade starts at $99/month. See pricing.
Request Ann Arbor access — from $99/month. Call (248) 290-8979.