SDVOSB Certified
Preconstruction Consulting

Concept to Closeout — Mechanical & Plumbing Consulting

RFF Services LLC handles the full project arc: progressive design-build, design assist, plans and specs from conceptual through permitting, and end-of-project recap — backed by 10 years working alongside licensed engineers in HVAC, plumbing, fire protection, and irrigation.

500+Projects Completed
$2B+Construction Value Managed
25+Years of Experience
Service-Disabled Veteran-Owned Small Business
Virginia SWaM Certified Business

RFF Services LLC is a certified service-disabled veteran-owned small business (SDVOSB) — uniquely qualified for set-aside contracts across federal, state, and municipal projects.

What We Do

Full-Scope Mechanical & Plumbing Consulting

From the first concept sketch through permit documents and final project recap — we handle every phase of the preconstruction process.

HVAC Design & Preconstruction

Progressive design-build and design-assist support from conceptual system selection through permit-ready plans and specifications.

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Plumbing Design & Preconstruction

Licensed C-36 consulting across domestic, sanitary, fire protection, and irrigation systems — from schematic layout through permit submission.

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Project Controls

Schedule development, progress tracking, change management, and end-of-project recap to keep your MEP scope on time and on budget.

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Cost Management & Estimating

Phase-appropriate cost models from conceptual through GMP — built on real field experience, not just spreadsheets.

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Who We Serve

Built for the Professionals Who Build

Government & Public Sector

As a certified SDVOSB, RFF Services LLC is uniquely positioned for federal, state, and municipal projects — bringing compliance rigor, documentation discipline, and cost transparency that public agencies demand.

SDVOSB Certified

Commercial Construction

From office towers to mixed-use developments, we deliver MEP preconstruction cost intelligence that sharpens bids, protects margins, and keeps commercial projects on schedule.

Bid accuracy you can stand behind

Industrial Facilities

Complex mechanical and plumbing systems in industrial environments demand precision from the start. We provide detailed scope development and cost controls built for high-stakes industrial builds.

Complex systems, controlled costs

Healthcare & Life Sciences

Healthcare construction carries zero tolerance for budget surprises. We bring the specialized MEP cost management and project controls that hospitals, clinics, and research facilities require.

Zero-tolerance budget management

General Contractors & Developers

We integrate seamlessly into your preconstruction workflow — delivering MEP cost intelligence that sharpens your bids, protects your margins, and gives owners confidence at every milestone.

Seamless preconstruction integration
HVAC mechanical systems and ductwork
Mechanical Precision. Financial Certainty.

Start Your Project Right

Every dollar saved in preconstruction is a dollar earned in construction. Let RFF Services LLC bring precision to your next project before the first pipe is laid.

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