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4 Washington Ave #18 Cambridge — Photo 1 of 16

4 Washington Ave #18 Cambridge — Photo 1 of 16

Recent Drop: $40,000

$685,000
$645,000

$645,000

Investment Analysis — 4 Washington Ave #18

Cambridge, MA 02140

Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 1-bedroom in 02140 carries an estimated $3,070/mo in gross rent — about a 2.85% cap rate and $18,366/yr in estimated NOI at the $645,000 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

1

Baths

1

SqFt

607

Style

Condominium

Built

1880

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.

Estimates — not financial advice

These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.

Property Details

Financials

Original Price$685,000
Annual Taxes$4,125
HOA Fee$458.93

Parking

Garage0
Off-Street0

Interior Specifications

Total Rooms3
Fireplaces1
FlooringWood, Hardwood
BasementN

Climate & Utilities

HeatingBaseboard
CoolingWindow Unit(s)
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionBrick
RoofRubber
Foundation--
ZoningC2

Property & Lot

Acres--
SqFt Lot--
Lot Features--

Amenities & Appliances

Dishwasher • Refrigerator • Range Hood

Neighborhood

Public Transportation • Shopping • Park • Private School • Public School • T-Station

Geography

Floorplan Breakdown

Structural Layout

Fourth Floor
Living RoomKitchenPrimary BedroomBathroom 1
Living Room
Lvl Fourth Floor
Kitchen
Lvl Fourth Floor
Primary Bedroom
Lvl Fourth Floor
Bathroom 1
Lvl Fourth Floor

Property History

Price Drop
$645,000

Was $685,000

Jul 22, 2026

MLS® 73534554

Listed
$685,000

Jun 11, 2026

MLS® 73534554

Expired
$3,200

Sep 30, 2025

MLS® 73394168

Listed
$3,200

Jun 19, 2025

MLS® 73394168

Expired
$1,700

Dec 7, 2006

MLS® 70453194

Listed
$1,700

Sep 7, 2006

MLS® 70453194

Listing Provided By

Listing Agent: Evelyn Jones Yamauchi

Listing Office: Coldwell Banker Realty - Cambridge

MLS® Number: 73534554