Founded by an Attorney — 45 Years Serving Legal Professionals

Prestigious K Street Office Space for Attorneys

Elevate your practice with a premier Washington D.C. address. Private offices, conference rooms, and flexible month-to-month terms — just steps from the White House and Farragut Square.

Legal plans from $99/month · No lease, no deposit
Attorney-Client Privacy
Secure, private offices
4.9★ Rating
45 Years in business
45
Years Serving Attorneys
K St.
Prestigious Address
24/7
Building Access
$0
Setup Fees

Premium Legal Office Space Designed for Your Success

Founded by C. Jack Pearce, a distinguished antitrust attorney with experience at the U.S. Department of Justice, we understand the unique needs of legal professionals.

Prime K Street Location

Elevate your practice with a prestigious address one block from the White House — the professional image clients expect from top legal counsel.

Flexible Terms

Adapt your office space to your practice's changing needs with month-to-month options and no long-term lease requirements.

Privacy & Confidentiality

Conduct client meetings and sensitive legal work in secure, private offices designed with attorney-client privilege in mind.

Conference Facilities

Well-appointed meeting rooms for depositions, mediations, and client conferences with modern technology and professional settings. Tour our facility.

Smart Mail Management

AI-powered mail scanning with confidentiality protocols, instant digital delivery, and secure forwarding through our client portal.

Professional Reception

Dedicated staff to greet clients, manage calls with a D.C. number, and handle administrative tasks with voicemail-to-email transcription.

Comprehensive Legal Office Solutions

Our K Street location provides the prestigious address your practice deserves while providing the flexibility modern attorneys need — with no long-term commitments, setup fees, or termination penalties.

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Furnished Offices

Elegant, ready-to-use workspaces with professional furnishings

Secure Mail Handling

Scanning and forwarding with confidentiality protocols

24/7 Building Access

Round-the-clock secure entry for late case preparation

High-Speed Internet

Enterprise-grade connectivity for research and communications

Registered Agent

Professional representation for legal documents and notices

DC Bar Collaboration

Exclusive lectures and professional development events

Legal Network

Connect with fellow attorneys for referrals and collaboration

Curbside Delivery

Convenient mail delivery directly to your vehicle

The Complete Guide To
Attorney
Office Space
in Washington D.C.
Free Download

Download Our Guide for Attorneys

Everything you need to know about establishing or expanding your legal practice in Washington D.C. — from choosing the right office to building your professional presence on K Street.

  • Choosing the right legal office setup
  • Privacy & attorney-client privilege considerations
  • Flexible plans & pricing comparison
  • Getting started checklist
Download Free Guide (PDF)

Visuals and Voices

Take a look inside our legal workspace and hear from the attorneys who call OSI home.

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Located at the corner of K Street and 17th — Washington D.C.'s most prestigious business address

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Full-scale boardroom with U-shaped layout, large-format display, and room for your most important gatherings.

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Modern executive office with marble desk, lounge seating, and panoramic city views on K Street.

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Classic executive office with rich leather furnishings, display shelving, and natural light overlooking downtown.

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Professional 10-seat boardroom with city views — book by the hour for client meetings and depositions

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Spacious 20+ seat conference room with modern acoustic design and AV technology for large meetings and events.

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Our staffed front desk welcomes your clients with a polished, professional first impression.

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Fully furnished private office with natural light and downtown D.C. views — move in today, no lease required.

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Tech-equipped meeting room with large-screen display and whiteboard — perfect for presentations and team huddles

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Versatile private suite with comfortable seating and workspace — ideal for counseling or client meetings.

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Compact private office with desk and guest seating — an affordable professional space for solo practitioners.

Office Space for Lawyers in DC — Common Questions

Answers to the questions attorneys and law firms ask most about office space at OSI Offices on K Street NW.

While DC does not strictly require attorneys to maintain a physical office, having a professional business address is essential for bar registration, client correspondence, court filings, and building credibility. OSI Offices at 1629 K Street NW provides a prestigious K Street address recognized throughout the legal community, with a DC Certificate of Occupancy that satisfies business registration requirements. Plans start at just $35/month with no deposits.

Many attorneys use the OSI Offices address at 1629 K Street NW for their DC Bar registration and other professional licensing requirements. Our facility holds a DC Certificate of Occupancy, providing a legitimate commercial business address. We recommend confirming specific requirements with the DC Bar, but our address has been successfully used by numerous attorneys for their bar registration filings and business formation documents.

Yes. OSI Offices offers fully equipped conference rooms that are regularly used for depositions, client consultations, mediations, and team meetings. Rooms start at $18/hour and include high-speed Wi-Fi, a large presentation display, whiteboard, and a professional environment suitable for legal proceedings. Our staffed reception area can greet clients and witnesses, adding an extra layer of professionalism to your practice.

K Street NW is arguably the most recognized business address in Washington DC for legal and government affairs professionals. The corridor is home to many of the nation's top law firms, lobbying organizations, and policy groups. OSI Offices at 1629 K Street NW is steps from Farragut North and Farragut West Metro stations, the DC Superior Court, and federal agency offices — making it an ideal location for attorneys who need proximity to government institutions and a prestigious address that commands client confidence.

Yes. Our 1629 K Street NW address is a legitimate commercial office address backed by a DC Certificate of Occupancy. Attorneys regularly use it on court filings, letterheads, business cards, and professional registrations. Combined with our AI-powered mail scanning service, you receive instant digital notifications when legal correspondence or court documents arrive, ensuring you never miss a critical filing deadline.

Law firms typically require private offices for confidential client communications, conference rooms for depositions and meetings, reliable high-speed internet, printing and scanning, a professional reception area, and secure mail handling. OSI Offices provides all of these at 1629 K Street NW — along with month-to-month flexibility, no deposits, and plans starting at $35/month for virtual offices. Private offices and dedicated desks are also available for attorneys who need a full-time physical presence.

Ready to Elevate Your Legal Practice?

With over 40 years of serving D.C.'s legal community, we understand what attorneys need. Share your requirements and let's find the perfect solution for your practice.

Popular Plans for Legal Professionals

Transparent pricing with no hidden fees or long-term commitments. Tailored for attorneys at every stage of their practice.

Attorney starter package icon for K Street office spaceStarter Package

$99/mo
  • K Street Farragut Square address
  • Complete mail service with scanning
  • DC phone number with voicemail-to-email
  • Two hours prepaid office use
  • Mail surfaces scanned and emailed on receipt
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