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Low water pressure · diagnosed first
Low Water Pressure in Delaware
Town-by-town build-era data for 43 places we route calls in, and what it says about your pipe.

Free to homeowners in Delaware — the contractor pays us for the introduction, you never do.
The short answer
Delaware is covered here across 43 towns whose typical build years average about 1989. Era is the best free clue to what the supply pipe is made of, which in turn decides where weak pressure is worth investigating first.
Source: US Census Bureau, American Community Survey 5-year estimates, table B25035.
- You are never chargedContractors pay us when we route them a call. There is no cost to the homeowner, ever.
- Every figure names its sourceThe numbers on this site come from public data and the page says which, so you can check them.
- We say where we coverCalls are routed by ZIP code to independent contractors.See the coverage
- We say when not to callIf the fix is a few minutes of your own time, this site tells you that instead of selling you a visit.
What this site is
PressureTrace is a referral service, not a plumbing contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We do not perform plumbing work, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.We route Delaware calls in 43 towns. Each page carries that town's typical build year, because it predicts what the supply pipe is made of.
- Wilmington 92,951 homes · typical build 1957
- Newark 52,676 homes · typical build 1977
- Dover 29,140 homes · typical build 1988
- New Castle 23,102 homes · typical build 1971
- Middletown 17,649 homes · typical build 2005
- Bear 16,798 homes · typical build 1995
- Millsboro 15,130 homes · typical build 2002
- Lewes 14,358 homes · typical build 2003
- Seaford 9,927 homes · typical build 1986
- Milford 9,372 homes · typical build 1986
- Smyrna 9,258 homes · typical build 2002
- Rehoboth Beach 7,915 homes · typical build 1995
- Claymont 6,818 homes · typical build 1965
- Georgetown 6,356 homes · typical build 1992
- Hockessin 6,298 homes · typical build 1984
- Milton 6,093 homes · typical build 2004
- Laurel 6,013 homes · typical build 1986
- Felton 5,307 homes · typical build 1994
- Camden Wyoming 5,050 homes · typical build 1997
- Selbyville 4,921 homes · typical build 2003
- Magnolia 4,521 homes · typical build 2004
- Townsend 4,454 homes · typical build 2003
- Harrington 4,172 homes · typical build 1992
- Bridgeville 4,153 homes · typical build 1998
- Ocean View 3,891 homes · typical build 2004
- Frankford 3,785 homes · typical build 2004
- Greenwood 3,229 homes · typical build 1991
- Dagsboro 3,214 homes · typical build 1996
- Clayton 3,160 homes · typical build 1997
- Delmar 2,351 homes · typical build 1991
- Lincoln 2,303 homes · typical build 1998
- Frederica 2,081 homes · typical build 1993
- Hartly 1,700 homes · typical build 1993
- Bethany Beach 1,481 homes · typical build 1989
- Ellendale 1,161 homes · typical build 1994
- Harbeson 795 homes · typical build 2001
- Delaware City 734 homes · typical build 1961
- Marydel 674 homes · typical build 2002
- Houston 648 homes · typical build 1981
- Fenwick Island 315 homes · typical build 1987
- Port Penn 247 homes · typical build 1939 or earlier
- Viola 217 homes · typical build 1985
- Odessa 207 homes · typical build 1952
Source: US Census Bureau, American Community Survey 5-year estimates, 2023 release — tables B25003 (occupied housing units) and B25035 (all housing units, vacant included).
Also covered
Bethel, Cheswold, Dover AFB, Kenton, Kirkwood, Little Creek, Millville, Montchanin, Nassau, Rockland, Saint Georges, Winterthur, Woodside, Yorklyn.
Checking a credential in Delaware
Delaware licenses are issued by the Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, which publishes a public search you can use before work begins.
Where these numbers come from
Every figure on this site is public and attributed. You can go and check any of them.
- HousingUS Census BureauAmerican Community Survey 5-year estimates, table B25035 — the median year a town’s homes were built, which is what predicts the supply pipe.
- PressureGrundfosIts homeowner guide to low water pressure is where the 45–80 psi normal range and the 40 psi threshold come from.
- WagesUS Bureau of Labor StatisticsOccupational Employment and Wage Statistics for plumbers, 47-2152, behind every figure on the cost page.
- PipeworkUS Environmental Protection AgencyThe Lead and Copper Rule Improvements fact sheet, for what a service line inventory does and does not record.
What happens when you call
No form, no quote tool, no waiting for an email.
- You tell us what the water is doingOne short conversation. If it turns out to be something you can fix in five minutes, we will say so.
- We route the call in DelawareWe match your ZIP code to an independent contractor who already covers your area — not a call center three states away.
- They quote, you decideWe do not set prices and we never charge you. The contractor pays us for the introduction.
- 4,387towns with a page of their own
- 38states we route calls in
- $0what a homeowner ever pays us
Still not sure whether it is the whole house or one fixture? That distinction decides who you need and what it costs, and it takes one conversation. We route you to a contractor who covers your ZIP code, you are never charged, and if the answer turns out to be an aerator we will say so. And it need not be pressure — this number takes any plumbing problem.
Call (866) 838-2750