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18 Ash Street, Cambridge MA 02138

Cambridge, MA 02138 • Harvard Square
$7,985,000
Est. $42,500/month
5
Beds
5.5
Baths
5,376
Sq Ft
$1,485
Price/Sq Ft
0.33
Acres
1854
Year Built
Single Family Residence
Type
244
Days on Market
Closed Listed Sep 26, 2025 • MLS# 73290609

About this home

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.

Sale Statistics

Sale Overview
Original List Price: $12,000,000
Final Sale Price: $7,985,000
Difference: $4,015,000 (-33.5%)
Performance Metrics
66.5%
List to Sale Ratio
Sold below asking price
244
Days on Market
Extended listing
Price per Square Foot Analysis
Original $/sq ft: $2,232
Sale $/sq ft: $1,485
This property sold for $1,485 per square foot
Sale Summary

This property sold for 33.5% below the original asking price.

At 244 days on market, this property took longer than average to sell.

Facts & Features

Property Overview

Property Type
Single Family Residence
Property Category
Residential
Year Built
1854
Bedrooms
5
Full Bathrooms
5
Half Bathrooms
1
Living Area
5,376 sq ft
Total Rooms
14

Interior Features

Heating
Baseboard, Radiant, Natural Gas, Hydro Air
Has Heating
Yes
Cooling
Central Air
Has Cooling
Yes
Has Fireplace
Yes
Number of Fireplaces
6
Interior Features
Wet Bar
Basement Details
Full, Partially Finished, Interior Entry, Bulkhead
Accessibility Features
No

Exterior & Structure

Construction Materials
Frame
Architectural Style
Colonial, Antique, Farmhouse
Roof
Shingle
Foundation
Stone, Brick/Mortar
Exterior Features
Porch - Enclosed, Deck - Roof, Patio, Pool - Inground Heated, Greenhouse, Professional Landscaping, Sprinkler System, Fenced Yard, City View(s), Garden
Patio/Porch Features
Porch - Enclosed, Deck - Roof, Patio
Fencing
Fenced/Enclosed, Fenced
Has Spa
No
Pool Features
Pool - Inground Heated
Private Pool
Yes
View
City
Has View
Yes
Waterfront Property
No

Lot & Land

Lot Size
0.33 acres
Lot Size
14,430 sq ft
Lot Size Area
0.3300
Lot Features
Level
Road Surface Type
Paved
Road Frontage Type
Public

Parking & Garage

Garage Spaces
2
Has Garage
Yes
Attached Garage
Yes
Has Carport
No
Parking Features
Detached, Under, Off Street
Covered Parking Spaces
2

Utilities & Systems

Water Source
Public
Sewer
Public Sewer
Security Features
Security System

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
HOA
No
Senior Community
No

Financial & Tax Information

Annual Tax Amount
$53,200
Tax Year
2025
Tax Assessed Value
$8,139,700
Parcel Number
411097
Zoning
res

Additional Details

Year Built Source
Public Records
Year Built Details
Actual,Renovated Since
Attached Property
No
Disclosures
Taxes and assessment represent 18 Ash Street combined with 18R Ash Street. Taxes do not reflect residential exemptions.

Location

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Neighborhood

Harvard Square

18 Ash Street, Cambridge MA 02138

Cambridge, MA 02138

Walkability

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Schools

School information not available

Monthly Payment Calculator

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Estimated Monthly Payment $0

Payment Breakdown

Principal & Interest $0
Property Tax $4,433
Homeowners Insurance $200
PMI $0

Property History

Market Insights

0.2%
Price Range
245
Total Days on Market

Property Timeline

✓
Sold
May 29, 2025
$7,985,000
Property sold
Days on Market: 245
🏠
Listed for Sale
Sep 16, 2024
$8,000,000
Original listing
Agent: Gail Roberts, Ed Feijo & Team Office: Coldwell Banker Realty - Cambridge

Price & Status History

Date Event Price Change
Sep 16, 2024 New Listing Added $8,000,000 —

Market Statistics

Days on Market
244 days
Price per Sq Ft
$1,485

Tax History

Year Taxes Assessment
2025 $53,200 $8,139,700

Financial Details

Annual Property Tax
$53,200
Tax Year 2025
Assessed Value
$8,139,700

Listing Information

Listing Agent Gail Roberts, Ed Feijo & Team
Listing Office Coldwell Banker Realty - Cambridge
Agent MLS ID TM331934
Office MLS ID AN6200

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