Ann Arbor Permit Report Cards

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48
90% range 45.4–52.1

Sentiny LLC

General Contractor · Ann Arbor, MI · #328 of 440 listed overall
Primary kind of workMixed / generalNo single kind of work is 50%+ of all permits · #70 of 100 mixed / general firms
activefeaturedhigh confidence

Overall score: 50 = peer average for the same role and the same kind of work (e.g. window jobs are compared with window jobs, remodels with remodels). Based on 20 permits (17 STREAM + 3 A2Trak).

Sub-scores

Inspections66
better than peers
Failed / re-inspection results on 5% of inspections vs 14% expected for similar jobs
Plan quality / Revisions44
worse than peers
1.91 plan send-backs / revision events per permit vs 1.41 expected for similar jobs
Time to permit47
typical
Median 43 days to approval vs 20 days peer median (1.19× after adjusting for kind of work)
Completion33
worse than peers
34% of issued permits expired/voided without final vs 13% expected
More: compliance & reliability
Compliance29
worse than peers
0.18 license/insurance/stop-work type holds per permit vs 0.06 expected
Reliability70
better than peers
1% of inspections cancelled vs 6% expected

Ann Arbor activity & plain stats

Permits in scored set
20
Last 3 years
9
Last 12 months
3
Years active
7
2018–2026
Median days to approval
43
peer median 20.0
Permits needing a revision
65%
Permits with a failed / re-inspection
15%
Inspections on record
55

Job mix

Kinds of work across all 20 permits. Each permit is scored against peers doing the same kind of work.

Additions / ADUs 40% (8)Decks & porches 30% (6)Remodels 15% (3)Commercial alterations 10% (2)Foundation / structural 5% (1)

Score by kind of work

Additions / ADUs · 8 permits
50
Decks & porches · 6 permits
46

Shown for kinds of work with 5+ permits. 50 = peer average for that kind of work.

Sample permit records

A sample of the public records behind this card. Links open the city's permit portals.

PermitKind of workAppliedStatusDays to approvalNotes
BLDGR22-3586Additions / ADUs2022-11-05Final65plan submittal v1 requires re-submit
plan submittal v2 requires re-submit
plan submittal v3 requires re-submit
plan submittal v4 requires re-submit
4 eReview file(s) sent back for resubmittal
BLDGR26-0559Additions / ADUs2026-04-13Issued39plan submittal v2 requires re-submit
plan submittal v1 requires re-submit
plan submittal v3 requires re-submit
10 eReview file(s) sent back for resubmittal
BLDGR25-0637Additions / ADUs2025-04-23Issued91plan 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
BLDGR26-0232Remodels2026-02-23Issued2—
BLDG19-1724Decks & porches2019-08-30FINALED4—
BLDG18-2032Commercial alterations2018-09-24FINALED29—

Related Mixed / general firms

See all ratings · How scores work

Scores update as new permit activity lands. Not a recommendation to hire. Report an error.