How much do condos cost at 45 W 3rd St?

In the past 12 months, 6 condos sold at 45 W 3rd St (45 W 3rd St, Boston) for a typical $1,051,250, or $1,016 per square foot. Sales ranged from $760,000 to $1,350,000.

How fast do condos sell at 45 W 3rd St?

Units that sold in the past 12 months took a typical 15 days to get an accepted offer, and 17% sold for their first asking price or more. In South Boston overall, it took 23 days.

What are the condo fees at 45 W 3rd St?

The typical monthly condo fee at 45 W 3rd St is $665, about $0.69 per square foot a month, based on the fees filed with its listings.

What does it cost to rent at 45 W 3rd St?

8 units rented in the past 12 months, for a typical $4,650 a month. 1 bedroom: $4,223; 2 bedrooms: $4,600; 3+ bedrooms: $6,125.

When was 45 W 3rd St built, and how many units does it have?

45 W 3rd St was built in 2018 and has 105 units, with homes up to the 5th floor, according to its listings.

Building report · South Boston, Boston

45 W 3rd St

Boston, MA 02127

6 condos sold at 45 W 3rd St in the past 12 months, for a typical $1.05M, or $1,016 a square foot. That's 19% more per square foot than the typical condo in South Boston. Right now, none are for sale and 1 is for rent.

2018 built
105 units
5 floors with homes
#100 in Greater Boston by condo sales

Unit 225, under agreement. Listed by Steven Cohen Team, Keller Williams Realty Boston-Metro | Back Bay. MLS #73596866.

$1.05M: typical sale price, past 12 months
$1,016: per square foot
15 days: typical time to an accepted offer
17%: sold for asking or more
0: for sale now
$665: typical monthly condo fee

45 W 3rd St sells for 19% more per square foot than South Boston

Condo sales in the past 12 months: this building against all 325 condo sales in South Boston.

South Boston 45 W 3rd St

Price per sq ft ($)8521,016 +19%
Days to an accepted offer2315 −37%

Source: Verified market data; analysis by the Observer Markets Desk.

Show the numbers

	45 W 3rd St	South Boston
Typical price per sq ft	$1,016	$852
Typical days to an accepted offer	15	23
Sold for asking or more	17%	29%

Under agreement1 unit

$1,040,000
Unit 225, floor 4
2 bed · 2 bath · 1,008 sq ft
$1,032/sq ft · 10 days listed · $672/mo fee
Under agreement · Condo · MLS #73596866
45 W 3Rd St #225, Boston, MA
Listed by Steven Cohen Team, Keller Williams Realty Boston-Metro | Back Bay

For rent now1 unit

$5,000/mo
Unit 201, floor 1
2 bed · 2.5 bath · 1,234 sq ft
5 days listed
For rent · Condo rental · MLS #73598716
45 W 3rd St #201, Boston, MA
Listed by The Bohlin Group, Compass

Buy or rent here?

Typical sale price and monthly rent by size, past 12 months. “Rent as % of price” is a year's rent divided by the price: the higher it is, the more renting here costs compared with buying.

Size	Sale price	Monthly rent	Rent as % of price
1 bedroom	$830K (3)	$4,223 (2)	6.1%
2 bedrooms	$1.23M (3)	$4,600 (4)	4.5%
3+ bedrooms	–	$6,125 (2)	–

What soldPast 12 months, newest first

Closed	Unit	Size	Price	$/sq ft	vs. first ask
Nov 2	Unit 413MLS #73553154 · Knowledge Brokers Realty	1 bed, 959 sq ft	$925,000	$965	−3.5%
Aug 14	Unit 305MLS #73536482 · FRAME Residential	1 bed, 653 sq ft	$760,000	$1,164	−1.2%
Jul 23	Unit 406MLS #73499247 · Gibson Sotheby's International Realty	1 bed, 774 sq ft	$830,000	$1,072	−0.6%
Jun 24	Unit 313MLS #73501696 · Gibson Sotheby's International Realty	2 bed, 1,406 sq ft	$1,350,000	$960	+0.0%
Jun 22	Unit 402MLS #73509216 · Luxury Residential Group, LLC	2 bed, 1,125 sq ft	$1,177,500	$1,047	−1.8%
Mar 13	Unit 415MLS #73470050 · Coldwell Banker Realty - Brookline	2 bed, 1,243 sq ft	$1,225,000	$986	−2.0%

Where it isWith nearby buildings we track

Questions people ask

How much do condos cost at 45 W 3rd St?: In the past 12 months, 6 condos sold at 45 W 3rd St (45 W 3rd St, Boston) for a typical $1,051,250, or $1,016 per square foot. Sales ranged from $760,000 to $1,350,000.
How fast do condos sell at 45 W 3rd St?: Units that sold in the past 12 months took a typical 15 days to get an accepted offer, and 17% sold for their first asking price or more. In South Boston overall, it took 23 days.
What are the condo fees at 45 W 3rd St?: The typical monthly condo fee at 45 W 3rd St is $665, about $0.69 per square foot a month, based on the fees filed with its listings.
How many condos are for sale at 45 W 3rd St right now?: None right now.
What does it cost to rent at 45 W 3rd St?: 8 units rented in the past 12 months, for a typical $4,650 a month. 1 bedroom: $4,223; 2 bedrooms: $4,600; 3+ bedrooms: $6,125.
When was 45 W 3rd St built, and how many units does it have?: 45 W 3rd St was built in 2018 and has 105 units, with homes up to the 5th floor, according to its listings.

About these numbers

Every figure on this page comes from verified market data for 45 W 3rd St, Boston, refreshed November 8, 2026, and updates every morning. “Typical” means the median. Price per square foot uses the living area filed with each listing. Condo fees are monthly. Sales history in our data starts in late 2025.

Cite as: “45 W 3rd St building report,” Boston Real Estate Observer, https://bostonrealestateobserver.com/buildings/boston/45-west-third-st/ (data as of November 8, 2026).

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, landlords 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, leasing or renting 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, leasing or renting. 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.

Figures refresh every morning. This page was last updated November 8, 2026.