- One Platform
- Centralized Inspection Management
- Certified Inspectors
- Flexible & Transparent Scheduling
-
4+
Disciplines and growing Third-party, special inspections, DOB in-house, DOEE -
7,975
New projects in fiscal year 2025 -
100%
Qualified and certified inspectors -
16,000+
Combined inspections in fiscal year 2025
Our growth story
Since its 2021 launch for third-party inspection, Tertius has expanded to include DOB construction inspections, integrated DOEE services, and introduced a full-discipline certification - giving customers more visibility, flexibility, and control than ever before.
Looking for an inspector?
Permits can be inspected either by third-party or by DOB Inspectors
Third-party construction Inspections
- Regulatory Code, Special Inspections and DOEE Inspections
- Only DOB and DOEE approved agencies
- Track inspections, download reports, and pay for inspection services with one login
DOB construction Inspections Scheduling
- Free service
- Schedule within the next 2 weeks
- DOB inspecors are certified and approved
How it works
-
1
Select the discipline
Third-party Regulatory Code, Special Inspections, DOEE erosion and sediment control inspections.
-
2
Create a Tertius project
Create a project with the inspection agency you select by using the address or permits.
-
3
Coordinate inspection scheduling
Review reports, and manage the inspections services.
-
4
Pay through Tertius
Conveniently pay for the inspection services through Tertius.
-
5
Monitor inspection progress
See when permits are completed. This finalizes your project.
-
1
Add Inspection Types
Search a permit number or all the permits at the same address and select the inspection types you need to be performed.
-
2
Select your Preferred Date
The system will show you the available dates for the next 2 weeks. Select the most suitable one.
-
3
Check the Results
Get notified about the expected arrival of the inspector on the day of the inspections and see the results in the same app.