90% range 56.2–59.8

Protech Environmental

General Contractor · Ann Arbor, MI · #73 of 440 listed overall

Primary kind of workRadon100% of last-3-year permits · #1 of 3 radon specialists

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 1,371 permits (842 STREAM + 529 A2Trak).

Sub-scores

Inspections54

typical

Failed / re-inspection results on 11% of inspections vs 13% expected for similar jobs

Plan quality / Revisions66

better than peers

0.07 plan send-backs / revision events per permit vs 0.14 expected for similar jobs

Time to permit53

typical

Median 4 days to approval vs 10 days peer median (0.89× after adjusting for kind of work)

Completion55

better than peers

9% of issued permits expired/voided without final vs 11% expected

More: compliance & reliability

Compliance62

better than peers

0.03 license/insurance/stop-work type holds per permit vs 0.04 expected

Reliability52

typical

3% of inspections cancelled vs 3% expected

Ann Arbor activity & plain stats

Permits in scored set

1,371

Last 3 years

534

Last 12 months

197

Years active

2012–2026

Median days to approval

peer median 10.0

Permits needing a revision

Permits with a failed / re-inspection

10%

Inspections on record

1,461

Job mix

Kinds of work across all 1,371 permits. Each permit is scored against peers doing the same kind of work.

Radon 100% (1366)Remodels 0% (4)Commercial alterations 0% (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
BLDGR24-0798	Radon	2024-04-11	Final	204	inspection Final [BLD]: Re-inspection required plan submittal v1 requires re-submit plan submittal v2 requires re-submit 3 eReview file(s) sent back for resubmittal
BLDG19-1318	Radon	2019-07-12	FINALED	0	inspection **FINAL: FAILED
BLDG21-2102	Commercial alterations	2021-10-15	CANCELLED	63	review PLAN REVIEW: HOLD review REVISION: HOLD revision review: APPROVED
BLDG12-1515	Radon	2012-08-08	FINALED	2	—
BLDG12-1303	Radon	2012-07-17	FINALED	0	—
BLDG12-1119	Radon	2012-06-22	FINALED	0	—

Related Radon firms

Ion Electric Service LLC score 47
Lance McCarty score 45

See all ratings · How scores work

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