Low Water Pressure in Boulder, CO

Outside tap mounted on a house wall, the fixture closest to the incoming supply

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.

Boulder has 54,239 occupied homes across 7 ZIP codes, and the typical one was built in 1978. That year is the most useful single fact for working out why the water pressure is weak, because it predicts what the supply pipe is made of.

Boulder sits 12 years older than the CO median of 1990. Of the 93 CO towns we route calls in, its housing is older than 83% of them, and by number of homes it ranks 8th.

What 1978 tells you about the pipe in Boulder

Housing of this vintage generally means copper as the usual supply material, so corrosion narrowing the pipe is far less likely. In houses of this era a whole-house pressure drop points at the pressure-reducing valve, the main shut-off, or the supply side of the meter rather than at the pipe itself. More on 1970s supply pipe.

53% of occupied homes in Boulder are owner-occupied, 28 points below the CO figure of 81%. It matters here because the run between the meter and the house belongs to the property owner, not the utility.

Median household income across Boulder ZIP codes is $92,974, 10% below the CO median of $103,819.

Before calling anyone in Boulder, check whether every tap is weak or just one. Normal supply is 45–80 psi and under 40 psi is low — how to test it in a minute. Whole house is a supply problem worth a call; one tap is usually a five-minute job you can do yourself.

Build year and occupied homes by ZIP code in Boulder

ZIP	Typical build year	Occupied homes
80301	1985	12,198
80302	1974	12,443
80303	1978	11,496
80304	1979	11,179
80305	1970	6,923

Nearby towns we cover

Parker typical build 2001 · 23 years newer
Sedalia typical build 1982 · 4 years newer
Strasburg typical build 2002 · 24 years newer
Watkins typical build 2002 · 24 years newer
Denver typical build 1972 · 6 years older
Thornton typical build 1995 · 17 years newer

Worth reading for a 1978-era home

ZIP codes we route in Boulder

80301
80302
80303
80304
80305
80309
80310

Low water pressure help near me in Boulder

Give us your Boulder ZIP code and what is happening. We check it against partner coverage and connect you with an independent contractor covering that area. We do not do the work and you are never charged.

Call (866) 838-2750