
23 Centre Ave Belmont — Photo 1 of 38
Recent Drop: $155,000
$2,495,000
Investment Analysis — 23 Centre Ave
Belmont, MA 02478
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 7-bedroom in 02478 carries an estimated $4,420/mo in gross rent — about a 0.26% cap rate and $6,563/yr in estimated NOI at the $2,495,000 list price. Adjust every assumption in the calculator below.
Beds
7
Baths
4.5
SqFt
5,012
Style
Single Family
Built
1861
Antique Colonial & separate Carriage House (1869 sqft) that can be used as a rental, home office, in-law or au pair, sited on over 1/2 acre on Belmont Hill and close to vibrant Belmont Center. The main house has been thoughtfully renovated for modern living while keeping its historic charm. Stunning, sun filled open concept chef's kitchen with island, dining area and living room. Relax in the spacious family room or beautiful custom oak paneled study with coffered ceiling, built ins and wood burning fireplace. A half bath with laundry closet and a fabulous mud room complete the 1st floor. 2nd floor includes a primary en suite, three additional bedrooms, two with bay windows, and full bath. Bonus room on the 3rd floor. The carriage house- formerly a blacksmith shop -with garage space for two cars features three bedrooms, two baths, laundry and open concept kitchen and fireplaced living room with cathedral ceiling and access to a large roof top deck with amazing skyline views.
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 5,012 sq ft principal dwelling). Lot size: 24,189 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.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater
Neighborhood
Public Transportation • Shopping • Pool • Park • Walk/Jog Trails • Golf
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl First10 x 21
Vaulted Ceiling(s), Flooring - Hardwood, Deck - Exterior, Recessed Lighting, Lighting - Pendant
Dining Room
Lvl First14 x 26
Flooring - Hardwood, Window(s) - Bay/Bow/Box, Open Floorplan, Lighting - Pendant
Kitchen
Lvl First14 x 26
Flooring - Hardwood, Countertops - Stone/Granite/Solid, Kitchen Island, Recessed Lighting
Family Room
Lvl First14 x 20
Flooring - Hardwood, Recessed Lighting
Primary Bedroom
Lvl Second14 x 24
Bathroom - Full, Walk-In Closet(s), Flooring - Wood, Balcony - Exterior
Bedroom 2
Lvl Second14 x 16
Bedroom 3
Lvl Second14 x 15
Closet, Flooring - Wood, Window(s) - Bay/Bow/Box
Bedroom 4
Lvl Second14 x 14
Closet, Flooring - Wood
Bathroom 1
Lvl First7 x 9
Bathroom - Half, Dryer Hookup - Gas, Washer Hookup
Bathroom 2
Lvl Second5 x 11
Bathroom - Full, Bathroom - Tiled With Tub & Shower
Bathroom 3
Lvl Second5 x 11
Bathroom - Full, Bathroom - Tiled With Tub & Shower, Skylight
Property History
$2,495,000
Was $2,650,000
Jun 4, 2026
MLS® 73381529
$2,650,000
Was $2,825,000
Oct 1, 2025
MLS® 73381529
$2,495,000
Sep 18, 2025
MLS® 73432922
$2,825,000
May 28, 2025
MLS® 73381529
Listing Agent: Catherine Tahajian
Listing Office: Coldwell Banker Realty - Belmont
MLS® Number: 73381529









