Trowbridge Companies

General Contractor · Auburn Hills, MI · #249 of 440 listed overall

Primary kind of workCommercial alterations93% of last-3-year permits · #36 of 70 commercial alterations specialists

activefeaturedmedium 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 14 permits (14 STREAM).

Sub-scores

Inspections52

typical

Failed / re-inspection results on 15% of inspections vs 18% expected for similar jobs

Plan quality / Revisions47

typical

1.70 plan send-backs / revision events per permit vs 1.46 expected for similar jobs

Time to permit51

typical

Median 20 days to approval vs 21 days peer median (0.94× after adjusting for kind of work)

Completion62

better than peers

0% of issued permits expired/voided without final vs 8% expected

More: compliance & reliability

Compliance46

typical

0.18 license/insurance/stop-work type holds per permit vs 0.14 expected

Reliability52

typical

4% of inspections cancelled vs 5% expected

Ann Arbor activity & plain stats

Permits in scored set

Last 3 years

Last 12 months

Years active

2023–2026

Median days to approval

20.0

peer median 21.0

Permits needing a revision

86%

Permits with a failed / re-inspection

14%

Inspections on record

Job mix

Kinds of work across all 14 permits. Each permit is scored against peers doing the same kind of work.

Commercial alterations 93% (13)New homes 7% (1)

Sample permit records

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

Permit	Kind of work	Applied	Status	Days to approval	Notes
BLDGC26-0280	Commercial alterations	2026-06-03	Issued	19	plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal
BLDGC26-0281	Commercial alterations	2026-06-03	Issued	19	plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal
BLDGC26-0282	Commercial alterations	2026-06-03	Issued	19	plan submittal v1 requires re-submit 3 eReview file(s) sent back for resubmittal
BLDGC26-0277	Commercial alterations	2026-06-02	Issued	20	plan submittal v1 requires re-submit 1 eReview file(s) sent back for resubmittal
BLDGR23-2518	New homes	2023-12-08	Final	0	inspection Rough-In [BLD]: Re-inspection required
BLDGC26-0274	Commercial alterations	2026-06-02	Issued	8	—