HomeOhioLorain CountyLorain

Lorain, Ohio

Inside Lorain's city limits, a shallow water table limits basements on 71% of mapped land, higher than 55% of Ohio cities. Shrink-swell clay limits houses without basements on 5%.

That water-table share is below Lorain County's 91%. FEMA's flood data list 21 flood losses since 2016 in the 3 ZIP codes overlapping the city. Of its 30,624 homes, 80% were built before 1980; the median dates from 1961.

Data as of November 3, 2026 · sources · in Lorain County

5%

expansive clay: shrink-swell limits slab homes

71%

high water table: limits basements

21

flood losses since 2016 in 3 overlapping ZIPs

80%

of homes built before 1980

Basement waterproofing in Lorain

Basement waterproofing in Lorain: a shallow water table limits basements on 71% of Lorain's mapped land, more than in 55% of Ohio cities, and the 3 ZIP codes overlapping Lorain logged 21 FEMA flood losses since 2016.

The city lists a permit for the work.

In Lorain County, 65% of the 60 flood-loss buildings with a recorded foundation type had basements.

About 21,100 of Lorain's 30,624 homes are detached houses.

City permit Lorain has a permit application for foundation repair, replacement and waterproofing. (City of Lorain, Department of Building, Housing and Planning, read October 2, 2026)
Contractor registrationContractors working in the city must be registered, licensed and bonded. (City of Lorain, Department of Building, Housing and Planning)
PricesCost guide ranges compared

Soil under Lorain city limits

Expansive clay (limits slab homes)5.3%
High water table (limits basements)71.0%
Septic fields very limited72.1%
Clay swell (LEP, by area)4.0%
High-swell land (LEP 6%+)5.3%
Urban land, not rated16.0%
Mapped soil15,380 acres
Soil seriesShare hereSeries nationally: high water table
Mahoning20%100%
Allis17%n/a
Miner7%n/a
Fulton5%n/a
Ellsworth3%99%
Haskins3%n/a
Lorain CountyLorain
Lorain city limits inside Lorain County, shaded by the city's high water table share.under 10%10-25%25-40%40-60%60%+

How we count

What the numbers mean here

On 71% of Lorain's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.

USDA rates 72% of the land very limited for septic absorption fields.

Lorain covers 23.6 square miles of land and counts 30,624 housing units, about 1,297 per square mile.

57% of Lorain's occupied homes are owner-occupied, and the median owner-occupied home is valued at $139,200; 11% of all homes in the city date from 2000 or later.

The largest soil series under Lorain is Mahoning, on 20% of the mapped land, followed by Allis at 17%.

Clay swell, measured as linear extensibility, averages 4.0% across Lorain's 15,380 mapped acres.

Drought in Lorain County

0% of Lorain County is in drought (D1 or worse) on the November 3, 2026 map. County detail.

November 11, 2025Share of area in drought, weeklyNovember 3, 2026

Flood losses by ZIP code

FEMA flood records since 2016 in the ZIP codes that overlap Lorain. ZIP areas reach past city limits.

ZIPShare of city landFlood lossesPaid
4405342%8$407,351
4405239%3$12,931
4405518%10$78,332

Homes in Lorain

Housing units30,624
Median year built1961
Built before 198080%
Built 2000 or later11%
Owner-occupied57%
Median value, owner-occupied$139,200
Single-family detached69%

Nearby cities

PlaceDistanceExpansive clayHigh water table
Amherst 4 mi 5% 74%
Sheffield 5 mi 8% 89%
Sheffield Lake 5 mi 1% 77%
Elyria 6 mi 8% 72%
South Amherst 7 mi 7% 82%
Vermilion 7 mi 4% 85%
North Ridgeville 9 mi 5% 87%
Avon 9 mi 11% 85%

Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (November 3, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status