18 Commonwealth Ave Boston, MA ^$ 22,500,000

18 Commonwealth Ave

^$ 22,500,000

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Recently Listed

18 Commonwealth Ave

Boston, MA, 02116

^$ 22,500,000

Bedrooms5 Baths5.3 Sq 8,101

Monthly Estimate*

^$ 155,402

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Single Family Home for sale in Boston, MA

for $22,500,000 with 5 bedrooms and 5 full baths, 3 half baths. This 8,101 square foot home was built in 1864 on a lot size of 0.05.

Situated on the coveted first block of Commonwealth Avenue, steps from the Public Garden, the historic Ward Mansion blends architectural grandeur with modern luxury. Built in 1864 and meticulously restored, this approximately 8,100-square-foot single-family offers six elevator-served levels, five en-suite bedrooms, and three powder rooms. Exquisite interiors feature custom millwork, quartersawn white oak floors, ornamental ironwork, and exceptional marble. A chef’s kitchen showcases Calacatta Vagli marble, Wolf and Sub-Zero appliances, and dual Cove dishwashers. Elegant living and dining rooms, a private library, and multiple fireplaces offer refined entertaining. The full-floor primary suite features dual dressing rooms and a marble bath with steam shower. An au pair suite and top-floor lounge with kitchenette and wine storage add versatility. A private roof deck with outdoor kitchen and skyline views, two-car garage, two additional parking spaces, and heated exterior pavers complete this rare Back Bay offering.

Single Family Active

Price

^$ 22,500,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 83,561

Style

Lot Size

0.05

Year Built

1864

Town/City

Boston

County/Region

Suffolk

MLS | Web ID

73600506

List By

Joshua Stephens

Listing Agent

Berkshire Hathaway Homeservices Warren Residential

Broker

Affordability Calculator

$162,365

Per Month

Monthly Principal & Interest: $155,402
Monthly Property Taxes: $6,963
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends

Single family listings in Boston, MA

Average List Price ^$2,094,602

Percent of Sale Price 91%

About Boston, MA

685,111 Population

16% Since 2002

^$65,384 Median Income

34.81 Median Age

20% Households with Children

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Trends Information provided by ATTOM Data Solutions.

Neighborhood & Schools

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Pricing History

Date	Price	Price Change	Description
11/10/2026	$22,500,000		Listed Price

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18 Commonwealth Ave, Boston, MA, 02116 is a Single Family Home for sale at $22,500,000 with 8,101 sqft and a lot size of 0.05. 18 Commonwealth Ave has 5 bedrooms, 5.3 baths, and was built in 1864. The property's zip code is 02116 which is in Boston, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Data is updated as of 11/10/2026.

The real estate information and related content displayed on this site is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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18 Commonwealth Ave

Single Family Home for sale in Boston, MA

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