A truly extraordinary opportunity to acquire a distinct, tastefully renovated & discreet oasis hidden in Harvard Square. This magical property sits on 2 parcels of verdant land which have been beautifully landscaped with a pool, koi pond and gardens. Lavish amenities throughout the home include custom millwork & stonework, a dumbwaiter, catering area, 28' family room, 6 fireplaces, offices, radiant heat, 2-car garage with electric car charging, and much more.. The resort-like primary suite showcases 2 walk-in closets, separate bathrooms connected by a marble double-steam shower, and bifold doors to the 30' deck with a descending spiral staircase. The meticulously maintained & artfully landscaped grounds boast a flourishing greenhouse, koi pond, heated pool, cabanas, and patios.
Sold for $7,985,000
$7,985,000
18 Ash St, Cambridge, MA 02138
5beds
5,376sqft
Single Family Residence
Built in 1854
0.33 Acres Lot
$8,239,800 Zestimate®
$1,485/sqft
$43,739 Estimated rent
Home value
$8,239,800
$7.50M - $9.06M
$43,739/mo
Zestimate® history
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$43,739/mo
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$49,473/mo
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Est. payment
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List your homeWhat's special
Heated poolMarble double-steam showerFlourishing greenhouseFamily roomCatering areaWalk-in closetsResort-like primary suite
Zillow last checked:
Listing updated:
Listed by:
Gail Roberts, Ed Feijo & Team 617-844-2712,
Coldwell Banker Realty - Cambridge 617-864-4430
Bought with:
The Petrowsky Jones Group
Compass
Source: MLS PIN,MLS#: 73290609
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Primary bathroom
- Features: Yes
Heating
- Baseboard, Radiant, Natural Gas, Hydro Air
Cooling
- Central Air
Features
- Wet Bar
- Basement: Full,Partially Finished,Interior Entry,Bulkhead
- Number of fireplaces: 6
Interior area
- Total structure area: 5,376
- Total interior livable area: 5,376 sqft
- Finished area above ground: 5,124
- Finished area below ground: 252
Property
Parking
- Total spaces: 2
- Parking features: Detached, Under, Off Street
- Attached garage spaces: 2
Accessibility
- Accessibility features: No
Features
- Patio & porch: Porch - Enclosed, Deck - Roof, Patio
- Exterior features: Porch - Enclosed, Deck - Roof, Patio, Pool - Inground Heated, Greenhouse, Professional Landscaping, Sprinkler System, Fenced Yard, City View(s), Garden
- Has private pool: Yes
- Pool features: Pool - Inground Heated
- Fencing: Fenced/Enclosed,Fenced
- Has view: Yes
- View description: City
Lot
- Size: 0.33 Acres
- Features: Level
Details
- Additional structures: Greenhouse
- Parcel number: 411097
- Zoning: res
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial,Antique,Farmhouse
- Property subtype: Single Family Residence
Materials
- Frame
- Foundation: Stone, Brick/Mortar
- Roof: Shingle
Condition
- Year built: 1854
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University
- Security: Security System
HOA
- Has HOA: No
Location
- Region: Cambridge
Financial & listing details
- Price per square foot: $1,485/sqft
- Tax assessed value: $8,139,700
- Annual tax amount: $53,199
- Date on market: 5/26/2025
- Road surface type: Paved
Price history
| Date | Event | Price |
|---|---|---|
| 5/29/2025 | Sold | $7,985,000-0.2%$1,485/sqft |
Source: MLS PIN #73290609 Report a problem | ||
| 5/7/2025 | Price change | $8,000,000-23.8%$1,488/sqft |
Source: MLS PIN #73290609 Report a problem | ||
| 2/13/2025 | Price change | $10,500,000-12.5%$1,953/sqft |
Source: MLS PIN #73290609 Report a problem | ||
| 9/16/2024 | Listed for sale | $12,000,000-11.1%$2,232/sqft |
Source: MLS PIN #73290609 Report a problem | ||
| 7/15/2024 | Listing removed | $13,500,000$2,511/sqft |
Source: MLS PIN #73222522 Report a problem | ||
| 4/10/2024 | Listed for sale | $13,500,000+751.7%$2,511/sqft |
Source: MLS PIN #73222522 Report a problem | ||
| 9/7/2001 | Sold | $1,585,000$295/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $50,162 +49.1% | $7,899,600 +39% |
| 2024 | $33,641 -5.6% | $5,682,600 -6.5% |
| 2023 | $35,625 +10.3% | $6,079,400 +11.4% |
| 2022 | $32,294 +6.6% | $5,455,000 +5.4% |
| 2021 | $30,283 +6.6% | $5,176,600 +4.8% |
| 2020 | $28,404 +6.9% | $4,939,900 +10.5% |
| 2019 | $26,565 -2.6% | $4,472,300 +3.2% |
| 2018 | $27,267 +0.9% | $4,334,900 +4.1% |
| 2017 | $27,031 +3.2% | $4,165,000 +11.2% |
| 2016 | $26,185 -1% | $3,746,100 +10.7% |
| 2015 | $26,461 -2.3% | $3,383,700 +4.7% |
| 2014 | $27,083 +3.5% | $3,231,900 +6.9% |
| 2013 | $26,175 +2.3% | $3,022,500 +0.2% |
| 2012 | $25,590 +5.8% | $3,017,700 +1.8% |
| 2011 | $24,184 +6% | $2,963,700 +0.3% |
| 2010 | $22,810 +2.3% | $2,954,600 +0.2% |
| 2009 | $22,292 +3.5% | $2,948,700 +0.7% |
| 2008 | $21,542 -0.3% | $2,926,900 +1.3% |
| 2007 | $21,610 -0.5% | $2,889,100 -1.9% |
| 2006 | $21,729 +4.2% | $2,944,300 +9.9% |
| 2005 | $20,848 +8.5% | $2,679,700 +6.4% |
| 2004 | $19,221 +49.6% | $2,519,100 +42.3% |
| 2003 | $12,851 +2.6% | $1,770,100 +2% |
| 2002 | $12,530 +23.6% | $1,735,440 +65% |
| 2000 | $10,137 | $1,051,600 +10% |
| 1999 | -- | $956,000 |
Find assessor info on the county website
Neighborhood: West Cambridge
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Nearby schools
GreatSchools rating
- 9/10Maria L. Baldwin SchoolGrades: PK-5Distance: 0.7 mi
- 7/10Putnam Avenue Upper SchoolGrades: 6-8Distance: 0.8 mi
- 8/10Cambridge Rindge and Latin SchoolGrades: 9-12Distance: 0.6 mi
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Estimated market value
$8,239,800
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Estimated market value
$8,239,800
