11 Derby Street Waltham — Photo 1 of 29
Recent Drop: $50,000
$799,000
Investment Analysis — 11 Derby Street
Waltham, MA 02453
Based on HUD Small Area Fair Market Rent for Boston-Cambridge-Quincy, MA-NH HUD Metro FMR Area, a 2-unit multi-family in 02453 carries an estimated $5,160/mo in gross rent — about a 4.88% cap rate and $39,026/yr in estimated NOI at the $799,000 list price. Adjust every assumption in the calculator below.
Beds
2
Baths
2
SqFt
1,901
Style
Multi Family
Built
1900
Builder and investor opportunity in Waltham's desirable South Side! Offered as an income-producing investment property, currently two large 1-bedroom units with expansion potential. Located in an RB zoning district with Old Lot Opinion flexibility, allowing for a 1647 sq ft buildable footprint and reduced side-yard setback requirements per town guidelines. Two-family structure in place with strong potential for redevelopment, condo conversion, or expansion including a possible accessory dwelling unit (ADU), subject to municipal approvals. Inquire about seller finance option. Buyer to perform all due diligence.
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 MLS and other third-party data may be inaccurate or out of date.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
Neighborhood
Public Transportation • Shopping • Park • Medical Facility • Laundromat • Highway Access
Geography
Property History
$1,795
Sep 8, 2026
MLS® 73573392
$799,000
Was $829,000
Mar 24, 2026
MLS® 73459250
$829,000
Was $849,000
Jan 21, 2026
MLS® 73459250
$849,000
Dec 3, 2025
MLS® 73459250
Listing Agent: Lisa Lyons
Listing Office: Coldwell Banker Realty - Waltham
MLS® Number: 73459250