49C+
90% range 47.1–52.4
Mauro Engineering
Primary kind of workCommercial alterations
activefeaturedmedium confidence
Sub-scores
Inspections51
typical
Failed / re-inspection results on 15% of inspections vs 17% expected for similar jobs
Plan quality / Revisions47
typical
1.79 plan send-backs / revision events per permit vs 1.49 expected for similar jobs
Time to permit47
typical
Median 20 days to approval vs 21 days peer median (1.19× after adjusting for kind of work)
Completion—
not enough data
More: compliance & reliability
Compliance46
typical
0.17 license/insurance/stop-work type holds per permit vs 0.14 expected
Reliability45
worse than peers
7% of inspections cancelled vs 4% expected
Ann Arbor activity & plain stats
Permits in scored set
13
Last 3 years
13
Last 12 months
11
Years active
2
2025–2026
Median days to approval
20
peer median 21.0
Permits needing a revision
92%
Permits with a failed / re-inspection
8%
Inspections on record
8
Job mix
Commercial alterations 100%
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDGC26-0280 | Commercial alterations | 2026-06-03 | Issued | 19 | plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal |
| BLDGC26-0281 | Commercial alterations | 2026-06-03 | Issued | 19 | plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal |
| BLDGC26-0282 | Commercial alterations | 2026-06-03 | Issued | 19 | plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal |
| BLDGC26-0276 | Commercial alterations | 2026-06-02 | Issued | 27 | plan submittal v1 requires re-submit 1 eReview file(s) sent back for resubmittal |
| BLDGC26-0277 | Commercial alterations | 2026-06-02 | Issued | 20 | plan submittal v1 requires re-submit 1 eReview file(s) sent back for resubmittal |
| BLDGC26-0274 | Commercial alterations | 2026-06-02 | Issued | 8 | — |
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