Rental Portfolio Benchmarks — ZIP 01850
Rental portfolio metrics for ZIP 01850, sitting inside Middlesex County, MA. Numbers are drawn from county-level medians (ZIP-level pricing feeds are not publicly available at scale). Data as of 2026-06-29.
Modeled deal at $830,629
20% down, 30-year conventional, expenses at 35% of rent. County-level medians — individual ZIP 01850 listings will trade above or below.
- Cash needed
- $191,045
- down + closing
- Monthly P&I
- $4,354
- 30-yr fixed
- Monthly cash flow
- $-2,228
- negative
- Cap rate
- 3.07%
- NOI / price
ZIP-level scope note
National ZIP-level home price and rent feeds are not publicly available at the coverage this page needs. So the benchmarks above are drawn from Middlesex County, which covers ZIP 01850. In practice a single county will span 5–30 ZIPs; use the county numbers as the starting point and adjust up or down for a specific street once you have a listing in hand.
Track a rental portfolio in ZIP 01850
The Pro Portfolio Tracker rolls up every property you underwrite, revalues it monthly against local county price trends, and flags equity milestones and DSCR risk. Add a property in 01850 and its value tracking will use Middlesex County-level data as the appreciation baseline.