41D
90% range 39.3–43.4
Hobbs+Black Architects
Primary kind of workCommercial alterations
activefeaturedhigh confidence
Sub-scores
Inspections46
typical
Failed / re-inspection results on 36% of inspections vs 31% expected for similar jobs
Plan quality / Revisions48
typical
1.52 plan send-backs / revision events per permit vs 1.43 expected for similar jobs
Time to permit25
worse than peers
Median 85 days to approval vs 21 days peer median (3.20× after adjusting for kind of work)
Completion44
worse than peers
17% of issued permits expired/voided without final vs 13% expected
More: compliance & reliability
Compliance28
worse than peers
0.55 license/insurance/stop-work type holds per permit vs 0.21 expected
Reliability45
worse than peers
8% of inspections cancelled vs 6% expected
Ann Arbor activity & plain stats
Permits in scored set
165
Last 3 years
17
Last 12 months
5
Years active
17
2009–2026
Median days to approval
85
peer median 21.0
Permits needing a revision
42%
Permits with a failed / re-inspection
72%
Inspections on record
1,432
Job mix
Commercial alterations 39% New homes 24% Commercial new 18% Windows & doors 5% Foundation / structural 4% Decks & porches 3% Siding / envelope 2% Remodels 2% Roofing 1% Additions / ADUs 1% Solar / EV 1%
Score by kind of work
Commercial alterations · 65 permits
46
New homes · 40 permits
47
Commercial new · 29 permits
42
Windows & doors · 9 permits
49
Foundation / structural · 6 permits
39
Decks & porches · 5 permits
48
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDG17-2188 | Commercial new | 2017-09-14 | FINALED | 188 | inspection ABOVE CEILING/GRID: CONDITIONAL APPROVAL inspection PARTIAL FINAL: PARTIAL PASS |
| BLDGC22-2055 | Commercial new | 2022-04-29 | Final | 426 | inspection Channel [BLD]: Partial Pass inspection Drywall - Screw [BLD]: Partial Pass |
| BLDG15-2513 | Commercial alterations | 2015-11-17 | FINALED | 34 | inspection **FINAL: FAILED inspection PARTIAL ROUGH: CONDITIONAL APPROVAL inspection **FINAL: NOT READY inspection **FINAL: PARTIAL PASS inspection PARTIAL FINAL: PARTIAL PASS |
| BLDG13-1335 | Commercial alterations | 2013-07-12 | FINALED | 17 | — |
| BLDG13-0793 | Commercial alterations | 2013-05-09 | FINALED | 18 | — |
| BLDG12-2411 | Commercial alterations | 2012-11-26 | FINALED | 8 | — |
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