The William Deforest House is an exquisitely restored commercial office building in lower East Rock. Located at the edge of Downtown NH & steps from Yale, it offers convenient access to highways 91 & 95. The Italian Villa Style house was built in 1858 for a well known physician as his residence. The stately brick mansion was meticulously restored in the early 2000s by Petra Construction w/ incredible attention to detail & no expense spared. The building boasts a versatile 4,016 SQ FT of office space on 3 levels w/ additional attic space w/ expansion possibilities. Remarkable architectural details throughout include 11 FT ceilings, rare pierced plaster frieze molding, ornate Fireplaces and oversized windows. The 1st floor offers a spacious reception area, a conference room, a kitchen area, 2 spacious offices, 2 1/2 baths & a one-of-kind executive office w/ a striking hand-carved wood archway. The 2nd floor has 3 additional elegant offices with 1.5 baths, and a large conference room w/wood paneling and molding, built-ins, and wiring for high-speed video conferencing. The lower level has a private entrance with an additional 1,087 sq ft of space including 2 offices, 3rd conference room & 1/2 bath. Separate entrance provides flexibility for income or a space for another business. The building has gas heat, CA & updated electrical. The exterior has a gorgeous entryway & parking lot for 12 cars. Truly a rare opportunity to own one of New Haven’s most distinguished buildings.
Listing Provided Courtesy of John Hill at Seabury Hill REALTORS
Property Details
Price:
$1,495,000
MLS #:
24211160
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Neighborhood:
eastrock
Listed Date:
Oct 2, 2026
Finished Sq Ft:
4,016
Lot Size:
9,583 sqft / 0.22 acres (approx)
Year Built:
1900
See this Listing
Schools
Elementary School:
Per Board of Ed
High School:
Per Board of Ed
Interior
Exterior
Financial
Map
Community
- Address445 Orange New Haven CT
- NeighborhoodEast Rock
- CityNew Haven
- CountyNew Haven
- Zip Code06511
Subdivisions in New Haven
Market Summary
Current real estate data for Single Family in New Haven as of Oct 08, 2026
83
Single Family Listed
73
Avg DOM
249
Avg $ / SqFt
$489,895
Avg List Price
Property Summary
- 445 Orange New Haven CT is a Single Family for sale in New Haven, CT, 06511. It is listed for $1,495,000 and features 4 beds, 5 baths, and has approximately 4,016 square feet of living space, and was originally constructed in 1900. The current price per square foot is $372. The average price per square foot for Single Family listings in New Haven is $249. The average listing price for Single Family in New Haven is $489,895. To schedule a showing of MLS#24211160 at 445 Orange in New Haven, CT, contact your Century 21 AllPoints Realty agent at (203) 802-7252.
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445 Orange
New Haven, CT


