Massachusetts · FIPS 25017
Middlesex County property records
The Middlesex County file lists 499,690 properties as of the October 2026 edition, with columns for the owner, mailing address, estimated value, open loans and tax bill. Subscribe to this county alone, or as one of 5 in a bundle.
- Property records
- 499,690
- Rank in Massachusetts
- 1st of 14
- Share of state records
- 21%
- Data as of
- Oct 2026
- FIPS code
- 25017
What the Middlesex County file includes
499,690 rows, one per property, delivered as a CSV with these columns.
The parcel
- Situs address and ZIP
- Assessor parcel number (APN)
- County FIPS code
- Land use and property type
- Bedrooms, bathrooms, units
- Building and lot square feet
- Year built
The owner
- Owner name and second owner
- Mailing street, city, state, ZIP
- Owner-occupied or absentee
- Corporate owner flag
- Years owned and purchase date
The money
- Estimated value and equity
- Equity percent and loan-to-value
- Open liens and balance
- First lender and loan amount
- Assessed and market totals
- Tax amount and tax year
- Last sale date and price
The signals
- High equity
- Free and clear
- Pre-foreclosure
- Tax delinquent
- Vacant
Phone numbers and emails aren’t part of county files. Add them with skip tracing on Acquired Data.
Middlesex County, MA: questions and figures
- How many property records are there for Middlesex County, Massachusetts?
- The October 2026 edition lists 499,690 properties in Middlesex County, one row each.
- How does Middlesex County compare with other Massachusetts counties?
- It ranks 1st of 14 Massachusetts counties by record count and accounts for about 21% of the state's 2.4M records.
- What does the Middlesex County file cost?
- $19 a month on its own, or bundle it with four other counties for $49 a month. Prices are launch proposals and are confirmed at checkout.
- What is the FIPS code for Middlesex County, Massachusetts?
- 25017. Every row in the file carries it, which makes the data easy to join with census and other government datasets.
- How current is the Middlesex County data?
- This page reflects the October 2026 edition. The national dataset is refreshed monthly and subscribers get each new edition of the county file.
Check one address first
Search a street address in Middlesex County with its city or ZIP. Building details are open to all; a free account adds the owner and financial columns.
For example: · · ·