Private mortgage insurance can be one of the differences between a principal-and-interest estimate and the payment a buyer actually receives. It belongs in the financing comparison from the start. The right amount comes from a lender's quote for the borrower, loan and property, not from a town median or a fixed percentage applied to every purchase.
What does private mortgage insurance cover?
For conventional loans, a down payment below twenty percent often leads to a private mortgage insurance requirement. The coverage protects the lender against borrower default; it is separate from homeowners insurance covering the property. Loan programs can have different insurance arrangements, so identify the exact product before making assumptions. Ask whether the charge is monthly, upfront or structured another way, and where it appears in the written payment and closing-cost information.
Consumer Financial Protection Bureau: private mortgage insurance.
How should down-payment alternatives be compared?
The example below isolates the effect of borrowing different amounts at one reference rate. It does not include a mortgage-insurance quote and therefore does not show the complete difference between financing offers. Request written alternatives using the same property, term and other assumptions. Compare cash retained after closing as well as monthly cost. A larger down payment may reduce borrowing but also leave less money for work identified during inspection, so the household needs both sides of the calculation.
Why should program names be checked carefully?
Some programs use different structures or do not require private mortgage insurance for eligible borrowers. ONE Mortgage is one program to investigate through Massachusetts Housing Partnership; MassHousing offers separate financing and assistance products. Confirm current terms directly instead of assuming a general conventional-loan rule applies to every option. Add the property's tax bill, insurance, association charges and maintenance to the financing comparison. The local figures below provide context for costs that remain even when a mortgage-insurance charge is absent.
Massachusetts Housing Partnership: ONE Mortgage requirements.
How does the payment arithmetic work?
This illustration uses a hypothetical purchase price of $300,000 and Freddie Mac's national 30-year fixed average of 6.95% for the week of 2026-09-17.The price and down payments are scenarios, not homes offered for sale or promised loan terms.
Payment Illustrations
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Principal and interest only. Add property tax, insurance, any mortgage insurance, association charges, utilities and maintenance separately.
| Down Payment | Cash Down | Loan | Repayment Term | Monthly Principal + Interest |
|---|---|---|---|---|
| 5% | $15,000 | $285,000 | 30 years | $1,887 |
| 10% | $30,000 | $270,000 | 30 years | $1,787 |
| 20% | $60,000 | $240,000 | 30 years | $1,589 |
What These Columns Mean
- Down Payment
- Illustrative share of the assumed purchase price paid in cash.
- Cash Down
- Assumed price multiplied by the down-payment percentage; closing costs are additional.
- Loan
- Assumed purchase price less the cash down payment.
- Repayment Term
- Assumed fixed-rate amortization period.
- Monthly Principal + Interest
- Calculated fixed-rate payment, rounded to the nearest dollar. Excludes tax, insurance and other ownership expenses.
Cite: RE413. “Payment Illustrations.” Updated September 19, 2026. https://www.re413.com/news/private-mortgage-insurance-western-mass/, underlying sources at https://www.re413.com/sources/.
What does the local record show?
These towns provide local context for the decision in this article. The figures describe the published records and survey periods identified below. Compare the same measures across places, then confirm the details of any actual home before using them in a budget or offer.
Local Figures for This Decision
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Selected municipalities, shown alphabetically. Definitions below distinguish assessments, administrative benchmarks and survey estimates from current market quotes.
| Town | Single-family Assessment | Annual Tax Illustration | Residential Tax Rate |
|---|---|---|---|
| Greenfield | $264,600 | $4,963 | $18.64 |
| Pittsfield | $256,500 | $4,516 | $17.50 |
| Springfield | $267,900 | $4,181 | $15.46 |
What These Columns Mean
- Town
- Municipality; follow its record below for the full data and address check.
- Single-family Assessment
- Median assessed value of single-family parcels. This is a tax-roll statistic, not an asking price, appraisal or median sale price. Assessment years are identified in the sources.
- Annual Tax Illustration
- The published residential rate applied to the town's median single-family assessment, including the recorded community preservation surcharge and its general first-value exemption where adopted. Individual exemptions, special assessments and a future reassessment can change an actual bill.
- Residential Tax Rate
- Dollars per $1,000 of taxable assessed value. The fiscal year is identified below. The rate alone does not include a community preservation surcharge or determine a particular property's bill.
Cite: RE413. “Local Figures for This Decision.” Updated September 19, 2026. https://www.re413.com/news/private-mortgage-insurance-western-mass/, underlying sources at https://www.re413.com/sources/.
Greenfield's town record. Single-family assessment: $264,600. Annual tax illustration: $4,963. Residential tax rate: $18.64.
Pittsfield's town record. Single-family assessment: $256,500. Annual tax illustration: $4,516. Residential tax rate: $17.50.
Springfield's town record. Single-family assessment: $267,900. Annual tax illustration: $4,181. Residential tax rate: $15.46.
What should you check next?
- Identify the exact loan program and obtain a written mortgage-insurance quote or confirmation that none applies.
- Compare down-payment options using complete payments and closing cash, not principal and interest alone.
- Retain funds for documented work and include actual taxes, property insurance and other ownership expenses in the budget.
Keep the address, document date and source alongside each answer. If records disagree, identify which period and property each describes before treating the difference as a change. A missing result leaves a question open; it does not establish that a property has no problem or no cost.
Where can you continue the comparison?
- Comparing down-payment amounts
- Investigating Massachusetts financing programs
- Understanding the full cash requirement
Browse all housing guides by subject.
Open the linked town records for the wider context, including sources and dates. Use the property-specific records to narrow a decision, and keep current quotes separate from the historical figures used to explain it here.
Which official guidance supports this article?
- Consumer Financial Protection Bureau: private mortgage insurance. Guidance checked 2026-09-05; confirm current requirements for your transaction.
- MassHousing: down payment assistance. Guidance checked 2026-09-05; confirm current requirements for your transaction.
- Massachusetts Housing Partnership: ONE Mortgage requirements. Guidance checked 2026-09-05; confirm current requirements for your transaction.
Sources
- MassGIS and municipal assessors. single-family assessment, annual tax illustration. Figures through Greenfield: FY2025; Pittsfield: FY2025; Springfield: FY2026. Checked 2026-08-21.
- Massachusetts Department of Revenue, Division of Local Services. annual tax illustration, residential tax rate. Figures through Greenfield: FY2026; Pittsfield: FY2026; Springfield: FY2026. Checked 2026-08-05.
- Massachusetts Department of Revenue, community preservation records. annual tax illustration. Checked 2026-08-05.
- Freddie Mac, Primary Mortgage Market Survey. National 30-year fixed mortgage rate used for the labelled payment illustration. Figures through 2026-09-17. Checked 2026-09-18.
"Figures through" is the period the publisher's data describes; "checked" is only when we last asked. The full sourcing: sources and method.