One-of-a-kind bi-level penthouse in the Sierra building at the highly sought-after “Sierra + Tango” complex in Cambridge Crossing. This sun-drenched corner unit boasts southeast-facing, double-height floor-to-ceiling windows with sweeping views. The open-concept layout flows effortlessly through the kitchen, dining, and living areas, creating an ideal space. The main level includes a spacious bedroom with walk-in closet and en-suite bathroom, a large walk-in coat/storage closet, and a convenient half bath for guests. A stunning floating glass staircase leads to a mezzanine-style loft, perfect as an office, lounge, or flex space, complete with its own full bath and walk-in closet. Upstairs, the primary suite features built-in wardrobes, en-suite bathroom, and breathtaking views. This is the only bi-level unit in the building offering 2 bedrooms, 2 full bathrooms, and 2 half baths - truly a rare opportunity. If you're looking to live like royalty, this is your castle in the sky!
Sold for $1,670,000
$1,670,000
1 Earhart St Unit 705, Cambridge, MA 02141
2beds
1,700sqft
Condominium
Built in 2006
-- sqft lot
$1,679,800 Zestimate®
$982/sqft
$6,382 Estimated rent
Home value
$1,679,800
$1.56M - $1.81M
$6,382/mo
Zestimate® history
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List your homeWhat's special
Mezzanine-style loftBi-level unitOpen-concept layoutEn-suite bathroomBreathtaking viewsSweeping viewsCorner unit
Zillow last checked:
Listing updated:
Listed by:
Waypoint Realty Group 339-234-0747,
Coldwell Banker Realty - Boston 617-242-0025
Bought with:
Andrew Junas
Redfin Corp.
Source: MLS PIN,MLS#: 73446762
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 4
- Full bathrooms: 2
- 1/2 bathrooms: 2
Primary bathroom
- Features: Yes
Heating
- Central, Heat Pump
Cooling
- Central Air, Heat Pump
Appliances
- Included: Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer
- Laundry: In Unit, Electric Dryer Hookup
Features
- Flooring: Tile, Vinyl, Laminate, Wood Laminate, Engineered Hardwood
- Basement: None
- Has fireplace: No
- Common walls with other units/homes: No One Above,End Unit,Corner
Interior area
- Total structure area: 1,700
- Total interior livable area: 1,700 sqft
- Finished area above ground: 1,700
Property
Parking
- Total spaces: 2
- Parking features: Attached, Under, Garage Door Opener, Heated Garage, Deeded, Assigned, Common, Off Street, Guest, Exclusive Parking
- Attached garage spaces: 1
- Uncovered spaces: 1
Features
- Exterior features: Garden, Professional Landscaping, Sprinkler System, Stone Wall
Details
- Parcel number: 4745489
- Zoning: C-1
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
- Attached to another structure: Yes
Materials
- Frame, Post & Beam
Condition
- Year built: 2006
Utilities & green energy
- Electric: Circuit Breakers, Other (See Remarks)
- Sewer: Public Sewer
- Water: Public
- Utilities for property: for Electric Range, for Electric Oven, for Electric Dryer
Community & HOA
Community
- Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University, Other
- Security: Intercom, Security Guard, Concierge
HOA
- Amenities included: Hot Water, Elevator(s), Trail(s), Storage
- Services included: Water, Sewer, Insurance, Security, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Reserve Funds
- HOA fee: $1,653 monthly
Location
- Region: Cambridge
Financial & listing details
- Price per square foot: $982/sqft
- Tax assessed value: $1,543,100
- Annual tax amount: $9,799
- Date on market: 12/1/2025
Price history
| Date | Event | Price |
|---|---|---|
| 1/16/2026 | Sold | $1,670,000-1.7%$982/sqft |
Source: MLS PIN #73446762 Report a problem | ||
| 12/4/2025 | Contingent | $1,699,000$999/sqft |
Source: MLS PIN #73446762 Report a problem | ||
| 10/22/2025 | Listed for sale | $1,699,000+359.2%$999/sqft |
Source: MLS PIN #73446762 Report a problem | ||
| 7/23/2012 | Sold | $370,000-35%$218/sqft |
Source: Public Record Report a problem | ||
| 7/24/2008 | Sold | $569,000$335/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $9,799 +11% | $1,543,100 +3.4% |
| 2024 | $8,831 +6.4% | $1,491,700 +5.3% |
| 2023 | $8,298 +0.6% | $1,416,100 +1.6% |
| 2022 | $8,250 -3% | $1,393,500 -4.2% |
| 2021 | $8,509 +7.1% | $1,454,500 +5.3% |
| 2020 | $7,945 +1.4% | $1,381,800 +4.7% |
| 2019 | $7,836 +1.7% | $1,319,200 +7.7% |
| 2018 | $7,702 +4.1% | $1,224,500 +7.4% |
| 2017 | $7,402 +5.4% | $1,140,500 +13.5% |
| 2016 | $7,023 +88.3% | $1,004,700 +110.6% |
| 2015 | $3,730 -4.1% | $477,000 +2.8% |
| 2014 | $3,888 0% | $464,000 +3.3% |
| 2013 | $3,889 +3.1% | $449,100 +1% |
| 2012 | $3,772 +3.9% | $444,800 |
| 2011 | $3,630 -2.9% | $444,800 -8.1% |
| 2010 | $3,738 | $484,200 |
Find assessor info on the county website
Neighborhood: East Cambridge
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Nearby schools
GreatSchools rating
- 5/10Kennedy-Longfellow SchoolGrades: PK-5Distance: 0.6 mi
- 8/10Vassal Lane Upper SchoolGrades: 6-8Distance: 0.6 mi
- 8/10Cambridge Rindge and Latin SchoolGrades: 9-12Distance: 1.9 mi
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Estimated market value
$1,679,800
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Estimated market value
$1,679,800
- Massachusetts
- Middlesex County
- Cambridge
- 02141
- East Cambridge
- 1 Earhart St Unit 705
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