3400 Massachusetts Ave Nw, Washington, DC 20007

Washington
Local realty services provided by:Better Homes and Gardens Real Estate Community Realty
3400 Massachusetts Ave Nw,Washington, DC 20007
$10,750,000
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  • 7 Beds
  • 11 Baths
  • 12,200 sq. ft.
  • Single family
  • Active
Listed by: robert hryniewicki, christopher r leary
Office: ttr sotheby's international realty
MLS#:DCDC2246924
Source:BRIGHTMLS

Price summary

  • Price:$10,750,000
  • Price per sq. ft.:$881.15

About this home

Prominently sited in prestigious Observatory Circle, the historic Heurich-Parks House at 3400 Massachusetts Ave, NW presents a rare opportunity to own a fully reconstructed Washington estate. Originally built in 1925 by architect Albert S.J. Atkinson and once home to Christian Heurich Jr., a philanthropic businessman, as well as Marshall Parks, known as the "father of pediatric ophthalmology", this distinguished Spanish Mission-style residence was masterfully reconstructed and expanded in 2017 with designs by renowned BarnesVanze Architects, seamlessly blending historic provenance with modern luxury. Set on a beautifully landscaped and level 0.39-acre lot with irrigation, the property is introduced by a grand circular driveway and features a detached 2-car garage with guest house studio above. Encompassing approximately 13,900 square feet, the residence offers 7 bedrooms, 9 full baths, 2 half baths, and an elevator. The main level is defined by 9-foot ceilings and elegant entertaining

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Home facts

  • Year built:1925
  • Listing ID #:DCDC2246924
  • Added:1 day(s) ago
  • Updated:March 09, 2026 at 07:42 PM

Rooms and interior

  • Bedrooms:7
  • Total bathrooms:11
  • Full bathrooms:9
  • Half bathrooms:2
  • Basement:Yes
  • Basement Description:Full, Fully Finished
  • Living area:12,200 sq. ft.

Heating and cooling

  • Cooling:Central A/C
  • Heating:Heat Pump(s), Natural Gas

Structure and exterior

  • Year built:1925
  • Building area:12,200 sq. ft.
  • Lot area:0.39 Acres
  • Architectural Style:Spanish
  • Construction Materials:Brick
  • Exterior Features:Patio(s), Porch(es)
  • Foundation Description:Slab
  • Levels:4 Story

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$10,750,000
  • Price per sq. ft.:$881.15
  • Tax amount:$60,824 (2025)

Features and amenities

  • Amenities:Electric Alarm, Elevator, Exterior Cameras, Sauna
  • Pool features:Indoor

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