Prestigious K Street Address
Use 1629 K Street NW, Suite 300 as your official business address — recognized by banks, the IRS, state agencies, and clients nationwide.
Washington DC Business Address
Business Address Service in Washington, DC
Establish your business with a prestigious 1629 K Street NW address. Professional mail handling, registered agent options, and same-day setup — just $32.50/month for your first 6 months, then $65/month. No contracts or deposits.
1629 K Street NW
Same-Day Setup
What’s Included
More Than Just a Mailing Address
Every OSI business address comes with the infrastructure and support you need to operate professionally in DC.
Professional Mail Handling
Trained staff receive, sort, and manage your mail daily. Choose pickup, forwarding, or digital scanning workflows.
Registered Agent Service
Add DC registered agent service for just $5/month — receive legal documents and service of process at your K Street address.
LLC & Business Formation Ready
Use your address immediately for DC business registration, EIN applications, bank accounts, and state filings.
Meeting Room Access
Book professional conference rooms and private offices by the hour when you need face-to-face client meetings.
Phone & Receptionist Add-Ons
Upgrade to include a DC phone number, live call answering, and personalized call routing for your business.
Who It’s For
Built for Businesses That Need a DC Presence
Whether you’re launching a new LLC or expanding into the capital, a K Street address gives you instant credibility.
LLCs & New Businesses
Register your DC business with a real commercial address. Accepted by DCRA, banks, and the IRS for formation documents.
Remote & Hybrid Teams
Maintain a professional headquarters without a full-time lease. Your team works anywhere while clients see K Street.
Consultants & Freelancers
Separate your home address from your business. A K Street address elevates proposals, invoices, and client confidence.
Government Contractors
Meet SAM.gov and CBE address requirements with a verifiable DC commercial location. Certificate of Occupancy available.
Pricing
Simple, Transparent Pricing
No deposits. No contracts. No hidden fees. Pick the plan that fits and upgrade anytime.
Enhanced Mail Service
$65 /month
$32.50 /month
First 6 months — then $65/mo
- K Street business address included
- Daily mail sorting and filing
- Forwarding on Wednesday and Friday
- Occupancy permit included
- Office use available at $18/hour
Starter Package
$99 /month
$49.50 /month
First 6 months — then $99/mo
- K Street address with mail handling
- DC phone number with voicemail to email
- 2 prepaid office hours per month
- Occupancy permit included
- Meeting room and conference access
Comprehensive Service
$165 /month
- Live phone answering by receptionists
- Mail collection and sorting
- 16 prepaid conference/meeting hours
- K Street address with lobby listing
- Phone relay and voicemail to email
Why OSI
Why 500+ Businesses Choose OSI
We’ve been providing business address services in Washington DC since 1981. Here’s what sets us apart.
45 Years in Business
Established in 1981, OSI is one of the longest-operating business address providers in Washington DC.
Same-Day Setup
Start using your new business address immediately. No waiting periods, no approval delays.
No Contracts or Deposits
Month-to-month terms with no upfront costs. Scale up, downgrade, or cancel anytime without penalties.
FAQ
Frequently Asked Questions
Yes. Our 1629 K Street NW address is a real commercial location accepted by DCRA, the IRS, banks, and state agencies for business formation, EIN applications, and business license filings.
Same day. Once you complete the signup process, you can immediately begin using your K Street address on business cards, websites, filings, and correspondence.
No. All OSI plans are month-to-month with no contracts, no deposits, and no setup fees. You can upgrade, downgrade, or cancel at any time without penalty.
Our front desk team receives and sorts your mail daily. Depending on your plan, you can pick up in person, have mail forwarded to any address, or receive digital scans of your correspondence.
Yes. DC registered agent service is available as an add-on for just $5/month. We’ll accept service of process and legal documents on your behalf during business hours.
Yes. Our address meets SAM.gov registration requirements and DC CBE certification address criteria. We can also provide a Certificate of Occupancy upon request.
Yes. Conference rooms and private offices are available to book by the hour. Higher-tier plans include prepaid hours, or you can reserve rooms on demand at member rates.
A business address provides a commercial mailing location for registrations and correspondence. A virtual office adds phone services, live receptionist support, and prepaid office hours. OSI offers both — start with an address and upgrade anytime.
Get Your DC Business Address Today
50% off your first 6 months — starting at just $32.50/mo. No contracts, no deposits, no hidden fees. Join 500+ businesses on K Street.
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Full virtual office with phone, mail, receptionist, and meeting room access.
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Virtual Mail Service
AI-powered mail scanning with instant digital delivery to your portal.
Virtual Office for Government Contractors
CBE/SAM-ready virtual office with certification support and K Street address.
Related Resources
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