How much do condos cost at 320 Middlesex Ave?

In the past 12 months, 10 condos sold at 320 Middlesex Ave (320 Middlesex Ave, Medford) for a typical $847,500, or $631 per square foot. Sales ranged from $619,000 to $910,000.

How fast do condos sell at 320 Middlesex Ave?

Units that sold in the past 12 months took a typical 44 days to get an accepted offer, and 0% sold for their first asking price or more. In Wellington overall, it took 36 days.

What are the condo fees at 320 Middlesex Ave?

The typical monthly condo fee at 320 Middlesex Ave is $598, about $0.45 per square foot a month, based on the fees filed with its listings.

How many condos are for sale at 320 Middlesex Ave right now?

4 units are for sale, asking from $516,900 to $839,000.

What does it cost to rent at 320 Middlesex Ave?

9 units rented in the past 12 months, for a typical $3,600 a month. 1 bedroom: $3,100; 2 bedrooms: $3,700.

When was 320 Middlesex Ave built, and how many units does it have?

320 Middlesex Ave was built in 2023 and has 200 units, with homes up to the 4th floor, according to its listings.

Building report · Wellington, Medford

320 Middlesex Ave

Medford, MA 02155

10 condos sold at 320 Middlesex Ave in the past 12 months, for a typical $848K, or $631 a square foot. That's 21% more per square foot than the typical condo in Wellington. Right now, 4 are for sale and 1 is for rent.

2023 built
200 units
4 floors with homes
#34 in Greater Boston by condo sales

Unit D307, for sale at $839,000. Listed by Yangyang Zhou, Coldwell Banker Realty - Newton. MLS #73595145.

$848K: typical sale price, past 12 months
$631: per square foot
44 days: typical time to an accepted offer
0%: sold for asking or more
4: for sale now
$598: typical monthly condo fee

320 Middlesex Ave sells for 21% more per square foot than Wellington

Condo sales in the past 12 months: this building against all 18 condo sales in Wellington.

Wellington 320 Middlesex Ave

Price per sq ft ($)521631 +21%
Days to an accepted offer3644 +22%

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

Show the numbers

	320 Middlesex Ave	Wellington
Typical price per sq ft	$631	$521
Typical days to an accepted offer	44	36
Sold for asking or more	0%	28%

For sale now4 units, 2.0% of the building

$839,000
Unit D307, floor 3
2 bed · 2 bath · 1,452 sq ft
$578/sq ft · 14 days listed · $640/mo fee
Active · Condo · MLS #73595145
320 Middlesex Ave #D307, Medford, MA
Listed by Yangyang Zhou, Coldwell Banker Realty - Newton
$819,000
Unit D202, floor 2
2 bed · 2 bath · 1,319 sq ft
$621/sq ft · 40 days listed · $630/mo fee
Active · Condo · MLS #73584815
320 Middlesex Ave #D202, Medford, MA
Listed by Ning Sun, United Real Estate, LLC
$625,000Cut $34K
Unit A203, floor 2
1 bed · 1 bath · 929 sq ft
$673/sq ft · 89 days listed · $420/mo fee
Active · Condo · MLS #73562767
320 Middlesex Ave #A203, Medford, MA
Listed by Ana Riffel, eXp Realty LLC
$516,900
Unit E 104, floor 1
1 bed · 1 bath · 684 sq ft
$756/sq ft · 3 days listed · $370/mo fee
Active · Condo · MLS #73599857
320 MIDDLESEX AVENUE #E 104, Medford, MA
Listed by Nancy Ciampa McLaughlin, Redfin Corp.
Virtual tour

Under agreement3 units

$849,900Cut $50K
Unit A402, floor 4
2 bed · 2 bath · 1,416 sq ft
$600/sq ft · 61 days listed · $640/mo fee
Under agreement · Condo · MLS #73574422
320 Middlesex Ave #A402, Medford, MA
Listed by The Linder-Simao Sales Solutions Team, Prestige Property Solutions, Inc.
$789,900Cut $110K
Unit B406, floor 4
2 bed · 2 bath · 1,204 sq ft
$656/sq ft · 117 days listed · $630/mo fee
Under agreement · Condo · MLS #73550385
320 MIDDLESEX AVENUE #B406, Medford, MA
Listed by Nancy Ciampa McLaughlin, Redfin Corp.
$634,900
Unit F406, floor 4
1 bed · 1 bath · 790 sq ft
$804/sq ft · 61 days listed · $410/mo fee
Under agreement · Condo · MLS #73573877
320 Middlesex Ave #F406, Medford, MA
Listed by Yifei Wang, Dreamega International Realty LLC

