A professional-engineer-led consultancy delivering fire sprinkler and suppression system design, plan review, and code-compliant inspections across the DMV. Stamped drawings, defensible engineering, and inspections that stand up to any authority having jurisdiction.
End-to-end fire suppression engineering — from first hydraulic calculation to final acceptance test.
Complete wet, dry, pre-action, and deluge system design with full hydraulic calculations and PE-stamped construction documents.
Code-compliance review and permit support that anticipates the questions an AHJ will ask — before they ask them.
NFPA 25 inspections and acceptance testing that document system condition and keep facilities continuously in compliance.
Independent engineering judgment for complex occupancies, alternative means & methods, and existing-building challenges.
Four disciplined stages that reduce review cycles and field surprises.
Review scope, occupancy, water supply, and applicable codes to define the right basis of design.
Engineer the system with hydraulic calculations and produce stamped, build-ready documents.
Coordinate with the AHJ through permitting and respond to comments quickly and completely.
Verify installation through acceptance testing and ongoing NFPA 25 inspection programs.
Occupancies across the DMV's commercial and residential building stock.
Apartments · condos · dormitories
Low-rise & high-rise office
Clinics & assisted living
Hotels & restaurants
Schools & campus buildings
Storage · manufacturing · distribution
Stores & shopping centers
Public & government facilities
Every engagement produces a clear, code-defensible record. No loose ends for the contractor, the owner, or the authority having jurisdiction.
A true line is one you can build to with confidence — drawn straight, verified, and right the first time. That is the standard we hold every design and inspection to.
Most projects in the DMV are served by installation crews working from technician-level layouts. Trueline Fire is different: every package is shaped by licensed professional engineering judgment, so what gets built isn't just installable — it's defensible, efficient, and right the first time.
Because our design and inspection work is independent of any installer, our only stake is in the integrity of your system. That means fewer plan-review cycles, fewer field surprises, and protection you can stand behind for its entire service life.
Discuss Your Project“Life-safety systems should be designed by the person willing to put their stamp — and their name — on the outcome.”
The advantages of an independent, engineer-led practice.
Every drawing carries a P.E. seal and the engineering judgment to back it — so it holds up in plan review and in the field.
We don't install systems or sell hardware. Our only interest is the right system for your building — not the most profitable one to sell.
Sound engineering trims unnecessary pipe, heads, and labor while staying fully code-compliant — often offsetting our fee.
You work directly with the professional who designs, seals, and stands behind your system. No handoffs, no sales desk.
How an independent, engineer-led practice compares to the typical design-build vendor.
Comparison reflects the general design-build model common in the market and is not a statement about any specific company.
Local fluency in the codes, jurisdictions, and review processes across the DMV.
Design and inspection for the District's high-density commercial, institutional, and multifamily building stock.
Montgomery, Prince George's, Howard, Anne Arundel, Baltimore and surrounding counties.
Arlington, Alexandria, Fairfax, Loudoun, and Prince William jurisdictions.
The practical questions owners and design teams ask first.
Send the basics — scope, location, and timeline — and you'll get a direct response from the engineer who'll be doing the work. Initial consultations are complimentary.