Setting Up the Books for Your First Massachusetts Rental

Organised desk with files, calculator and documents for rental property records
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Most first time landlords set up their books in February, which is to say they set them up too late. Rent has been landing in a personal account for eleven months, repair receipts are in a drawer or gone, and the work of reconstructing a year becomes the price of not spending an hour at the start.

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This is a practical setup guide for a Massachusetts rental, in the order the decisions actually need to be made. It assumes one property or a small handful, not a portfolio, and it assumes you are doing this yourself rather than handing it to a management company.

The one thing that is not optional. A security deposit in Massachusetts must be held in a separate, interest bearing account at a bank located in the Commonwealth, and it is not your money. Commingling it with operating funds is one of the violations under M.G.L. c.186 s.15B that carries mandatory treble damages plus attorney fees. Whatever else you decide about bookkeeping, this account exists on its own.

Step one: separate the money before anything else

The most common mistake is not bad record keeping. It is having nothing to keep records of, because rent went into the same account as groceries and no amount of software fixes that after the fact.

You need at minimum two accounts, and arguably three.

An operating account. Rent comes in, mortgage and expenses go out. Nothing personal touches it. This one account does more for your bookkeeping than any software, because it turns your bank statement into a nearly complete record of the business.

A security deposit account. Separate, interest bearing, at a Massachusetts institution. One per tenancy is cleanest if you have several units, because it makes the annual interest calculation obvious rather than an allocation exercise.

A reserve account, if you can. Not required by anything, but the roof will need work eventually and paying for it from personal savings is how the line between you and the business gets blurred again.

Step two: decide what entity actually owns this

If the property is in your own name, your books are simpler and your rental income lands on Schedule E of your personal return. If it sits in an LLC, the accounts should be in the LLC’s name with its own EIN, and mixing the two undermines the liability separation you formed the entity to get.

This is worth settling before you open accounts rather than after, because moving banking between entities later is tedious and creates a gap in the record exactly where an auditor would look.

If you are unsure which structure you have or want, that is a conversation with an accountant rather than something to decide from a blog post. It affects your taxes, your liability and your mortgage, and the right answer depends on facts specific to you.

Banking built for rental property

Baselane is business banking and bookkeeping designed for landlords, with separate accounts you can organise by property or by entity, transactions categorised automatically, and Schedule E ready reporting. No monthly fee to open an account, which makes the separation step above considerably easier to actually do.

Open a Baselane account →

Homzora earns a commission if you open an account through this link, at no cost to you. Confirm that any deposit account you use satisfies the Massachusetts requirements described above.

Step three: know which categories you will need in February

Schedule E has a fixed set of expense lines. Setting your categories to match them at the outset means the year end exercise becomes copying figures rather than reinterpreting a year of transactions.

The lines you will actually use for a typical Massachusetts rental are advertising, insurance, mortgage interest paid to banks, repairs, supplies, taxes, utilities, and depreciation. Cleaning and maintenance, legal and professional fees, and management fees appear too if they apply to you.

Two categories cause most of the trouble.

Repairs against improvements

A repair keeps the property in working order and is generally deductible in the year you pay it. An improvement adds value or extends useful life and is generally capitalised and depreciated over years. Fixing a broken window is a repair. Replacing every window in the building is not.

The line between them is genuinely fuzzy in the middle, and getting it wrong in either direction has consequences. Flag anything substantial for your accountant rather than deciding alone, and keep the invoice detailed enough that someone can tell what was actually done.

Depreciation, which people forget entirely

Residential rental property is depreciated over 27.5 years, and only the building depreciates, not the land. That means you need the land and building split from your purchase, which usually comes from the assessment or an appraisal.

Get this figure recorded in year one. It is far more annoying to reconstruct later, and depreciation is one of the larger deductions available to a rental owner.

Step four: capture receipts as they happen

Bank statements tell you an amount and a merchant. They do not tell you that the four hundred dollars at a hardware store was a water heater part for unit two rather than something for your own kitchen.

The habit that works is photographing a receipt when you get it, not filing it later. Most bookkeeping apps let you attach an image to a transaction, and a shared folder works nearly as well if you are disciplined about naming.

What you want at the end of the year is not just a number but the ability to show what it was for. That matters if you are ever asked, and it matters more if the expense is one of the borderline repair or improvement calls.

Step five: the Massachusetts items your books need to track

These are not federal tax matters, but they belong in the same system because they carry deadlines and money.

  • Deposit interest. Owed annually on deposits held a year or longer, payable within a window after each anniversary. Track the anniversary date, not just the balance.
  • The deposit itself, as a liability. It is not income. If it appears in your books as revenue you will overstate what you earned and you will lose track of what you owe back.
  • Statement of Condition dates. Not a financial figure, but the deadline runs from receipt of the deposit and missing it undermines any later damage claim.
  • Water and sewer, if you bill it. Massachusetts imposes specific conditions on charging tenants separately for water, and the arrangement needs to be documented properly to be enforceable.

What you probably do not need yet

A common failure mode is buying property management software for a single unit and then not using ninety percent of it.

With one or two units, a dedicated bank account and a spreadsheet will genuinely get you to a correct Schedule E. Add rent collection software if chasing payment is a problem you actually have. Before you configure late fees in any of it, read what Massachusetts actually allows in our guide to the thirty day rule on late rent. Add accounting software when the spreadsheet starts taking more than an evening.

The threshold where dedicated accounting earns its subscription is somewhere around five to ten units in most people’s experience, and it arrives sooner if you hold property across multiple entities. Below that, the discipline matters more than the tooling.

A one hour setup, in order

If you own a rental and have not done this, here is the sequence that gets you most of the way in a single sitting.

  • Open a dedicated operating account and redirect rent to it.
  • Confirm your security deposit is held separately at a Massachusetts institution, and note the anniversary date for interest.
  • Write down the land and building split from your purchase so depreciation can be calculated.
  • Set up expense categories matching Schedule E rather than inventing your own.
  • Pick one place for receipts and use it every time, starting today rather than from the next tax year.
  • Put the deposit interest anniversary and the Statement of Condition deadline in a calendar with a reminder.

None of that is difficult. It is simply easier to do at the beginning than to reconstruct at the end, and the version of you preparing next year’s return will be glad it exists.

Written by the Homzora Team · Homzora, Boston housing research

Not tax or legal advice. This page describes general practice and publicly available provisions of Massachusetts law as of 2026. It does not evaluate your circumstances. Tax treatment of rental income, depreciation and the repair against improvement distinction depend on facts specific to you, and should be confirmed with a qualified accountant. For security deposit requirements, see Mass.gov and consult a Massachusetts attorney.

Homzora Realty LLC publishes housing research. It is not a licensed real estate brokerage, a law firm or an accounting firm. This page contains an affiliate link, labelled where it appears.