49C+
90% range 44.6–56.7
Conn Engineering Consultants, Inc.
Primary kind of workGarages & accessory
activelow confidence
Sub-scores
Inspections48
typical
Failed / re-inspection results on 28% of inspections vs 21% expected for similar jobs
Plan quality / Revisions53
typical
1.22 plan send-backs / revision events per permit vs 1.62 expected for similar jobs
Time to permit47
typical
Median 90 days to approval vs 29 days peer median (1.49× after adjusting for kind of work)
Completion—
not enough data
More: compliance & reliability
Compliance50
typical
0.12 license/insurance/stop-work type holds per permit vs 0.13 expected
Reliability44
worse than peers
8% of inspections cancelled vs 5% expected
Ann Arbor activity & plain stats
Permits in scored set
5
Last 3 years
3
Last 12 months
2
Years active
3
2023–2026
Median days to approval
90
peer median 29.0
Permits needing a revision
60%
Permits with a failed / re-inspection
20%
Inspections on record
8
Job mix
Garages & accessory 60% Roofing 20% Commercial alterations 20%
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDGC23-0185 | Garages & accessory | 2023-04-18 | Expired | 191 | plan submittal v1 requires re-submit plan submittal v2 requires re-submit 6 eReview file(s) sent back for resubmittal permit expired without final |
| BLDGC24-0197 | Garages & accessory | 2024-05-03 | Final | 90 | inspection Final [BLD]: Re-inspection required inspection Footing [BLD]: Re-inspection required 3 eReview file(s) sent back for resubmittal |
| BLDGC26-0538 | Roofing | 2026-10-12 | Requires Resubmit | — | 5 eReview file(s) sent back for resubmittal |
| BLDGC23-0179 | Commercial alterations | 2023-04-14 | Void - Wrong Workclass | — | — |
| BLDGC26-0245 | Garages & accessory | 2026-05-11 | Issued | 9 | — |