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Investment signal

$949,900

30 BROOK STREET

Save this home

Beds

6

Baths

5

Sqft

Year

Type

Multi-family

Suite

Suite potential

Location nearby

Nearby school, halal, mosque, grocery, park, and transit layers are still being built for Cambridge. The listing facts above are live; the neighborhood-intelligence layer needs POI coverage before it can score this address properly.

About this home

30 Brook St, Cambridge -Unique Opportunity 5-Plex Investment Welcome to 30 Brook St in Cambridge, a solid five-unit residential investment property located in a strong rental area close to downtown amenities, transit, shopping, and major commuter routes. This well-maintained multi-unit building offers investors a stable income property with key mechanical updates already completed. The property consists of five self-contained residential units, providing diversified rental income and consistent tenant demand. Rent is Unit 1 - Lease - $1450/Unit 2 - Month to month - $1328/Unit 3 - Vacant - $1669/Unit 4 - Lease - $1400/Unit 5 - Lease - $1200. A high-efficiency boiler system was installed in 2016, and the property also features a new owned hot water heater installed in 2024, reducing near-term capital expenditure for the next owner. Tenants are responsible for their own hydro, helping keep operating expenses manageable while maintaining strong rental appeal. The building's layout and location make it attractive for long-term tenants seeking proximity to downtown Cambridge, parks, public transit, and local services. With solid fundamentals, important infrastructure upgrades already in place, and reliable tenant demand in the Cambridge rental market, 30 Brook St presents an excellent opportunity for investors looking to add a stable multi-unit asset to their portfolio. (id:65958)

Subtype
Multi-family
Structure
Other
Lot dimensions
110 x 83.6 FT
Bedrooms
6 above grade
Parking
6 total
Stories
2
On market
Mar 6, 2026
Status changed
Apr 27, 2026
Annual tax
$6,180
Zoning
R4
Photos
50
MLS#
X12854528
Area
CAMBRIDGE

Features and systems

Parking

No Garage

Basement

UnfinishedN/A

Appliances

WasherRefrigeratorDishwasherStoveDryer

Heating

Forced airNatural gas

Cooling

None

Exterior

Brick

Foundation

Stone
Negative cash flow ~$1,041/mo at these assumptions

Cash on cash

-6.57%

Cap rate

3.55%

GRM

16.7

Break-even rent

$5,845

Financing

Down payment$189,980
Loan amount$759,920
Mortgage$3,850/mo

Operating expenses (monthly)

Property tax(est. 0.55%/yr (AB avg))$435
Insurance$80
Maintenance$792
CapEx reserve$396
Vacancy loss$238

Estimates only. Actual cash flow depends on financing terms, condition reports, current market rents, property tax assessment, condo fees, and tenant quality. Defaults: 4.5% rate, 30-year amortization, 5% vacancy, 1%/yr maintenance, 0.5%/yr CapEx reserve, $80/mo insurance. Property tax estimated at 0.55%/yr where not provided. Talk to a mortgage broker before relying on these numbers.

Mortgage estimate

Estimated $3,850/mo at 4.5% with 20% down, 30-yr amortization.Estimate only — actual payment varies by qualification + insurance.

Listing brokerage

Listing brokerage on file

Listing data via CREA DDF®. Information is deemed reliable but not guaranteed accurate by CREA. Last updated Apr 27, 2026.

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