Certification status
Active
One active C-NRPP credential held by its listed professionals as of 2026-10-18.
- Date
- 2026-10-18
- Sample
- Not applicable
Certified provider
Custom Build Standard Construction Corp.
Is Custom Build Standard Construction Corp. C-NRPP certified? Credential types, status and expiry dates, who holds them, locations and provinces served, as of the last registry check.
Certified professionals
| Professional | Credential type | Number | Expiry | Status |
|---|---|---|---|---|
| Tianchen Zhang | Radon measurement | CRT-202884 | 2027-07-01 | Active |
Services offered
Services this business offers, as recorded in the C-NRPP registry
| Service | Residential | Commercial |
|---|---|---|
| Radon measurement | Yes | Yes |
C-NRPP, Find a Professional directory, as pulled on 2026-10-18.
Business address
Business address, as recorded in the C-NRPP registry
| Street | City | Province or territory | Postal code |
|---|---|---|---|
| 305-350 Hwy 7 | Richmond Hill | Ontario | L4B 3N2 |
C-NRPP, Find a Professional directory, as pulled on 2026-10-18.
Business contact
Certified provider
Custom Build Standard Construction Corp.
305-350 Hwy 7
Richmond Hill, Ontario L4B 3N2
Phone: (416) 820-7949
Provenance
- Source
- C-NRPP Find a Professional directory, pulled 2026-10-18.
- Method
- Copied from the registry on the date shown. Status is derived from each credential’s expiry date; nothing is typed by hand.
- Date checked
- 2026-10-18
- Next review
- 2026-11-18