In addition to the list of approved third-party agencies below, we’d like to introduce you to Tertius, an online marketplace for construction inspections. Tertius, Latin for “third,” is an innovative platform that easily connects residential and commercial property owners and managers with certified and approved inspectors at their convenience and within their budget. Users can either decide to use DOB inspectors (included with original cost of permits), or any of the below approved third-party inspection agencies.
If you are undertaking a building project and ready to schedule inspections, we invite you to learn more about the inspection agencies and to try Tertius today!
Department of Buildings - Approved Third-Party Inspection Agencies |
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| Code Inspections | Approved Disciplines | Phone |
| ALPHA LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (240) 565-8100 |
| AMAR Group LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (202) 829-2577 |
| American Plan Review | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy, Accessibility, Green | (202) 524-0471 or (202) 590-7518 |
| Americode JPL Management LLC | Structural, Mechanical, Electrical, Plumbing, Energy, Fire Protection | (571) 379-4760 |
| Building Code Inspectors, LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (202) 590-7518 |
| CamJap Inspections | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy, Accessibility | (202) 355-4029 or (202) 679-9159 |
| Capitol FPE, LLC | Fire Protection | (703) 717-5628 |
| CODEPRO LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (703) 405-7357 |
| Consulting Engineers Contractors Architects (CECA) | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy, Accessibility | (301) 967-1719 |
| Core Engineers Consulting Group | Structural, Mechanical, Electrical, Plumbing, Green | (202) 464-4646 |
| Core Inspection Services LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (301) 399-8817 |
| CTI District Services | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy, Green | (202) 601-0897 |
| DMY Capitol, LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy, Green | (202) 741-9159 |
| ECS Capitol Services, PLLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (202) 400-2188 |
| Elite Code Inspections, LLC | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Green, Energy, Accessibility | (202) 746-1248 |
| FMC & Associates | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Green, Energy, Accessibility | (202) 863-0911 |
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Institute for Building Technology & Safety (IBTS) |
Structural, Electrical, Fire Protection, Plumbing, Mechanical, Green, Energy, Accessibility | (703) 481-2017 or (703) 481-2000 |
| KCI Associates | Structural, Plumbing, Mechanical, Energy (Residential Only), Electrical (Commercial and Residential) | (703) 919-0008 |
| Lourenco Consultants, Inc. | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Green, Energy, Accessibility | (202) 966-0042 |
| MCP Inspections | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Green, Energy, Accessibility | (571) 366-0185 |
| Neway Engineering and Construction Inc. | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility | (703) 599-5611 |
| North Arrow, Inc. | Mechanical & Electrical | (202) 975-0986 |
| Plus Engineering | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility (RESIDENTIAL ONLY) | (703) 919-0008 |
| Soil Consultants Engineering Inc. | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Energy, Accessibility | (703) 366-3000 |
| SC Stevenson Consulting, Inc. | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility | (804) 622-8630 |
| Trust Inspections LLC | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility | (703) 442-0000 |
| Plan Review | Approved Disciplines | Phone Numbers |
| Adonai Consultants, Inc. | Elevator/Escalator | (240) 770-5560 |
| ALPHA LLC | Structural, Mechanical, Electrical, Plumbing & Fire Protection, Energy | (240) 565-8100 |
| American Plan Review | Structural, Mechanical, Electrical, Plumbing & Fire Protection, Green, Energy | (202) 524-0471 or (202) 590-7518 |
| Building Code Inspectors, LLC | Structural, Mechanical, Electrical, Plumbing & Fire Protection, Energy | (202) 590-7518 |
| CORE Engineers Consulting Group | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility | (202) 464-4646 |
| CTI District Services Inc. | Structural, Electrical,Fire Protection, Plumbing, Mechanical, Elevator, Energy, Accessibility | (202) 601-0897 |
| ECS Mid-Atlantic, LLC | Structural, Mechanical, Electrical, Plumbing, Green, Accessibility and Energy | (703) 471-8400 |
| Elite Code Inspections | Fire Plans, Structural, Mechanical, Electrical, Plumbing, Accessibility, Energy | (202) 746-1248 |
| Elephas Engineering | Fire Plans, Licensed Fire Protection Engineer | (202) 812-2408 |
| Geotech Environmental Solutions, LLC | Structural, Planning, Mechanical | (804) 512-3388 |
| Institute for Building Technology and Safety (IBTS) | Structural, Electrical, Energy,Fire Protection, Plumbing, Mechanical, Energy, Green, Accessibility | (703) 481-2025 |
| Lourenco Consultants, Inc. | Structural, Electrical, Energy,Fire Protection, Plumbing, Mechanical, Green Building, | (202) 966-0042 |
| MCP Inspections | Structural, Mechanical, Electrical, Plumbing, Residential Energy | (571) 366-0185 |
