ZIP code · Peoria
85345 leak detection and repair, Peoria
What the Census says about the housing in 85345, and what it means for a hidden leak.
85345 covers part of Peoria, where the typical home was built in 1988. Everything else here follows from that date, because copper, with CPVC and early PEX appearing towards the end is what went into houses of that age and it fails in its own particular way.
85345 is mid-table for age in our coverage, and mid-table usually means mixed.

| What the housing in 85345 is | Figure |
|---|---|
| Median year housing was built | 1988 |
| Built before 1980 | 24 percent |
| Build era | Late-1980s through 1990s |
| Built since 2000 | 23 percent |
| Likely supply material | copper, with CPVC and early PEX appearing towards the end |
| Largest decade of building | 1980s (32 percent) |
| What tends to fail first | Mixed-material houses are the awkward ones: the failure point is often the transition fitting between two materials rather than either run itself. |
| Owner-occupied households | 65 percent |
| What we listen for | A leak signal alongside a mechanical one, because a joint between two materials moves as well as leaks |
| Single-family detached homes | 62 percent |
| Land area | about 13 square miles |
Housing figures: U.S. Census Bureau, American Community Survey 5-year estimates (2023), for ZIP Code Tabulation Area 85345. Town coverage: U.S. Census Bureau, 2020 ZCTA-to-Place relationship file.
Does 85345 have one kind of plumbing or several?
No — 85345 was built in layers, with four decades each holding at least a tenth of its homes. Few ZIP codes in the metro are built out over that long.
Mixed-vintage ground is the awkward kind. Where a house was part repiped, the joint between materials is the weak point.
Each 85345 address gets read on its own. We test more here and guess less.
85345 is newer than 85351 next door. Does that make a leak less likely?
Not really, no. 85345 dates from 1988 against 1972 in 85351 in Sun City, about 3 miles away. Newer pipe does not corrode; it comes apart where it was joined.
It moves the search rather than ending it. Connections first in 85345. 85351, from 1972, is the opposite job.
Next door: leak detection in 85351, where the typical home dates from 1972.
What changes when homes in 85345 share a wall?
It becomes a question about which line, before it is a question about where. Only about 62 percent of the housing in 85345 is single-family detached.
Water under a slab ignores the wall above it. It surfaces at the easiest point, which may be two doors along. Damp in one home proves almost nothing about which home it came from.
We prove which line is losing water before anyone in 85345 is blamed. It also stops the wrong floor being opened. See HOA and community leak detection.
What happens to a leak in 85345 while the house is empty?
Yes, and two meter readings are the whole check. There is no one in a closed-up 85345 property to wonder why a floor is warm.
The precaution costs nothing. Take the reading, and take a photograph of it. Anyone who can walk to the meter can do the second half.
Seasonal and empty properties come up often enough here to have their own page. See vacant and seasonal home leak checks.
85345 sits inside Peoria. The Peoria area page covers the ground this ZIP code is part of.
Straight answers
Questions we get about 85345
How old is the housing in 85345?
The median home in 85345 was finished in 1988, according to the U.S. Census Bureau. The source is the American Community Survey, five-year estimates for 2023. About 24 percent of 85345 was built before 1980 and about 23 percent since 2000.
What kind of supply pipe is under a house in 85345?
Most likely copper, with CPVC and early PEX appearing towards the end, going by a median build year of 1988 in 85345. That is a starting point, not a finding. Previous work changes the answer, and often has. We prove it at the property before touching a floor.
Homes in 85345 share walls. How do you tell whose leak it is?
By isolating the lines under pressure before anyone assigns blame. Only about 62 percent of the housing in 85345 is single-family detached. Water moves under the concrete and surfaces where it can, not where it started.
Will you dig or open a floor in 85345 to find out where the leak is?
No — finding it is what avoids that. Pressure, route and sound do the work in 85345. The whole purpose is to open one place rather than several. Nothing proceeds until the finding is explained.
Where a call from 85345 normally goes next
Something losing water in 85345?
Text us the meter reading and a picture of whatever you can see. Say how long it has been happening, and whether anything in the house changed.
5.0 on Google
What customers in the Phoenix valley have written. The words are theirs, on listings we cannot edit.
“Humberto has been amazing! Prompt, professional, and patient. He has gone above and beyond, taking the time to show me how to operate the water valves and educating me so I can continue to monitor for future leaks. He identified multiple leaks and made thoughtful recommendations.”
“Beto was very professional, thorough and patient in explaining everything he was doing and why. It was an excellent and well worth it experience, and this is saying something for an architect who had a hundred questions!”
“The owner and operator of this company is everything a contractor should be. On time, honest, competent, reachable, comprehensive. Hope to work with him again in the future.”