176 properties in Allston (02134) pay more in taxes
than their closest neighbors.

10 of them pay much more — the top-ranked outliers by a composite anomaly model trained across 9 peer strata spanning 3,995 viable parcels.

176
Total Leads
10
Top Outliers
9
Peer Strata
3,995
Viable Parcels
These 176 properties are flagged because they pay more tax per square foot than their 15 most similar neighbors — controlling for size, age, condition, bedrooms, baths, and building type. The top 10 outliers are the strongest abatement candidates against the City of Boston.

Anomaly Heatmap — Every Parcel Scored 0–100

Blue = paying less than peers · White = about the same · Red = paying much more · Hover for parcel details

Data sources: City of Boston ArcGIS (properties_boston_gov), Boston Plans zoning, CKAN building permits. Analysis: Gower distance + k-NN (k=15) per land-use stratum · Composite anomaly score.