| North Arrow, Inc. | Electrical and Mechanical | (202) 975-0986 |
| SafeBuilt LLC | Structural, Mechanical, Electrical, Plumbing, Fire Protection, Energy | (866) 977-4111 |
| SC Stevenson Consulting, Inc. | Fire, Green, Strutural, Mechanical, Electrical, Plumbing, Energy | (804) 622-8630 |
| Sheladia Associates, Inc. | Structural, Accessibility, Mechanical, Electrical, Plumbing, Green, Energy, Fire Plans | (301) 590-3939 |
| Trust Inspections, LLC | Structural, Electrical, Plumbing | (703) 442-0000 |
| Special Inspections | Approved Disciplines | Phone Numbers |
| ALPHA LLC | Special Inspections | (240) 565-8100 |
| Bel Engineering, LLC | Special Inspections | (240) 830-2555 |
| BOTA Consulting Engineers, Inc. | Special Inspections | (301) 552-8840 |
| Building Envelope Consultants and Scientists, LLC | Special Inspections | (888) 206-6154 |
| CenKen Group LLC | Special Inspections | (410) 695-4711 |
| CTE Construction Testing & Engineering, Inc. | Special Inspections | (703) 335-0182 |
| DMY Engineering Consultants LLC | Special Inspections | (703) 655-0586 or (301) 768-4169 |
| Dulles Engineering Inc. | Special Inspections | (405) 385-2269 |
| Dulles Geotechnical and Material Testing Services | Special Inspections | (703) 999-3207 |
| Dulles Group for Management and Technical Services, LLC | Special Inspections | (703) 999-3207 |
| ECS Capitol Services, PLLC | Special Inspections | (202) 400-2188 |
| ECS Mid-Atlantic, LLC | Special Inspections | (703) 471-8400 |
| FMC & Associates | Special Inspections | (202) 863-0123 |
| Froehling & Robertson Inc | Special Inspections | (703) 996-0123 |
| GEI Consultants, Inc. | Special Inspections | (202) 828-9510 or (202) 828-9513 |
| GeoCapitol Engineering, LLC | Special Inspections | (202) 375-7900 |
| GeoPotential Consulting LLC | Special Inspections | (571) 237-4345 |
| Geotech Engineers, Inc. | Special Inspections | (301) 937-9227 |
| Geotech-Environmental Solutions, LLC | Special Inspections | (804) 512-3388 |
| Geotechnical Soultions, Inc. | Special Inspections | (703) 657-0014 |
| Geo-Technology & Associates | Special Inspections | (410) 792-9446 |
| Hillis Carnes Capitol Services, PLLC | Special Inspections | (202) 791-3788 |
| Kim Engineering | Special Inspections | (240) 614-7678 |
| Kleinfelder, Inc. | Special Inspections | (443) 393-7737 |
| KTLH Engineers, P.C. | Special Inspections | (202) 833-8622 |
| Mafi & Asociates, Inc. | Special Inspections | (301) 537-2346 |
| McKeever Service Corporation (MSC) | Special Inspections | (703) 691-1100 |
| Meyer Consulting Engineers Corporation | Special Inspections | (301) 738-5690 |
| MTI Engineering & Testing, Inc | Special Inspections | (703) 766-0220 |
| Mueser Rutledge Consulting Engineers | Special Inspections | (202) 554-0770 |
| Omnium Infrastructure Solutions | Special Inspections | (202) 780-3090 |
| Plus Engineering | Special Inspections | (703) 919-0008 |
| Pons & Associates | Special Inspections | (703) 774-9186 |
| Precise Engineering LLC | Special Inspections | (240) 447-9400 |
| Professional Service Industries, Inc. | Special Inspections | (703) 560-7931 |
| ROX Engineering, Inc. | Special Inspections | (703) 421-1999 X202 |
| SC Stevenson Consulting, Inc. | Special Inspections | (804) 622-8630 |
| Smislova Kehnemui & Associates | Special Inspections | (301) 881-8313 |
| Soil and Land Use Technology, Inc. (SaLUT) | Special Inspections | (301) 595-3783 |
| Schnabel Engineering | Special Inspections | (202) 677-4120 |
| Soil Consultants Engineering Inc. | Special Inspections | (703) 366-3000 |
| Somat Engineering Inc. | Special Inspections | (202) 778-2721 |
| Specialized Engineering | Special Inspections | (301) 607-4180 |
| Terracon Consultants | Special Inspections | (703) 730-4160 |
| TerraTek Consultants | Special Inspections | (571) 308-3361 |
| The Robert Balter Company | Special Inspections | (410) 363-1555 |
| Triad Engineering, LLC | Special Inspections | (703) 729-3456 |
| Universal Engineering Sciences, Inc. | Special Inspections | (703) 654-5111/(571) 444-6090 |
| WDP & Associates | Special Inspections | (703) 257-9280 |
| Elevator Inspections | Approved Disciplines | Phone Numbers |
| Adonai Consultants, Inc. | Elevator Inspections | (202) 547-9500 |
| American Elevator Inspection Services, Inc. (AEIS) | Elevator Inspections | (703) 550-9037 |
| Arundel Inspection Services, LLC | Elevator Inspections | (410) 766-4600 |
| ATIS Elevator Inspections, LLC | Elevator Inspections | (855) 755-2847 |
| Bayline Lift Technologies, LLC | Elevator Inspections | (757) 583-8900 |
| BOCA Group EAST LLC | Elevator Inspections | (212) 983-7010 x231 |
| Central Elevator Inspector | Elevator Inspections | (540) 987-3111 |
| Chief Upshaw's Elevator AKA PYU Elevator Inspections and Consulting | Elevator Inspections | (301) 498-3422 |
| Dominion Elevator Inspection Services | Elevator Inspections | (703) 721-2950 |
| EMCOR Government Services, Inc. | Elevator Inspections | (571) 403-8858 |
| Liberty Elevator Experts, LLC | Elevator Inspections | (844) 542-3538 |
| NEIS Elevator Inspection Service | Elevator Inspections | (800) 886-6347 or (703) 690-7980 |
| Omni Elevator Inspection Services | Elevator Inspections | (202) 675-6308 |
| Vertical Systems Analysis, Inc. (VSA) | Elevator Inspections | (212) 989-5525 |