54B
90% range 49.4–60.0
Studio Z Architecture
Primary kind of workAdditions / ADUs
occasionalmedium confidence
Sub-scores
Inspections57
better than peers
Failed / re-inspection results on 14% of inspections vs 23% expected for similar jobs
Plan quality / Revisions52
typical
1.11 plan send-backs / revision events per permit vs 1.29 expected for similar jobs
Time to permit54
typical
Median 13.5 days to approval vs 17 days peer median (0.68× after adjusting for kind of work)
Completion56
better than peers
10% of issued permits expired/voided without final vs 22% expected
More: compliance & reliability
Compliance54
typical
0.04 license/insurance/stop-work type holds per permit vs 0.07 expected
Reliability56
better than peers
6% of inspections cancelled vs 8% expected
Ann Arbor activity & plain stats
Permits in scored set
9
Last 3 years
2
Last 12 months
0
Years active
6
2014–2024
Median days to approval
13.5
peer median 17.0
Permits needing a revision
44%
Permits with a failed / re-inspection
67%
Inspections on record
60
Job mix
Additions / ADUs 67% Foundation / structural 11% Decks & porches 11% Garages & accessory 11%
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDGR24-2009 | Additions / ADUs | 2024-09-11 | Withdrawn | — | plan submittal v1 requires re-submit plan submittal v2 requires re-submit plan submittal v3 requires re-submit 2 eReview file(s) sent back for resubmittal |
| BLDG14-1292 | Additions / ADUs | 2014-07-16 | EXPIRED | 29 | inspection **FINAL: CONDITIONAL APPROVAL inspection ROUGH: NOT READY inspection SLAB: FAILED permit expired without final |
| BLDG21-2259 | Additions / ADUs | 2021-11-04 | FINALED | 14 | inspection ROUGH: CONDITIONAL APPROVAL review PLAN REVIEW: COMMENTS ISSUED review BUILDING: COMMENTS ISSUED revision review: APPROVED |
| BLDG16-0415 | Garages & accessory | 2016-03-23 | FINALED | 13 | inspection **FINAL: NOT READY |
| BLDG17-1223 | Decks & porches | 2017-06-08 | FINALED | 11 | revision review: APPROVED |
| BLDGR24-2519 | Additions / ADUs | 2024-12-03 | Final | 17 | — |