




100 Beacon St Unit 6, Boston, MA, 02116
About This Home
100 Beacon promises luxurious city living in the heart of Boston’s prestigious Back Bay neighborhood steps from the Charles River Esplanade and the Public Garden. Residence Six is a beautifully maintained home filled with natural light offering over 4,000 SQFT of living space with commanding views of the Charles River, the Public Garden, and the Boston skyline. The spacious floor plan effortlessly incorporates gracious entertaining rooms including formal living and dining rooms separated by an elegant double-sided gas fireplace, a gourmet eat-in kitchen, handsome wood paneled library, den/media room and wet bar. The primary suite with its corner exposure overlooks the Public Garden and features twin dressing rooms and a sumptuous six-piece limestone bath. 3 additional bedrooms all have en-suite baths. With direct elevator access, 24-hour concierge and valet garage parking for 2 cars, this residence combines sophisticated surroundings with the quintessential ease of Back Bay living.
Getting Around
Schools
Construction
Condition
- Year built: 1925
Type & Style
- Home type: Condo
- Property subType: Condominium
Interior
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Heating
- Heating features: Electric
Interior Area
- Total structure area: 4,140
- Total interior livable area: 4,140 sqft
Kitchen
- Features: F
Property
Details
- Parcel number: CBOSW05P02566S024
Parking
- Total spaces: 2
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Heat Wave
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters Across Massachusetts Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $30,288 | $363,456 |
| Home Insurance * | $1,073 | $12,876 |
| Property Taxes | $5,739 | $68,868 |
| Electricity | $816 | $9,796 |
| Total | $37,916 | $454,992 |
Income You'd Need if You Spent...
Massachusetts FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-22 | Price change | $5,990,000 |
| 2026-01-05 | Listed for sale | $6,490,000 |
| 2025-10-15 | Listing removed | $6,995,000 |
| 2025-04-28 | Listed for sale | $6,995,000 |
| 2024-11-19 | Listing removed | $7,400,000 |
| 2024-07-17 | Price change | $6,995,000 |
| 2023-10-27 | Listed for sale | $7,400,000 |
| 2023-04-03 | Listing removed | $8,900,000 |
| 2022-11-03 | Price change | $8,900,000 |
| 2022-09-13 | Listed for sale | $9,690,000 |
| 2022-09-02 | Listing removed | $10,500,000 |
| 2022-03-16 | Listed for sale | $10,500,000 |
| 2011-07-01 | Sold | $5,050,000 |
| 2011-05-25 | Listed for sale | $5,575,000 |
