45C
90% range 42.0–49.0
Ayers Basement Systems
Primary kind of workFoundation / structural
activefeaturedhigh confidence
Sub-scores
Inspections39
worse than peers
Failed / re-inspection results on 25% of inspections vs 14% expected for similar jobs
Plan quality / Revisions38
worse than peers
1.41 plan send-backs / revision events per permit vs 0.80 expected for similar jobs
Time to permit42
worse than peers
Median 16 days to approval vs 17 days peer median (1.47× after adjusting for kind of work)
Completion25
worse than peers
47% of issued permits expired/voided without final vs 14% expected
More: compliance & reliability
Compliance88
better than peers
0.00 license/insurance/stop-work type holds per permit vs 0.05 expected
Reliability52
typical
5% of inspections cancelled vs 6% expected
Ann Arbor activity & plain stats
Permits in scored set
47
Last 3 years
33
Last 12 months
19
Years active
8
2009–2026
Median days to approval
16.0
peer median 17.0
Permits needing a revision
55%
Permits with a failed / re-inspection
21%
Inspections on record
62
Job mix
Foundation / structural 49% Remodels 30% Windows & doors 13% Commercial alterations 4% Additions / ADUs 4%
Score by kind of work
Foundation / structural · 23 permits
48
Remodels · 14 permits
46
Windows & doors · 6 permits
37
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDGR24-1903 | Foundation / structural | 2024-08-23 | Final | 103 | inspection Final [BLD]: Re-inspection required inspection Footing [BLD]: Partial Pass inspection Rough-In [BLD]: Re-inspection required plan submittal v1 requires re-submit 2 eReview file(s) sent back for resubmittal Permit placed on hold for more information |
| BLDGR26-1214 | Foundation / structural | 2026-07-28 | Issued | 37 | plan submittal v1 requires re-submit plan submittal v2 requires re-submit 5 eReview file(s) sent back for resubmittal Permit placed on hold for more information |
| BLDGR26-0735 | Windows & doors | 2026-05-11 | Issued | 21 | plan submittal v1 requires re-submit plan submittal v2 requires re-submit plan submittal v3 requires re-submit 7 eReview file(s) sent back for resubmittal |
| BLDGR22-3676 | Additions / ADUs | 2022-11-18 | Void - Wrong Workclass | — | — |
| BLDGR22-2672 | Remodels | 2022-06-23 | Void - Wrong Workclass | — | — |
| BLDG17-0144 | Remodels | 2017-01-30 | FINALED | 22 | — |
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