Don’t let a paid-off mortgage fool you into believing your home equity is safe. Rising property costs are becoming a real threat.
The Downsizer’s Dilemma
If you have lived in your home for 10, 20, or 30+ years, the thought of moving is likely the last thing you want to do. This is particularly true if your mortgage is paid off, or if you currently hold a ridiculously low interest rate.
However, staying put simply to protect that low rate—or because you have no mortgage at all—is not always the best financial decision. Instead, you need to think strategically about how rising property costs impact your bottom line.
The “Free House” Myth
Congratulations! You paid off your home mortgage. That's a huge achievement. However, you still have to pay property taxes—FOREVER.
And don’t forget the ongoing and rising costs of home insurance, municipal water, seasonal landscaping, snow clearance, and structural upkeep. Collectively, these costs can slowly erode the savings you targeted for travel, family, and retirement years.
Illustrative Estimate of Change in Annual Home Costs: FY2022 vs. FY2026
| Cost Category | FY2022 / Baseline Estimate | FY2026 / Current Estimate | Approx. Increase | Source / Methodology |
|---|---|---|---|---|
| Property Taxes1 | $14,285 | $17,808 | +$3,523 / +24.7% | Actual Town of Wellesley median single-family tax bill |
| Water / Sewer2 | $1,306 | $1,525 | +$219 / +16.8% | MWRA Advisory Board / Wellesley water and sewer rate context |
| Home Insurance3 | $2,550 | $4,150 | +$1,600 / +62.7% | Illustrative estimate adjusted for higher-value property exposure |
| Maintenance / Repairs4 | $6,115 | $8,755 | +$2,640 / +43.2% | Estimated at 0.5% of Town of Wellesley median single-family assessed value |
| Electricity / Utilities5 | $1,974 | $2,500 | +$526 / +26.6% | BLS Boston-area electricity and utility cost trends |
| Estimated Annual Carrying Cost6 | $26,230 | $34,738 | +$8,508 / +32.4% | Illustrative total |
Footnotes & Sources
- Property taxes are actual Town of Wellesley median single-family tax bill figures for FY2022 and FY2026. The Town of Wellesley FY2026 Tax Classification Report shows median single-family assessed values of $1,223,000 for FY2022 and $1,751,000 for FY2026. Source: Town of Wellesley, FY2026 Tax Classification Report.
- Water/sewer estimates are based on MWRA Advisory Board data and Wellesley water/sewer rate context. Sources: MWRA Advisory Board, 2025 Rate Survey and Town of Wellesley FY2026 Water/Sewer Rate Notice.
- Home insurance estimates are illustrative and adjusted to reflect higher-value property exposure using the Town of Wellesley median single-family assessed values as the baseline. Actual premiums vary significantly by property, replacement cost, coverage level, deductible, claims history, roof age, and insurer. Source: Bankrate, Average Cost of Homeowners Insurance in Massachusetts.
- Maintenance/repair estimates are illustrative and calculated as 0.5% of the Town of Wellesley median single-family assessed values for FY2022 and FY2026. This conservative planning benchmark is intended to reflect average recurring upkeep and repair reserves over time. Actual costs vary significantly by year—some years may be much lower, while years with major repairs or deferred maintenance may be much higher. The estimate excludes discretionary renovations and major capital improvements. Source: Town of Wellesley, FY2026 Tax Classification Report.
- Electricity/utility estimates are based on Boston-area utility and electricity cost trends. Actual costs vary by usage, home size, systems, efficiency, and fuel type. Source: U.S. Bureau of Labor Statistics, Average Energy Prices: Boston-Cambridge-Newton.
- This table is intended as an illustrative estimate of how annual homeownership costs can change over time. Property taxes are actual Town of Wellesley median single-family tax bill figures. Maintenance is calculated as 0.5% of the Town of Wellesley median single-family assessed values of $1,223,000 in FY2022 and $1,751,000 in FY2026. Home insurance is adjusted to reflect higher-value property exposure. Water/sewer and electricity/utilities are based on regional and local cost benchmarks. This is not a precise estimate for every Wellesley homeowner.
Want to explore different living options?
VIEW OUR DOWNSIZING GUIDEHow to think about capital gains
Folks, if you are facing a capital gains tax on the sale of your home, it simply means your investment did really well. Most people view that as a “high-class problem.”
Part of our service involves helping clients identify relevant home improvements. Homeowners should consult with a qualified tax advisor to maximize the cost basis of their home and reduce the tax liability.
Why Your Taxable Gain Might Be Lower Than You Think
Most homeowners look at their original purchase price and assume the difference between then and now is entirely taxable. But your actual gain is generally calculated using your adjusted cost basis.
That figure may include certain major capital improvements you have made over the years, such as:
- Structural additions and major kitchen or bath renovations
- Roof replacements and HVAC upgrades
- Significant landscape improvements
The Verdict
Your mortgage is only one line item on your personal balance sheet.
Having a sub-3% mortgage rate or a paid-off deed is a huge financial advantage, but it should not lock you into a property that no longer fits your lifestyle.
If rising property costs are quietly draining your monthly savings and cash flow, it may be time to reconsider whether your current home still serves your needs.
Ready to see the real math? Team Coyle can help you estimate your home’s current market value, calculate your likely net proceeds, and evaluate the financial tradeoffs of staying, selling, or rightsizing.