Southwick housing searches often place a high value on space, but space only helps when the property's layout, access and services support the intended use. The town's housing and parcel figures can frame that search. They cannot establish whether an outbuilding is permitted, whether a road is maintained publicly or whether a larger lot will be manageable for your household.
What should acreage change in your viewing plan?
Spend time outside the house as well as inside it. Follow the driveway, look for drainage paths and identify the parts of the parcel that can actually be reached and maintained. A median lot figure is a measure of recorded acreage, not a promise of usable land. If outdoor storage, animals, a workshop or a new structure is important, describe that use to the relevant municipal office and seek a property-specific answer before relying on it in the purchase decision.
How do service arrangements affect the budget?
Check the individual property's water and wastewater systems instead of assuming the town's infrastructure serves it. A sewer entry in the public record does not identify every connected house. Private systems bring inspection, maintenance and replacement questions that differ from ordinary utility billing. Ask for documentation of the existing arrangement and a clear explanation of equipment the owner maintains. The comparison should include these obligations even when the seller has had few recent expenses.
What makes an Agawam or Westfield comparison useful?
Choose properties with similar building area, condition and usable space, then compare actual bills and travel demands. The town medians below describe different housing stocks, so their difference does not price an identical property across the town line. Include snow removal, tree work and equipment storage where relevant. If a larger parcel is the reason to move, make sure the household also wants the work that comes with it. The complete routine is more informative than acreage alone.
Massachusetts Department of Revenue: determining property values.
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
Download CSV, same columns, same definitions
Selected municipalities, shown alphabetically. Definitions below distinguish assessments, administrative benchmarks and survey estimates from current market quotes.
| Town | Single-family Assessment | Annual Tax Illustration | Median Lot Acres | Sewer Recorded |
|---|---|---|---|---|
| Agawam | $342,300 | $4,875 | 0.39 | Recorded |
| Southwick | $342,800 | $5,048 | 0.92 | Recorded |
| Westfield | $321,800 | $4,838 | 0.5 | Recorded |
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.
- Median Lot Acres
- Median recorded single-family parcel acreage. Lot area is not a measure of buildable, dry or accessible land and does not establish a surveyed boundary.
- Sewer Recorded
- Whether a sewer system is recorded for the municipality. Town-level presence does not establish street coverage, a private connection, available capacity or connection cost.
Cite: RE413. “Local Figures for This Decision.” Updated September 19, 2026. https://www.re413.com/news/living-in-southwick-ma/, underlying sources at https://www.re413.com/sources/.
Agawam's town record. Single-family assessment: $342,300. Annual tax illustration: $4,875. Median lot acres: 0.39. Sewer recorded: Recorded.
Southwick's town record. Single-family assessment: $342,800. Annual tax illustration: $5,048. Median lot acres: 0.92. Sewer recorded: Recorded.
Westfield's town record. Single-family assessment: $321,800. Annual tax illustration: $4,838. Median lot acres: 0.5. Sewer recorded: Recorded.
How has the published average tax bill changed?
This is the Department of Revenue's published average single-family tax-bill series in nominal dollars. It is a different measure from the current median-assessment illustration above. Changes can reflect the tax levy, assessed values and the housing stock; this is not a forecast of the bill for a home you buy.
Published Average Single-Family Tax Bill
$6,187Fiscal 2026; Southwick
What should you check next?
- Locate the outdoor activities you intend to use the property for and confirm any necessary approvals.
- Request service, inspection and maintenance records for the actual water and wastewater systems.
- Compare similar properties in Southwick, Agawam and Westfield using current bills and realistic grounds-maintenance responsibilities.
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?
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?
- Massachusetts Department of Revenue: determining property values. Guidance checked 2026-09-05; confirm current requirements for your transaction.
Sources
- MassGIS and municipal assessors. single-family assessment, annual tax illustration, median lot acres. Figures through Agawam: FY2026; Southwick: FY2025; Westfield: FY2025. Checked 2026-08-21.
- Massachusetts Department of Revenue, Division of Local Services. annual tax illustration. Figures through Agawam: FY2026; Southwick: FY2026; Westfield: FY2026. Checked 2026-08-05.
- Massachusetts Department of Revenue, community preservation records. annual tax illustration. Checked 2026-08-05.
- Massachusetts Department of Environmental Protection, public sewer systems. sewer recorded. Checked 2026-09-07.
- Massachusetts Department of Revenue, historical average single-family tax bills. Published annual mean bills in the chart; nominal dollars, with only common reporting years in a two-town comparison. Figures through FY2010–FY2026. Checked 2026-08-05.
"Figures through" is the period the publisher's data describes; "checked" is only when we last asked. The full sourcing: sources and method.