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Fenway, Boston · Condominium Association

421-423 Marlborough Street Condominiums

A 18-unit condominium community in Fenway, Boston.

Median Sale
$3k
Price / Sq Ft
$449
Avg Days on Mkt
47 days
Sold
5
HOA Range
$326–527/mo
Total Units
18

Market figures reflect closed sales over the last 12 months. Data sourced from MLS PIN.

Homes for Sale in 421-423 Marlborough Street

No units are currently listed in 421-423 Marlborough Street. Inventory here moves quickly — join the off-market list below to hear first when one comes up, or explore these similar nearby communities that have availability:

Overview

421-423 Marlborough Street is an 18-unit condominium building in Boston's Fenway neighborhood, offering a rare ownership opportunity on one of Back Bay's most desirable streets. The elevator building features two-bedroom, one-bathroom units with consistent architectural character and modern updates. Recent sales activity shows a median price of $473,000 with units averaging $766 per square foot and spending approximately 56 days on market.

Amenities & Features

  • Bay window views of MIT, Charles River, and Copley skyline from living rooms
  • Elevator building access throughout
  • High ceilings with crown molding and ornate fireplaces in select units
  • Hardwood wood floors and beautiful wood molding throughout
  • Recently renovated units available
  • South-facing orientations offering abundant natural light
  • In-unit washer/dryer in select units
  • Updated kitchens with granite countertops and stainless steel appliances in newer renovations
  • Breakfast bars in select units

Unit Types & Layouts

All units in the building are configured as two-bedroom, one-bathroom condominiums. The floor plans are spacious and thoughtfully laid out, with each unit featuring a large, open living room anchored by a bay window—the signature architectural element of the building. Bedrooms are similarly sized and generous, and units consistently feature high ceilings and hardwood flooring. The recent renovations showcase modern kitchen upgrades while preserving the building's period details.

Living at 421-423 Marlborough Street

Marlborough Street itself represents a prime Back Bay address, placing residents within walking distance of the "T," shopping, and medical facilities. The Charles River and Cambridge views from multiple units connect residents to Boston's natural landscape and iconic skyline vistas. The building's proximity to these transportation and commercial amenities makes it an accessible location within one of the city's most established neighborhoods. Monthly HOA fees average $526.57, covering building operations and maintenance of the common elevator system and shared building infrastructure.

Recent Sales

Sold Aug 2026439 Marlborough
$2,350
439 Marlborough #32
0 bd · 1 ba · 400 sqft · 18 days
Sold Apr 2026447 Marlborough St
$2,600
447 Marlborough St #2
1 bd · 1 ba · 402 sqft · 10 days
Sold Dec 2025439 Marlborough
$2,400
439 Marlborough #32
0 bd · 1 ba · 400 sqft · 78 days
Sold Nov 2025437 Marlborough Street
$655,000
437 Marlborough Street #21
1 bd · 1 ba · 516 sqft · 24 days
Sold Nov 2025421 Marlborough St
$660,000
421 Marlborough St #4
2 bd · 1 ba · 690 sqft · 107 days
Sold Jul 2013421 Marlborough St
$489,000
421 Marlborough St #8
2 bd · 1 ba · 690 sqft · 53 days

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About Your 421-423 Marlborough Street Expert

JR

Justin Rollo

421-423 Marlborough Street Condominium Specialist · Signal Real Estate

Justin Rollo is a Massachusetts real estate expert with over a decade of experience and hundreds of South Shore transactions. He tracks every sale, pending, and price movement inside 421-423 Marlborough Street — so whether you're buying into the community or thinking about selling, you're working with someone who knows this specific association inside and out.

Ask Justin about 421-423 Marlborough Street →

Frequently Asked Questions

How much are condos at 421-423 Marlborough Street selling for?

Over recent sales, units at 421-423 Marlborough Street sold at a median of $473,000, about $766 per square foot.

What are the HOA / condo fees at 421-423 Marlborough Street?

Monthly condo fees at 421-423 Marlborough Street currently range from roughly $526.57 to $526.57, depending on unit size and what the association's master policy covers.

How many units are in 421-423 Marlborough Street?

421-423 Marlborough Street is a 18-unit condominium association in Boston, MA.

How fast do condos sell at 421-423 Marlborough Street?

Recent sales at 421-423 Marlborough Street averaged about 56 days on market, with 4 closings in the period.