90% range 52.2–60.8

Kratz Designs, LLC

Architect · Ann Arbor, MI · #30 of 119 listed overall

Primary kind of workAdditions / ADUs58% of all permits · #1 of 7 additions / adus 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 12 permits (9 STREAM + 3 A2Trak).

Sub-scores

Inspections57

better than peers

Failed / re-inspection results on 11% of inspections vs 16% expected for similar jobs

Plan quality / Revisions54

typical

1.31 plan send-backs / revision events per permit vs 1.74 expected for similar jobs

Time to permit49

typical

Median 28.5 days to approval vs 24.5 days peer median (1.05× after adjusting for kind of work)

Completion46

typical

22% of issued permits expired/voided without final vs 17% expected

More: compliance & reliability

Compliance66

better than peers

0.02 license/insurance/stop-work type holds per permit vs 0.12 expected

Reliability38

worse than peers

10% of inspections cancelled vs 5% expected

Ann Arbor activity & plain stats

Permits in scored set

Last 3 years

Last 12 months

Years active

2017–2026

Median days to approval

28.5

peer median 24.5

Permits needing a revision

75%

Permits with a failed / re-inspection

50%

Inspections on record

Job mix

Kinds of work across all 12 permits. Each permit is scored against peers doing the same kind of work.

Additions / ADUs 58% (7)Remodels 25% (3)Decks & porches 8% (1)Garages & accessory 8% (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
BLDGR22-3704	Garages & accessory	2022-11-28	Expired	21	inspection Concealed Space [BLD]: Re-inspection required inspection Final [BLD]: Partial Pass inspection Footing [BLD]: Partial Pass inspection Insulation [BLD]: Re-inspection required inspection Rough-In [BLD]: Re-inspection required inspection Rough-In [BLD]: Partial Pass
BLDG21-2335	Additions / ADUs	2021-11-16	FINALED	43	inspection INSULATION: CONDITIONAL APPROVAL review PLAN REVIEW: COMMENTS ISSUED revision review: APPROVED review PLAN REVIEW: RETURNED
BLDGR24-1176	Additions / ADUs	2024-05-15	Expired	37	inspection Compaction [BLD]: Re-inspection required plan submittal v1 requires re-submit 1 eReview file(s) sent back for resubmittal permit expired without final
BLDGR24-0570	Additions / ADUs	2024-03-20	Final	16	inspection Rough-In [BLD]: Partial Pass
BLDGR24-0876	Remodels	2024-04-23	Final	14	—
BLDGR23-0456	Remodels	2023-02-23	Final	15	—

Related Additions / ADUs firms

See all ratings · How scores work

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