Monmouth County, NJ Shrink-Swell Risk

Shrink-swell potential in Monmouth County, NJ

Low

Soil across 88.2% of Monmouth County, NJ comes back "Low" in USDA's shrink-swell data, averaging 1.61% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Monmouth County, NJ - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Monmouth County: the real numbers

Monmouth County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

How Monmouth County, NJ compares

Among the 3,085 rated counties on this site, Monmouth County, NJ ranks 2,370 most-constrained nationally, and 6 of 21 within New Jersey. Monmouth County covers 468 square miles and counts 647,520 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Harrison County, MO and Phelps County, MO are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in New Jersey

Every county in New Jersey is on this site, including Cumberland County, NJ and Sussex County, NJ. The full underlying dataset is downloadable directly, one row per county.