Plumbing repair · Roswell, Georgia

Plumbing repair in Roswell, GA

Leak, backed-up drain, no hot water, or a frozen line? The largest share of Roswell's homes (33%) was built 1980 to 1989^[1]. Request a licensed plumber who works here. Roswell, in Fulton County and Cobb County — ZIPs 30075, 30076, counts 91,505 residents (2025 estimate)^[2].

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Decision guide

Roswell at a glance for plumbing

Population (2025 est.): 91,505^[2]-1.4% since 2020
County: Fulton / Cobb^[2]city spans more than one county
Land area: 40.7 sq mi^[3]
Population density: 2,246 / sq mi^[2]^[3]
Decade the most homes date from: 1980 to 1989^[1]33% of housing units
Homes built before 1980: 22%^[1]the 7th-highest share of the 15 Atlanta-area suburbs we cover
Homes built 1980–1999: 53%^[1]2020–2024
Homes built 2010 or later: 9%^[1]the 2nd-lowest share of the 15 Atlanta-area suburbs we cover
Flood & flash-flood reports within 10 mi: 21^[4]20 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
FEMA flood-insurance claims, local ZIPs: 161^[5]27 in the last 10 years; 106 paid
Homes on utility gas heat: 71%^[1]gas piping work usually needs a permit and a licensed installer

Reading the Roswell data for plumbing

Roswell is one of the most established suburbs tracked here — 91,505 people (2025 estimate), down just 1.4% since 2020^[2]. On the map that's 40.7 square miles holding 2,246 residents per square mile, the 12th densest of the suburbs here; it spans Fulton County and Cobb County, with ZIP codes 30075, 30076^[3].

With 9% of homes built since 2010 and 22% before 1980^[1], Roswell's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.

Roswell is split across 2 ZIP codes: 30075 (56% of the city's land), 30076 (38% of the city's land)^[6].

The closest tracked neighbours are Alpharetta (5.0 mi NE), Dunwoody (7.1 mi S) and Sandy Springs (7.5 mi S)^[3].

22% of Roswell's 37,439 housing units predate 1980 and 9% went up in 2010 or later^[1] — the 7th-highest pre-1980 share of the 15 Atlanta-area suburbs we cover; nearby, Alpharetta (8%), Dunwoody (44%), and Sandy Springs (29%) predate 1980. The 53% built in 1980–1999 are at the age where original water heaters and valves get replaced.

The biggest single slice — 33% — was built 1980 to 1989, and the median home dates to 1989^[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: 21 flood or flash-flood reports within 10 miles over 2016–2025^[4], and FEMA logged 161 flood-insurance claims across Roswell's ZIPs^[5]. Homes that take water need working drainage, sump pumps and backflow prevention.

71% of homes heat with utility gas, and 28% of households rent^[1].

Out of the 15 suburbs on this site, Roswell has the 2nd-lowest share of homes built since 2010 (9%)^[1] and the 2nd-highest gas-heat share (71%)^[1].

Roswell storm calendar

Within 10 miles of Roswell, 2016–2025: 20 flash-flood reports and 1 flood or heavy-rain report^[4]. Peak: 62% in January, February, and July. Busiest year 2020 (6); 3 of 10 years had none. Busiest month February 2020 (6). Latest: flash-flood report, Aug 29, 2023, 9.5 mi out.

Roswell, 2016–2025
Month	Flash flood	Flood & heavy rain	All
Jan	3	–	3
Feb	6	–	6
Jun	1	–	1
Jul	3	1	4
Aug	3	–	3
Sep	2	–	2
Nov	2	–	2

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

Get plumbing help in Roswell

Requests go to Plumbing repair contractors serving the Roswell area — ZIP codes 30075, 30076.

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Roswell by the numbers

Roswell against the typical suburb we cover (median of 15)^[4]^[1]
Measure	Roswell	Median of 15	Difference
Flood reports (10 mi)	21	15	6 more
Built 2010 or later	9%	14%	4 pts lower
Renter-occupied	28%	41%	13 pts lower
Utility-gas heat	71%	61%	10 pts higher
Built before 1960	2.7%	2.6%	about the same
Built before 1980	22%	21%	1 pts higher
Median year built	1989	1994	5 years older

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

How Roswell compares with its nearest neighbours^[4]^[5]^[3]
City	Flood reports	NFIP claims
Roswell	21	161
Alpharetta 5.0 mi	18	97
Dunwoody 7.1 mi	35	100
Sandy Springs 7.5 mi	35	1,429
Milton 7.5 mi	13	15
Johns Creek 8.4 mi	16	81

Flood-insurance claims by ZIP code, since 1979^[5]
ZIP	Claims	Paid	Busiest year
30075	101	$1,609,235	2009 (50)
30076	60	$861,580	2009 (31)

ZIPs extend past city limits.

Most recent flood reports within 10 miles^[4]
Date	Type	Distance
Aug 29, 2023	Flash Flood	7.1 mi
Aug 29, 2023	Flash Flood	9.5 mi
Aug 28, 2023	Flash Flood	8.3 mi
Jan 4, 2023	Flash Flood	2.2 mi
Jan 4, 2023	Flash Flood	0.3 mi
Jan 4, 2023	Flash Flood	7.6 mi
Sep 8, 2021	Flash Flood	4.5 mi
Sep 7, 2021	Flash Flood	2.7 mi

When Roswell's 37,439 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	446	1.2%	±184
2010 to 2019	3,056	8.2%	±467
2000 to 2009	5,755	15.4%	±785
1990 to 1999	7,680	20.5%	±766
1980 to 1989	12,295	32.8%	±855
1970 to 1979	5,607	15.0%	±620
1960 to 1969	1,584	4.2%	±379
1950 to 1959	610	1.6%	±269
1940 to 1949	135	0.4%	±81
1939 or earlier	271	0.7%	±145

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

Roswell housing and households^[1]
Measure	Value
Housing units	37,439
Detached single-family	22,275 (59%)
Occupied homes	35,540
Owner-occupied	25,550 (72%)
Renter-occupied	9,990 (28%)
Median home value	$567,100

ACS 2020–2024 estimates.

How Roswell's 35,540 occupied homes are heated^[1]
Main heating fuel	Homes	Share	Margin of error
Utility gas	25,070	70.5%	±1,500
Electricity	9,759	27.5%	±811
Bottled or tank gas (propane, butane, etc.)	529	1.5%	±203
No fuel used	129	0.4%	±116
Wood	42	0.1%	±31
Other fuel	11	0.0%	±18

ZIP code areas covering Roswell^[6]
ZIP (ZCTA)	Share of Roswell's land	Share of the ZIP inside the city
30075	56%	77%
30076	38%	95%

Roswell plumbing questions

Are Roswell homes likely to have old galvanized pipes?

Only an inspection can say, but age is the clue: 3% were built before 1960 and 22% before 1980^[1].

Which ZIP codes are covered in Roswell?

30075 and 30076^[6], in Fulton County. Nearby suburbs with their own pages: Alpharetta (5.0 mi), Dunwoody (7.1 mi), and Sandy Springs (7.5 mi)^[3].

Sources

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