48C+
90% range 42.9–53.8
R. B. CO., CONSTRUCTION AND MANAGEMENT, INC.
Primary kind of workAdditions / ADUs
activelow confidence
Sub-scores
Inspections48
typical
Failed / re-inspection results on 15% of inspections vs 12% expected for similar jobs
Plan quality / Revisions43
worse than peers
2.80 plan send-backs / revision events per permit vs 1.65 expected for similar jobs
Time to permit45
worse than peers
Median 65 days to approval vs 33.75 days peer median (1.64× after adjusting for kind of work)
Completion—
not enough data
More: compliance & reliability
Compliance53
typical
0.05 license/insurance/stop-work type holds per permit vs 0.07 expected
Reliability41
worse than peers
12% of inspections cancelled vs 6% expected
Ann Arbor activity & plain stats
Permits in scored set
5
Last 3 years
5
Last 12 months
5
Years active
1
2026–2026
Median days to approval
65.0
peer median 33.75
Permits needing a revision
80%
Permits with a failed / re-inspection
20%
Inspections on record
9
Job mix
Additions / ADUs 60% Garages & accessory 20% Remodels 20%
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDGR26-1052 | Additions / ADUs | 2026-06-30 | Issued | 101 | inspection Foundation/Rebar [BLD]: Re-inspection required plan submittal v1 requires re-submit 8 eReview file(s) sent back for resubmittal Permit placed on hold for more information |
| BLDGR26-1548 | Garages & accessory | 2026-09-22 | Issued | 29 | plan submittal v1 requires re-submit plan submittal v2 requires re-submit 8 eReview file(s) sent back for resubmittal Permit placed on hold for more information |
| BLDGR26-1059 | Additions / ADUs | 2026-07-01 | Issued | 114 | plan submittal v1 requires re-submit 5 eReview file(s) sent back for resubmittal |
| BLDGR26-0011 | Remodels | 2026-01-06 | Final | 16 | plan submittal v1 requires re-submit 2 eReview file(s) sent back for resubmittal |
| BLDGR26-1547 | Additions / ADUs | 2026-09-22 | Void - Wrong Workclass | — | — |
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