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The short answer
A Massachusetts condo mortgage has three cost layers beyond principal and interest: HOA dues, the condo association's master insurance policy (which you partly fund through dues), and your own HO-6 "walls-in" policy. Lenders count the full HOA payment in your debt-to-income ratio, so a condo with $600/month dues needs meaningfully more income to qualify than a single-family home at the same price. Before you fall in love with a unit, verify the association's budget, reserves, master policy coverage, and any pending special assessments — lenders can and do deny loans over weak condo project finances.
The three cost layers
1. HOA dues. Monthly dues cover common-area maintenance, the master insurance policy, reserves, and building operations. In Greater Boston, dues commonly run a few hundred to over $1,000/month depending on building age, amenities, and services. Dues count in full toward your DTI — unlike property taxes and insurance, there's no partial credit.
2. Master insurance policy. The association carries a master policy covering the building structure and common areas. You fund it through your dues, but you should still review it: lenders verify the master policy meets Fannie Mae/Freddie Mac requirements (adequate replacement-cost coverage, proper deductibles). A lapsed or underinsured master policy can kill your loan approval.
3. Your HO-6 policy. The master policy typically covers the building shell and common areas — not your unit's interior, belongings, or liability. You need an HO-6 "walls-in" condo policy, which is generally cheaper than a single-family HO-3 policy because the structure coverage is smaller. Your lender will require proof of the HO-6 before closing.
What lenders check about the condo project
| Review item | Why it matters |
|---|---|
| Master insurance coverage | Must meet agency requirements or the loan can't be sold |
| Reserve levels | Underfunded reserves signal future special assessments |
| Owner-occupancy ratio | Too many investor-owned units can make the project ineligible |
| Pending litigation | Lawsuits against the association are a red flag for lenders |
| Special assessments | A pending assessment raises your true monthly cost |
| HOA budget and delinquencies | High delinquency rates threaten the association's finances |
Ask your lender for their condo project questionnaire early — if the association is slow to return it, your closing timeline is at risk.
Comparing two condos (illustrative)
Same $450,000 price, 10% down, 30-year fixed, as of October 2026:
| Cost | Condo A: $350/mo dues | Condo B: $750/mo dues |
|---|---|---|
| Principal & interest | $2,494 | $2,494 |
| PMI (est.) | $169 | $169 |
| HO-6 insurance (est.) | $45 | $45 |
| HOA dues | $350 | $750 |
| Total monthly | $3,058 | $3,458 |
The $400/month dues gap equals $4,800/year — roughly the payment difference of a $75,000 price gap on the mortgage itself. Always compare total monthly cost, not just price or rate.
Common mistakes
- Ignoring dues in affordability math. Online calculators often default dues to zero. Add the real figure — it's the biggest condo-specific cost and it hits your DTI in full.
- Not reading the master policy. If the master policy is bare-bones, your HO-6 has to cover more (higher premium) — and the lender may still object.
- Missing pending special assessments. A $15,000 assessment for a roof replacement, split across units, can land right after you close. Review meeting minutes and the reserve study.
- Assuming all condos are warrantable. Non-warrantable projects (too many investors, litigation, commercial space over limits) face higher rates or denials — ask your lender before you offer.
Methodology and limitations
Condo project eligibility rules follow Fannie Mae and Freddie Mac seller guidelines; specific thresholds (owner-occupancy, reserve, and commercial-space limits) change periodically — verify current requirements with your lender. HOA dues ranges and the illustrative comparison use rounded Greater Boston figures as of October 2026, not measured market data. Massachusetts condo law (M.G.L. c. 183A) governs association operations; consult the association's documents and, for legal questions, a Massachusetts real estate attorney.
Reviewed by the LoanMate.ai editorial team.
Primary sources
- Fannie Mae: condo project eligibility and insurance requirements
- Freddie Mac: condominium project review guidelines
- MassHousing: Massachusetts homebuyer program guidance
- Consumer Financial Protection Bureau (CFPB): "What is a Loan Estimate?"
Next action
Browse today's published Massachusetts mortgage rates → to see the market range, then compare your Loan Estimates side by side → when you have offers in hand.