Plumbing repair · Casa Grande, Arizona

Plumbing repair in Casa Grande, AZ

Leak, backed-up drain, no hot water, or a frozen line? The largest share of Casa Grande's homes (43%) was built 2000 to 2009^[1]. Request a licensed plumber who works here. Casa Grande, in Pinal County — ZIPs 85122, 85193, 85194, counts 69,753 residents (2025 estimate)^[2].

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Casa Grande plumbing snapshot: the key figures

Population (2025 est.): 69,753^[2]+29.9% since 2020
County: Pinal^[2]
Land area: 114.2 sq mi^[3]
Population density: 611 / sq mi^[2]^[3]
Decade the most homes date from: 2000 to 2009^[1]43% of housing units
Homes built before 1980: 21%^[1]the 5th-highest share of the 15 Phoenix-area suburbs we cover
Homes built 1980–1999: 17%^[1]2020–2024
Homes built 2010 or later: 19%^[1]the 8th-highest share of the 15 Phoenix-area suburbs we cover
Flood & flash-flood reports within 10 mi: 7^[4]6 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
FEMA flood-insurance claims, local ZIPs: 17^[5]5 in the last 10 years; 9 paid
Homes on utility gas heat: 28%^[1]gas piping work usually needs a permit and a licensed installer

Reading the Casa Grande data for plumbing

Casa Grande is one of the fastest-growing Phoenix-metro suburbs tracked here: 69,753 people (2025 estimate), up 29.9% since 2020^[2]. It covers 114.2 square miles (611 residents per square mile, the 14th densest), sits entirely in Pinal County, in ZIP codes 85122, 85193, 85194^[3].

With 19% of homes built since 2010 and 21% before 1980^[1], Casa Grande's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.

3 ZIP codes cover Casa Grande — 85122 (41% of the city's land), 85193 (39% of the city's land), 85194 (18% of the city's land)^[6].

The tracked suburbs closest by are Maricopa (16.6 mi NW), Queen Creek (24.6 mi N) and Chandler (26.5 mi N)^[3].

21% of Casa Grande's 25,137 housing units predate 1980 and 19% went up in 2010 or later^[1] — the 5th-highest pre-1980 share of the 15 Phoenix-area suburbs we cover; nearby, Maricopa (2%), Queen Creek (3%), and Chandler (10%) predate 1980. Houses that old can still have galvanized supply pipe or cast-iron drains — especially the 5% built before 1960.

The biggest single slice — 43% — was built 2000 to 2009, and the median home dates to 2003^[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.

Water from the sky is plumbing work too: 7 flood or flash-flood reports within 10 miles over 2016–2025^[4], and FEMA logged 17 flood-insurance claims across Casa Grande's ZIPs^[5]. Homes that take water need working drainage, sump pumps and backflow prevention.

28% of homes heat with utility gas, and 27% of households rent^[1].

Measured against the 15 suburbs on this site, Casa Grande records the fewest flood reports nearby (7)^[4].

Casa Grande storm calendar

Within 10 miles of Casa Grande, 2016–2025: 6 flash-flood reports and 1 flood or heavy-rain report^[4]. Peak: 86% in June, August, and October. Busiest year 2017 (2); 6 of 10 years had none. Busiest month August 2017 (2). Latest: flash-flood report, Oct 15, 2022, 8.1 mi out.

Casa Grande, 2016–2025
Month	Flash flood	Flood & heavy rain	All
Jun	1	–	1
Jul	1	–	1
Aug	2	–	2
Oct	2	1	3

Darker squares, more reports. NOAA Storm Events Database^[4].

Get plumbing help in Casa Grande

Plumbing repair contractors taking requests around Casa Grande cover ZIP codes 85122, 85193, 85194.

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Casa Grande by the numbers

How Casa Grande stacks up against the median suburb we cover (median of 15)^[1]^[4]
Measure	Casa Grande	Median of 15	Difference
Built before 1960	5.1%	1.6%	4 pts higher
Built before 1980	21%	10%	11 pts higher
Flood reports (10 mi)	7	22	15 fewer
Utility-gas heat	28%	36%	8 pts lower
Renter-occupied	27%	27%	about the same
Median year built	2003	2002	1 year newer
Built 2010 or later	19%	19%	same as median

Largest differences first. Medians are the middle value across the covered Phoenix-area suburbs, from the same sources.

Casa Grande and nearby suburbs, side by side^[4]^[5]^[3]
City	Flood reports	NFIP claims
Casa Grande	7	17
Maricopa 16.6 mi	22	6
Queen Creek 24.6 mi	14	14
Chandler 26.5 mi	20	11
Gilbert 27.9 mi	21	21
Mesa 34.1 mi	28	74

Flood-insurance claims by ZIP code, since 1996^[5]
ZIP	Claims	Paid	Busiest year
85122	9	$204,293	1999 (3)
85193	5	$0	2023 (2)
85194	3	$144,540	2010 (1)

ZIPs extend past city limits.

Most recent flood reports within 10 miles^[4]
Date	Type	Distance
Oct 15, 2022	Flash Flood	8.1 mi
Jun 26, 2022	Flash Flood	4.9 mi
Jul 22, 2021	Flash Flood	8.6 mi
Oct 13, 2018	Heavy Rain	1.9 mi
Oct 2, 2018	Flash Flood	7.3 mi
Aug 13, 2017	Flash Flood	3.4 mi
Aug 3, 2017	Flash Flood	6.3 mi

When Casa Grande's 25,137 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	1,407	5.6%	±333
2010 to 2019	3,414	13.6%	±564
2000 to 2009	10,740	42.7%	±603
1990 to 1999	2,444	9.7%	±381
1980 to 1989	1,852	7.4%	±352
1970 to 1979	2,869	11.4%	±513
1960 to 1969	1,126	4.5%	±267
1950 to 1959	786	3.1%	±237
1940 to 1949	359	1.4%	±134
1939 or earlier	140	0.6%	±82

ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.

Casa Grande housing and households^[1]
Measure	Value
Housing units	25,137
Detached single-family	17,511 (70%)
Occupied homes	21,624
Owner-occupied	15,740 (73%)
Renter-occupied	5,884 (27%)
Median home value	$303,900

ACS 2020–2024 estimates.

How Casa Grande's 21,624 occupied homes are heated^[1]
Main heating fuel	Homes	Share	Margin of error
Electricity	14,773	68.3%	±761
Utility gas	5,978	27.6%	±598
No fuel used	336	1.6%	±152
Solar energy	264	1.2%	±108
Bottled or tank gas (propane, butane, etc.)	241	1.1%	±111
Fuel oil, kerosene, etc.	20	0.1%	±30
Other fuel	12	0.1%	±20

ZIP code areas covering Casa Grande^[6]
ZIP (ZCTA)	Share of Casa Grande's land	Share of the ZIP inside the city
85122	41%	81%
85193	39%	20%
85194	18%	25%

Casa Grande plumbing questions

Are Casa Grande homes likely to have old galvanized pipes?

Only an inspection can say, but age is the clue: 5% were built before 1960 and 21% before 1980^[1].

Which ZIP codes are covered in Casa Grande?

85122, 85193, and 85194^[6], in Pinal County. Nearby suburbs with their own pages: Maricopa (16.6 mi), Queen Creek (24.6 mi), and Chandler (26.5 mi)^[3].

Sources

Data pulled Sep 28, 2026. Full citations and method.