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2 Days on market
23 Prospect St Marlborough — Photo 1 of 42

23 Prospect St Marlborough — Photo 1 of 42

$899,900

Investment Analysis — 23 Prospect St

Marlborough, MA 01752

Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 7-bedroom in 01752 carries an estimated $3,390/mo in gross rent — about a 2.66% cap rate and $23,896/yr in estimated NOI at the $899,900 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

7

Baths

2.5

SqFt

3,250

Style

Single Family

Built

1890

Get ready to fall head over heels for a Victorian that refuses to be boring. The James McDonald House is a magnificent 1890 Queen Anne showstopper with serious curb appeal, zero stuffiness, and completely solid bones. Spanning over 3,000 square feet, this place flexes some major architectural muscle, starting with an incredible, sprawling mahogany porch made for lazy afternoons, sunset drinks, and waving at friendly neighbors. Add in sweeping bay windows, Tuscan columns, and a classic Palladian window, and you have an exterior that always dresses to impress.Inside, the vibes just keep getting better. You are greeted by a jaw-dropping foyer, a swoon-worthy staircase, and a stained-glass window that looks like it belongs in a royal estate. Soaring ceilings, gleaming hardwood floors, and historic character give you all the grandeur without any of the stuffy museum rules. While it retains its timeless 19th-century charm, this home has been aggressively brought into the modern era with updated electrical, a new roof, and updated heating system. The kitchen features sleek, durable quartz countertops that make meal prep look effortless, flowing perfectly into a classic butler's pantry—giving you the ultimate staging area for dinner parties or just a premium spot to stash your espresso machine.With up to 7 versatile bedrooms and 3 bathrooms, there is plenty of room for guests, hobbies, or an expanding wardrobe. The entire third floor acts as your ultimate private hideaway, complete with a walk-in closet and a bonus nook that makes an incredible home office. Step outside and discover a hidden secret garden right in the middle of the city that feels like your own private wonderland. Complete with winding paths, a romantic rose temple, and plenty of leafy nooks to escape your to-do list, it is a total outdoor oasis. Perched high enough to catch great southwest views overlooking the historic Walker building lawns, this home proves you really can have historic majesty, modern quartz luxury, and a whole lot of fun at the same time. Conviently located near routes 20,85,90,290 and 495!

ADU Potential

Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 3,250 sq ft principal dwelling). Lot size: 11,049 sq ft.

Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.

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.

Open Houses

Property Details

Financials

Original Price$899,900
Annual Taxes$7,021

Parking

Garage0
Off-Street4

Interior Specifications

Total Rooms11
Fireplaces1
FlooringTile, Carpet, Hardwood, Flooring - Hardwood
BasementUnfinished

Climate & Utilities

HeatingSteam, Natural Gas, Ductless
CoolingNone, Ductless
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionFrame
RoofShingle
FoundationStone, Brick/Mortar
Zoning.

Property & Lot

Acres0.25
SqFt Lot11,049
Lot FeaturesEasements, Level

Amenities & Appliances

Gas Water Heater • Range • Dishwasher • Disposal • Refrigerator • Washer • Dryer

Neighborhood

Public Transportation • Shopping • Highway Access • Public School

Geography

Floorplan Breakdown

Structural Layout

Third
Bedroom 4Bedroom 5Bathroom 3
Second
Family RoomPrimary BedroomBedroom 2Bedroom 3Bathroom 2
First
Living RoomDining RoomKitchenBathroom 1
Living Room
Lvl First

Flooring - Hardwood, Lighting - Overhead

Dining Room
Lvl First

Flooring - Hardwood, Lighting - Overhead

Kitchen
Lvl First

Flooring - Hardwood, Dining Area, Pantry, Countertops - Stone/Granite/Solid, Countertops - Upgraded, Breakfast Bar / Nook, Recessed Lighting, Stainless Steel Appliances, Gas Stove

Family Room
Lvl Second

Closet, Flooring - Hardwood, Lighting - Overhead

Primary Bedroom
Lvl Second

Bathroom - Full, Walk-In Closet(s), Closet, Flooring - Hardwood, Dressing Room, Lighting - Overhead

Bedroom 2
Lvl Second
Bedroom 3
Lvl Second

Closet, Flooring - Hardwood, Recessed Lighting, Lighting - Overhead

Bedroom 4
Lvl Third

Bathroom - Full, Closet, Flooring - Wall to Wall Carpet

Bedroom 5
Lvl Third

Walk-In Closet(s), Closet, Flooring - Hardwood, Lighting - Overhead

Bathroom 1
Lvl First

Bathroom - Half, Flooring - Hardwood

Bathroom 2
Lvl Second

Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Stone/Ceramic Tile

Bathroom 3
Lvl Third

Bathroom - Full, Bathroom - With Tub & Shower, Flooring - Stone/Ceramic Tile

Listing Provided By

Listing Agent: Adam Sinewitz

Listing Office: 29 Realty Group, Inc.

MLS® Number: 73581522