4 Washington Ave APT 18, Cambridge, MA, 02140
About This Home
Perched atop one of Avon Hill's most admired brick courtyard buildings, this sun-filled penthouse corner residence combines classic Cambridge character with thoughtful updates and skyline views. South-facing and filled with natural light, the home features hardwood floors, tall ceilings, oversized windows, and a wood-burning fireplace. The renovated kitchen offers granite countertops, custom cabinetry, under-cabinet lighting, stainless steel appliances, and subway tile backsplash, while the updated bath includes a soaking tub and contemporary finishes. Enjoy sweeping city views from the shared roof deck, plus the convenience of laundry facilities, bike storage, professional management, and heat and hot water included in the condo fee. Recent association improvements include major plumbing infrastructure upgrades serving Unit 18, replacement of the building boiler, and replacement of hot water systems. Ideally located near Harvard & Porter Sq, the Red Line, restaurants, shops, & parks.
Getting Around
Walker's Paradise
Excellent Transit
Biker's ParadiseSchools
Construction
Condition
- Year built: 1880
Materials
- Roof: Rubber
- Construction materials: Brick
Type & Style
- Home type: Condo
- Property subType: Condominium
Interior
Appliances
- Appliances included: Dishwasher,Refrigerator,Range Hood
- Laundry features: Common Area
Bathroom1
- Level: Fourth Floor
Bedrooms & Bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
Features
- Flooring: Wood,Hardwood
- Number of fireplaces: 1
- Fireplace: Yes
- Finished area above ground: 607
- Common walls with other units/homes: No One Above,Corner
Heating & Cooling
- Heating features: Baseboard
- Cooling features: Window Unit(s)
Interior Area
- Total structure area: 607
- Total interior livable area: 607 sqft
Kitchen
- Level: Fourth Floor
Living Room
- Level: Fourth Floor
Master Bedroom
- Level: Fourth Floor
Property
Details
- Parcel number: M:00211 L:0003304/18,415172
- Zoning: C2
Features
- Patio & porch: Deck - Roof
- Exterior features: Deck - Roof,City View(s),Professional Landscaping
- Has view: Yes
- View description: City
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
- 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 | $3,261 | $39,132 |
| Home Insurance * | $108 | $1,296 |
| Property Taxes | $338 | $4,056 |
| Electricity | $354 | $4,259 |
| Total | $4,061 | $48,732 |
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 |
|---|---|---|
| 2026-07-22 | Price change | $645,000 |
| 2026-06-11 | Listed for sale | $685,000 |
| 2025-08-23 | Listing removed | $3,200 |
| 2025-07-20 | Listed for rent | $3,200 |
| 2023-07-07 | Listing removed | -- |
| 2023-07-06 | Price change | $3,100 |
| 2023-07-02 | Listed for rent | $2,900 |
| 2019-08-14 | Listing removed | $2,700 |
| 2019-07-31 | Listed for rent | $2,700 |
| 2019-07-30 | Sold | $620,000 |
| 2019-07-21 | Pending sale | $649,900 |
| 2019-07-16 | Price change | $649,900 |
| 2019-05-08 | Listed for sale | $675,000 |
| 2015-12-11 | Sold | $490,000 |
| 2010-03-01 | Sold | $330,000 |
| 1987-03-27 | Sold | $100,000 |
For Sale by Agent
View on Zillow