52B−
90% range 46.6–58.2
Gemstone Homes, Inc
Primary kind of workMixed / general
occasionalhigh confidence
Sub-scores
Inspections58
better than peers
Failed / re-inspection results on 12% of inspections vs 23% expected for similar jobs
Plan quality / Revisions50
typical
0.53 plan send-backs / revision events per permit vs 0.53 expected for similar jobs
Time to permit52
typical
Median 10 days to approval vs 10 days peer median (0.84× after adjusting for kind of work)
Completion68
better than peers
0% of issued permits expired/voided without final vs 22% expected
More: compliance & reliability
Compliance19
worse than peers
0.12 license/insurance/stop-work type holds per permit vs 0.02 expected
Reliability69
better than peers
0% of inspections cancelled vs 6% expected
Ann Arbor activity & plain stats
Permits in scored set
15
Last 3 years
1
Last 12 months
0
Years active
8
2011–2025
Median days to approval
10.0
peer median 10.0
Permits needing a revision
40%
Permits with a failed / re-inspection
40%
Inspections on record
38
Job mix
Remodels 40% Commercial alterations 13% Roofing 13% Siding / envelope 13% Decks & porches 7% Additions / ADUs 7% New homes 7%
Sample permit records
| Permit | Kind of work | Applied | Status | Days to approval | Notes |
|---|---|---|---|---|---|
| BLDG22-0136 | Commercial alterations | 2022-01-27 | FINALED | 78 | inspection INSULATION: CONDITIONAL APPROVAL review PLAN REVIEW: COMMENTS ISSUED review REVISION: COMMENTS ISSUED revision review: APPROVED |
| BLDG19-1322 | Remodels | 2019-07-12 | UNDER REVIEW | — | review ZONING: DENIED |
| BLDG15-2237 | Siding / envelope | 2015-10-15 | FINALED | 0 | inspection **FINAL: FAILED |
| BLDG15-1087 | New homes | 2015-06-04 | FINALED | 20 | — |
| BLDG12-1694 | Remodels | 2012-08-30 | FINALED | 11 | — |
| BLDG12-0234 | Siding / envelope | 2012-02-23 | FINALED | 0 | — |
Related Mixed / general firms
52B−
David Klein Construction Inc
Mixed / general work
activefeaturedhigh confidence
51B−
Navigator LLC
Mixed / general work
activelow confidence
51B−
The Covering
Mixed / general work
activelow confidence
52B−
Qualified Construction Corp
Mixed / general work
activefeaturedhigh confidence
51B−
Tri-County Builders LLC
Mixed / general work
activefeaturedhigh confidence