Plumbing repair · Redmond, Washington

Plumbing repair in Redmond, WA

Leak, backed-up drain, no hot water, or a frozen line? The largest share of Redmond's homes (22%) was built 2010 to 2019^[1]. Request a licensed plumber who works here. Redmond, in King County — ZIP 98052, counts 82,506 residents (2025 estimate)^[2].

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Redmond at a glance for plumbing

Population (2025 est.): 82,506^[2]+12.6% since 2020
County: King^[2]
Land area: 16.6 sq mi^[3]
Population density: 4,972 / sq mi^[2]^[3]
Decade the most homes date from: 2010 to 2019^[1]22% of housing units
Homes built before 1980: 26%^[1]the 3rd-lowest share of the 15 Seattle-area suburbs we cover
Homes built 1980–1999: 34%^[1]2020–2024
Homes built 2010 or later: 27%^[1]the highest share of the 15 Seattle-area suburbs we cover
Flood & flash-flood reports within 10 mi: 3^[4]0 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: 38%^[1]gas piping work usually needs a permit and a licensed installer

What the local data means for plumbing in Redmond

Redmond is one of the fastest-growing Seattle-metro suburbs tracked here: 82,506 people (2025 estimate), up 12.6% since 2020^[2]. The city spans 16.6 square miles at 4,972 residents per square mile (the 3rd densest) and sits entirely in King County, served by ZIP code 98052^[3].

With 27% of homes built since 2010 and 26% before 1980^[1], Redmond's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.

The entire city sits in ZIP code 98052^[6].

The closest tracked neighbours are Kirkland (4.3 mi W), Bellevue (5.9 mi S) and Sammamish (6.8 mi SE)^[3].

26% of Redmond's 35,104 housing units predate 1980 and 27% went up in 2010 or later^[1] — the 3rd-lowest pre-1980 share of the 15 Seattle-area suburbs we cover; nearby, Kirkland (44%), Bellevue (47%), and Sammamish (13%) predate 1980. New-construction problems are usually fittings, supply lines, water-heater installs and drain slopes, not worn-out pipe.

The biggest single slice — 22% — was built 2010 to 2019, and the median home dates to 1993^[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: 3 flood or flash-flood reports within 10 miles over 2016–2025^[4], and FEMA logged 17 flood-insurance claims across Redmond's ZIPs^[5]. Homes that take water need working drainage, sump pumps and backflow prevention.

38% of homes heat with utility gas, and 57% of households rent^[1]. Tenants: report plumbing failures to the landlord in writing.

Among the 15 suburbs tracked here, Redmond stands out for the highest share of homes built since 2010 (27%)^[1], the most flood reports nearby (3, tied with 3 other suburbs)^[4], the highest renter share (57%)^[1], and the 3rd-lowest pre-1980 housing share (26%)^[1].

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Requests go to Plumbing repair contractors serving the Redmond area — ZIP code 98052.

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Before you pick up the phone: before the plumber arrives

The Redmond numbers behind this page

Redmond next to the typical covered suburb (median of 15)^[4]^[1]
Measure	Redmond	Median of 15	Difference
Flood reports (10 mi)	3	1	2 more
Built 2010 or later	27%	13%	14 pts higher
Built before 1960	2.5%	10.8%	8 pts lower
Built before 1980	26%	39%	13 pts lower
Renter-occupied	57%	45%	12 pts higher
Utility-gas heat	38%	40%	2 pts lower
Median year built	1993	1985	8 years newer

Sorted by largest difference. Each median is the middle value across the covered Seattle-area suburbs, from the same sources.

Redmond beside its nearest neighbours^[4]^[5]^[3]
City	Flood reports	NFIP claims
Redmond	3	17
Kirkland 4.3 mi	3	29
Bellevue 5.9 mi	3	77
Sammamish 6.8 mi	1	27
Bothell 7.8 mi	3	15
Issaquah 9.7 mi	1	243

Flood-insurance claims by ZIP code, since 1986^[5]
ZIP	Claims	Paid	Busiest year
98052	17	$128,625	2020 (4)

ZIPs extend past city limits.

Most recent flood reports within 10 miles^[4]
Date	Type	Distance
Dec 5, 2023	Heavy Rain	6.8 mi
Dec 4, 2023	Heavy Rain	6.8 mi
Jan 12, 2021	Flood	6.3 mi

When Redmond's 35,104 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	1,707	4.9%	±405
2010 to 2019	7,766	22.1%	±727
2000 to 2009	4,698	13.4%	±460
1990 to 1999	4,872	13.9%	±520
1980 to 1989	6,966	19.8%	±636
1970 to 1979	5,641	16.1%	±597
1960 to 1969	2,583	7.4%	±378
1950 to 1959	248	0.7%	±110
1940 to 1949	49	0.1%	±67
1939 or earlier	574	1.6%	±291

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

Redmond housing and households^[1]
Measure	Value
Housing units	35,104
Detached single-family	12,738 (36%)
Occupied homes	33,100
Owner-occupied	14,302 (43%)
Renter-occupied	18,798 (57%)
Median home value	$1,167,800

ACS 2020–2024 estimates.

How Redmond's 33,100 occupied homes are heated^[1]
Main heating fuel	Homes	Share	Margin of error
Electricity	19,599	59.2%	±817
Utility gas	12,672	38.3%	±659
Bottled or tank gas (propane, butane, etc.)	337	1.0%	±146
No fuel used	252	0.8%	±126
Fuel oil, kerosene, etc.	128	0.4%	±94
Wood	72	0.2%	±71
Solar energy	23	0.1%	±30
Other fuel	17	0.1%	±27

ZIP code areas covering Redmond^[6]
ZIP (ZCTA)	Share of Redmond's land	Share of the ZIP inside the city
98052	90%	73%

Redmond plumbing questions

Are Redmond homes likely to have old galvanized pipes?

Only an inspection can say, but age is the clue: 2% were built before 1960 and 26% before 1980^[1].

Which ZIP codes are covered in Redmond?

98052^[6], in King County. Nearby suburbs with their own pages: Kirkland (4.3 mi), Bellevue (5.9 mi), and Sammamish (6.8 mi)^[3].

My Redmond home is fairly new — could the plumbing and water heater still be under warranty?

Possibly: 27% of Redmond's housing units were built in 2010 or later^[1], the highest share of the 15 Seattle-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.

I rent in Redmond. Who arranges the repair?

57% of occupied Redmond homes are rented^[1], the highest share of the 15 Seattle-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.

Sources

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