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Property Description
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, two spacious offices, 2 half baths and 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. The 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 distinguish buildings!
Full Property Details
Full Property Details for 445 Orange St
General
- Price: $1,495,000
- Taxes: (July 2026-June 2027)
- Status: Active
- Type: Commercial
- Source: SMARTMLS
- MLS ID: 24210709
- Updated: 9/30/2026
- Added to Site: 5 day(s) ago
Interior
- Interior Features: Security System
- Flooring: Tile, Wall-To-Wall Carpet
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 1
- Half Bathrooms: 4
- Restrooms: 5
Exterior
- Exterior Features: Sidewalk, Gutters, Lighting
Parking
- Uncovered Spaces: 12
- Total Spaces: 12
- Parking: Paved, Off Street Parking
Location
- County: New Haven
- Neighborhood: East Rock
- Driving Directions: Trumbull Street to Orange Street
Community
- Community Name: East Rock
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Air, Natural Gas
- Heating Fuel: Natural Gas
Utilities
- Sewer: Public Sewer Connected
- Water: Public Water Connected
- Utility Description: Electric, Gas
Structural Information
- Roof: Flat, Membrane
- Ceiling Height: 11
- Amps: 200
- Stories/Levels: 3
- Stories in Building: 3
- Square Feet: 4,016
- Sq. Ft. Source: Public Records
- Current Bldg. Use: Commercial Office Space
- Office: 4,016 Sq. Ft.
- Year Built: 1900
Unit Information
- # Tenants: 1
Unit 1
- Unit Description: Office
- Square Feet: 2016
- Total Bathrooms: 5
- Partial Bathrooms: 4
Lot Features
- Lot Size (Acres): 0.22
- Frontage: Municipal Street
- Present Use: Commercial Office Space
- Potential Use: Commercial office space
- Zoning: RM2
- Lot Description: Level Lot
Financial Considerations
- Assessment Amount: $504,140
- Tax Year: July 2026-June 2027
Disclosures and Reports
- Documents Avail.: Brochure, Lead Disclosure
- Property ID: 1246111
Listed by Seabury Hill REALTORS, John Hill
Get Pre-Approved Today
Schools
Schools serving 445 Orange St
School District:New Haven School District
| Name | Grades | Distance |
|---|---|---|
East Rock Community Magnet School 133 Nash Street, New Haven, CT 06511 | PK-8 | 0.8 mi |
Wilbur Cross High School 181 Mitchell Drive, New Haven, CT 06511 | 9-12 | 1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 445 Orange St
Date
Details
Price
Change
Source
9/30/2026
Listed
$1,495,000
273.75%
MLS
11/22/2000
Sold
$400,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 445 Orange St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$19,863
2%
$504,140
—
2023
$19,409
3%
$504,140
—
2023
$18,754
-6%
$504,140
—
2022
$20,040
12%
$504,140
24%
2021
$17,852
—
$406,840
—
2020
$17,852
2%
$406,840
—
2019
$17,486
—
$406,840
—
2018
$17,486
11%
$406,840
—
2017
$15,737
—
$406,840
8%
2016
$15,697
—
$377,790
—
2015
$15,697
—
$377,790
—
2014
$15,697
2%
$377,790
—
2011
$15,414
—
$377,790
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 445 Orange St
445 Orange Street, New Haven, CT 06511 (MLS# 24210709) is a Commercial property. 445 Orange Street is currently listed for $1,495,000 and was received on September 30, 2026. Want to learn more about 445 Orange Street? Do you have questions about finding other Commercial real estate for sale in New Haven? You can browse all New Haven real estate or contact a Coldwell Banker agent to request more information.