For rent now1 unit

$3,200/mo
Unit E404, floor 4
1 bed · 1 bath · 790 sq ft
3 days listed
For rent · Condo rental · MLS #73599572
320 middlesex ave #E404, Medford, MA
Listed by Heejeong Joo, Coldwell Banker Realty - Lexington

Price per square foot at 320 Middlesex Ave, quarter by quarter

Typical sale price per square foot, every sale in our data since 2025 Q4.

$ per sq ft 594 (2026 Q3)

Wellington typical, past 12 months: $521. Source: Verified market data; analysis by the Observer Markets Desk.

Show the numbers

Quarter	Typical $/sq ft	Sales
2025 Q4	$751	2
2026 Q1	$657	3
2026 Q2	$707	3
2026 Q3	$594	3

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	$650K (3)	$3,100 (4)	5.7%
2 bedrooms	$855K (7)	$3,700 (5)	5.2%

What soldPast 12 months, newest first

Closed	Unit	Size	Price	$/sq ft	vs. first ask
Oct 6	Unit B209MLS #73503404 · Redfin Corp.	2 bed, 1,474 sq ft	$870,000	$590	−5.9%
Sep 14	Unit D107MLS #73551314 · Leading Edge Real Estate	2 bed, 1,455 sq ft	$810,000	$557	−4.7%
Sep 3	Unit E307MLS #73549836 · Compass	2 bed, 1,432 sq ft	$850,000	$594	−1.7%
Aug 19	Unit D103MLS #73520036 · Block Realty	1 bed, 1,055 sq ft	$650,000	$616	−5.1%
Jun 18	Unit F408MLS #73509123 · Redfin Corp.	2 bed, 1,288 sq ft	$910,000	$707	−1.1%
May 11	Unit A207MLS #73476508 · Keller Williams Realty	2 bed, 1,466 sq ft	$855,000	$583	−3.4%
May 4	Unit 403 EMLS #73495169 · BA Property & Lifestyle Advisors	1 bed, 925 sq ft	$672,500	$727	−1.1%
Mar 27	Unit A208MLS #73450038 · William Raveis R.E. & Home Services	2 bed, 1,302 sq ft	$855,000	$657	−6.0%
Mar 20	Unit B110MLS #73476432 · Kava Realty Group, Inc.	2 bed, 1,307 sq ft	$845,000	$647	−2.3%
Feb 6	Unit A406MLS #73438064 · Coldwell Banker Realty - Lexington	1 bed, 833 sq ft	$619,000	$743	−1.7%

Where it isWith nearby buildings we track

Questions people ask

How much do condos cost at 320 Middlesex Ave?: In the past 12 months, 10 condos sold at 320 Middlesex Ave (320 Middlesex Ave, Medford) for a typical $847,500, or $631 per square foot. Sales ranged from $619,000 to $910,000.
How fast do condos sell at 320 Middlesex Ave?: Units that sold in the past 12 months took a typical 44 days to get an accepted offer, and 0% sold for their first asking price or more. In Wellington overall, it took 36 days.
What are the condo fees at 320 Middlesex Ave?: The typical monthly condo fee at 320 Middlesex Ave is $598, about $0.45 per square foot a month, based on the fees filed with its listings.
How many condos are for sale at 320 Middlesex Ave right now?: 4 units are for sale, asking from $516,900 to $839,000.
What does it cost to rent at 320 Middlesex Ave?: 9 units rented in the past 12 months, for a typical $3,600 a month. 1 bedroom: $3,100; 2 bedrooms: $3,700.
When was 320 Middlesex Ave built, and how many units does it have?: 320 Middlesex Ave was built in 2023 and has 200 units, with homes up to the 4th floor, according to its listings.

About these numbers

Every figure on this page comes from verified market data for 320 Middlesex Ave, Medford, 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: “320 Middlesex Ave building report,” Boston Real Estate Observer, https://bostonrealestateobserver.com/buildings/medford/320-middlesex-ave/ (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.