21 Beacon St #3K · Boston

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For sale

FOR SALE · MLS #73509451

$409,900

beds: Studio
baths: 1
sqft: 262

21 Beacon St #3K

Boston, MA 02108

LOCATION

Property location

Directions

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21 Beacon St #3K, Boston, MA 02108Open Street View

Up Beacon Street, 1 block from the State House

Home type: Condominium
Interior living area: 262 sqft
Year built: 1899
Lot size: 262 sqft (about 0.01 acres)
Parking spaces: 0
Price per sqft: $1,565/sqft
HOA fee: $275 · Monthly

About this home

Experience effortless Boston living in the distinguished Bellevue Building, located in the coveted Beacon Hill neighborhood. This stylish studio is the perfect starter home, city getaway, or smart investment, surrounded by the city’s best—Boston Common, top universities, downtown offices, cultural landmarks, and public transit are all within steps. Residents enjoy a shared roof deck with skyline views, while inside you’ll find a bright, open layout with tall ceilings, gleaming hardwoods, and oversized windows that create an airy, modern feel. The space features a sleek bathroom, ample storage, and a well-appointed kitchenette with granite counters and stainless appliances. With a full-time concierge, pet-friendly policy, and low condo fee that includes heat and hot water, this residence delivers both comfort and value. Historic character meets contemporary convenience in one of Boston’s most desirable addresses.

Listed by Enrique Arias · Team Zingales Realty, LLC
MLS PIN #73509451 · Updated 9/10/2026, 12:46:00 PM ET

Building & association

Building name: Twenty One Beacon Condominium
Total units: 163
Building stories: 1
Entry level: 3
HOA fee includes: Heat · Water · Sewer · Insurance · Security · Maintenance Structure
Association amenities: Hot Water · Laundry · Elevator(s)
Pets allowed: Yes w/ Restrictions

From MLS fields in this listing. Confirm association rules and fees with the association documents.

Facts & features

Home overview

Property subtype: Condominium
Property category: Residential
MLS status: Active
Building name: Twenty One Beacon Condominium
Bedrooms: 0
Full bathrooms: 1
Half bathrooms: 0
Total bathrooms: 1
Total rooms: 2
Living area: 262 sqft
Living area source: Public Record
Above grade finished area: 262 sqft
Building area: 262
Building area units: Square Feet
Building area source: Public Records
Area includes basement: No
Stories: 1
Building stories: 1
Entry level: 3
Entry location: Unit Placement(Upper)
Unit building: 3K

Interior & systems

Heating: Central · Steam
Heating available: Yes
Cooling: Window Unit(s)
Cooling available: Yes
Appliances: Dishwasher · Refrigerator · Cooktop
Flooring: Laminate
Interior features: Internet Available - Broadband
Basement: N
Fireplace: No
Fireplaces: 0
Security features: Concierge

Price & tax details

Current asking price$409,900

Original asking price$419,900

Listed on2026-04-29

Days on market133

Tax record supplied by MLS
Year	Property tax	Assessed value
2025	$4,171	$360,200

These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.

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Results include principal and interest, plus property tax and HOA when MLS lists them; home and mortgage insurance and utilities are excluded. Tax uses the amount in this listing; a buyer’s actual tax may differ with reassessment or residential exemptions. The rate is your assumption, not a current market quote or loan offer.

SCHOOLS & EDUCATION

Schools & performance

2026 MA DESE

School names, grades and state-reported measures are listed below.

This listing does not name individual schools. Public school information below is context, not an attendance assignment for this address.

Nearby public schools

Sorted by straight-line distance within the city. These are not attendance boundaries or a guarantee of enrollment.

24DESE percentile