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Premier Renovated Office Building
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1666 Connecticut Ave NW, Washington, DC 20009

Renovated, boutique office with new spec suites, conference facility, and ample below-grade parking for efficient city operations.

Space Size1,020 SF - 4,524 SF
Property Size78,399 SF
Days on Market72

Property Features for 1666 Connecticut Ave NW

General Information

Standard status Active
Size 1,020 SF - 4,524 SF
Total Parking Spaces 150
Property subtype Office

Building Details

Building Size 78,399 SF
Stories 7

Spaces For Lease

at 1666 Connecticut Ave NW Contact us

3rd Floor | Spec Suite A

Size
3,700 SF
Term
Negotiable
Rate
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Contact us

3rd Floor | Spec Suite B

Size
1,700 SF
Term
Negotiable
Rate
Contact for pricing
Contact us

3rd Floor | Spec Suite C

Size
2,500 SF
Term
Negotiable
Rate
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Contact us

3rd Floor | Spec Suite D

Size
2,500 SF
Term
Negotiable
Rate
Contact for pricing
Contact us

3rd Floor | Spec Suite E

Size
3,700 SF
Term
Negotiable
Rate
Contact for pricing
Contact us

Suite 525

Size
2,498 SF
Term
Negotiable
Rate
Contact for pricing
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Suite 200 $49.75/SF/Yr

Size
1,875 SF
Term
Negotiable
Contact us

Suite 201 $49.75/SF/Yr

Size
4,524 SF
Term
Negotiable
Contact us

Suite 250 $47/SF/Yr

Size
1,020 SF
Term
Negotiable
Contact us
Listing Agency: Lincoln Property Company | Washington DC
Listed By: Merrill Turnbull
Source: Lpc
Added: Jun 2 Changed: Aug 8 Last Checked: Jun 3 at 2:46AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Lincoln Property Company | Washington DC

Investment Insights

Based on property information with market context.

This premier office building at 1666 Connecticut Ave, NW is delivering newly renovated spec suites scheduled for August 2026. The boutique floor plate is designed with strong setbacks and a window line that reaches in all directions, supporting bright, functional work environments. In addition to the refreshed office improvements, a new on-site conference facility and tenant lounge are coming soon, adding flexible space for collaboration and meetings. The building also offers three levels of below-grade parking, with a stated parking ratio of 1 per 1,500 RSF.

The property is positioned with an iconic presence on the Connecticut Avenue corridor, just two blocks from the Dupont Metro Station. On-site dining includes Sette Osteria, and additional new retail is planned to come soon, which can be a convenient amenity for employees and visitors in the area.

With its renovated finishes, boutique layout, and planned amenity upgrades, the building is well suited to tenants seeking a higher-quality, centrally located office environment near transit. Organizations that value a conference-focused setup and on-site food and retail options may find this configuration particularly compelling as spec suites come online in 2026.

Key Highlights

  • Boutique office with newly renovated space and new spec suites delivering August 2026
  • Spec suites range from 1,700–3,700 RSF, offering flexible office sizes
  • New conference facility plus tenant lounge coming soon

Property Analytics

Current Use

Sette Osteria Restaurant Robert B Fitzpatrick Law Firm Lichtman and Elliot PC Law Firm Washington Office On Latin ... Charitable Organization Liotta Robert C Law Firm

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Auto Parts Store Pet Grooming Service Fish Market Butcher Tanning Salon

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

13,963
Businesses Nearby

Demographics for 20009, DC

53,357
Population
31,824
Households
1.7
Avg Household Size
34
Median Age
84%
College-Educated
97%
High-School Grad
1.3 sq mi
ZIP Area
41,044
Density / Sq Mi
$140,555
Median Household Income
$99,606
Median Earnings
$2,346
Median Rent
$727,800
Median Home Value

Market

Lease Benchmarks for Washington, DC

$44.5 /SF/Yr
Avg Asking Price
$1.8–$74 /SF/Yr
Price Range
23,450 SF
Avg Space Size

Vacancy Rate% for Office in Washington, DC

14.8% 2019
17% 2020
18.1% 2021
19.5% 2022
20.7% 2023
21.9% 2024
22.8% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Renovated, boutique office with new spec suites, conference facility, and ample below-grade parking for efficient city operations.
Where is this office building located?
The property is located at 1666 Connecticut Ave NW Washington, DC.
What are key features of this property?
This property features: Boutique office with newly renovated space and new spec suites delivering August 2026; Spec suites range from 1,700–3,700 RSF, offering flexible office sizes; New conference facility plus tenant lounge coming soon
More about this property
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