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 |
| Allen-Norris Permitting and Inspections LLC | Residential, Commercial Building, Electrical, Mechanical, Plumbing, Energy, Fire Protection |
(410) 322-0809 |
| 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 |
| Choice Inspections LLC | Building, Electrical, Mechanical, Plumbing, Energy, Fire | (410) 892-0193 |
| Chungwa Club LLC | Building, Electrical, Mechanical, Plumbing, Energy, Fire, Green | (202) 670-7788 |
| 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 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 |
| DMY Engineering Consultants, Inc. | Building, Electrical, Plumbing, Mechanical, Energy, Fire | (703) 655-0586 or (301) 768-4169 |
| ECS Mid-Atlantic, LLC | Building, Electrical, Plumbing, Mechanical, Energy, Fire | (703) 471-8400 |
| 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 |
| Geotech-Environmental Solutions, LLC | Building, Plumbing, Mechanical | (804) 512-3338 |
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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 |
| Mahin Inspections | Building, Electrical, Plumbing, Mechanical, Energy, Fire | (202) 413-3322 |
| 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 |
| Plus Engineering | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility (RESIDENTIAL ONLY) | (703) 919-0008 |
| Pro Ins. LLC | Fire Protection, Building, Mechanical, Electrical, Plumbing, Energy, Green, Accessibility | (301) 213-9367 |
| Soil Consultants Engineering Inc. | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Energy, Accessibility | (703) 366-3000 |
| Total Engineering Services, LLC (TES) | Structural, Electrical, Plumbing, Mechanical, Energy, Fire | (301) 339-4261 |
| 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 |
| Allen-Norris Permitting and Inspections, LLC | Structural, Electrical, Mechanical, Plumbing, Energy, Fire Protection | (410) 322-0809 |
| 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 |
| Chungwa Club LLC | Building, Electrical, Mechanical, Plumbing, Energy, Fire, Green | (202) 670-7788 |
| CORE Engineers Consulting Group | Structural, Electrical, Fire Protection, Plumbing, Mechanical, Elevator, Green, Energy, Accessibility | (202) 464-4646 |
| Elephas Engineering | Fire Plans, Licensed Fire Protection Engineer | (202) 812-2408 |
| Elite Code Inspections | Fire Plans, Structural, Mechanical, Electrical, Plumbing, Accessibility, Energy | (202) 746-1248 |
| 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 |
| SC Stevenson Consulting, Inc. | Fire, Green, Strutural, Mechanical, Electrical, Plumbing, Energy | (804) 622-8630 |
| 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 |
| CTI District Services Inc. | Special Inspections | (202) 601-0897 |
| DMY Capitol, LLC | Special Inspections | (202) 741-9159 |
| 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 |
| Elite Code Inspections, LLC | Special Inspections | (202) 746-1248 |
| FMC & Associates | Special Inspections | (202) 863-0123 |
| FMC & Associates Capital LLC | Special Inspections | (202) 878-8368 |
| 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 |
| Global Geotechnical Consultants LLC | Special Inspections | (703) 662-8707 |
| 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 |
| Makazo Engineering LLC | Special Inspections | (202) 853-2110 |
| Matthew W. Anderson, PE, PLLC | Special Inspections | (571) 528-8898 |
| 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 |
| Reliable Engineering LLC | Special Inspections | (410) 240-7863 |
| ROX Engineering, Inc. | Special Inspections | (703) 421-1999 X202 |
| Sam Engineering, LLC 2024139 | Special Inspections | (571) 276-0319 |
| 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 |
| Specialized Engineering | Special Inspections | (301) 607-4180 |
| Stratified Inc | Special Inspections | (240) 495-4578 |
| Technical Engineering Construction Services (TECS), LLC | Special Inspections | (240) 838-1368 |
| Terracon Consultants | Special Inspections | (703) 730-4160 |
| The Robert Balter Company | Special Inspections | (410) 363-1555 |
| Total Engineering Services, LLC | Special Inspections | (301) 339-4261 |
| Triad Engineering, LLC | Special Inspections | (703) 729-3456 |
| Universal Engineering Sciences, Inc. | Special Inspections | (703) 654-5111/(571) 444-6090 |
| Elevator Inspections | Approved Disciplines | Phone Numbers |
| Adonai Consultants, Inc. | Elevator Inspections | (202) 547-9500 |
| 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 |
| Dominion Elevator Inspection Services | Elevator Inspections | (703) 721-2950 |
| EMCOR Government Services, Inc. | Elevator Inspections | (571) 403-8858 |
| NEIS Elevator Inspection Service | Elevator Inspections | (800) 886-6347 or (703) 690-7980 |
| Quade Elevators | Elevator Inspections | (301) 908-5516 |