Plumbing repair · Lawrenceville, Georgia
Plumbing repair in Lawrenceville, GA
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Lawrenceville's homes (24%) was built 1980 to 1989[1]. Request a licensed plumber who works here. Lawrenceville, in Gwinnett County — ZIP 30046, counts 32,822 residents (2025 estimate)[2].
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Lawrenceville at a glance for plumbing
- Population (2025 est.)
- 32,822[2]+7.1% since 2020
- County
- Gwinnett[2]
- Land area
- 13.8 sq mi[3]
- Decade the most homes date from
- 1980 to 1989[1]24% of housing units
- Homes built before 1980
- 30%[1]the 3rd-highest share of the 15 Atlanta-area suburbs we cover
- Homes built 1980–1999
- 36%[1]2020–2024
- Homes built 2010 or later
- 12%[1]the 6th-lowest share of the 15 Atlanta-area suburbs we cover
- Winter-storm & freeze days, gwinnett zone
- 10[4]2016–2025
- Flood & flash-flood reports within 10 mi
- 8[4]8 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 11[5]4 in the last 10 years; 8 paid
- Homes on utility gas heat
- 53%[1]gas piping work usually needs a permit and a licensed installer
What the local data means for plumbing in Lawrenceville
Lawrenceville is one of the fastest-growing Atlanta-metro suburbs tracked here: 32,822 people (2025 estimate), up 7.1% since 2020[2]. It covers 13.8 square miles (2,379 residents per square mile, the 10th densest), sits entirely in Gwinnett County, in ZIP code 30046[3].
With 12% of homes built since 2010 and 30% before 1980[1], Lawrenceville'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 30046[6].
Nearest of the other suburbs we track: Duluth (9.7 mi W), Johns Creek (13.3 mi NW) and Alpharetta (18.0 mi NW)[3].
30% of Lawrenceville's 11,161 housing units predate 1980 and 12% went up in 2010 or later[1] — the 3rd-highest pre-1980 share of the 15 Atlanta-area suburbs we cover; nearby, Duluth (12%), Johns Creek (4%), and Alpharetta (8%) 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 — 24% — was built 1980 to 1989, and the median home dates to 1988[1]. Neighbours from the same era tend to hit the same plumbing problems at the same time.
Freeze risk: the gwinnett forecast zone logged 10 winter-storm, ice or hard-freeze days in 2016–2025, including February 2021; the latest was Jan 16, 2022[4].
Water from the sky is plumbing work too: 8 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 11 flood-insurance claims across Lawrenceville's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
53% of homes heat with utility gas, and 53% of households rent[1]. Tenants: report plumbing failures to the landlord in writing.
Out of the 15 suburbs on this site, Lawrenceville has the highest renter share (53%)[1], the 3rd-highest pre-1980 housing share (30%)[1], the 3rd-oldest housing (by median year built) (1988)[1], and the 3rd-fewest flood reports nearby (8, tied with Peachtree City and Kennesaw)[4].
Lawrenceville storm calendar
Within 10 miles of Lawrenceville, 2016–2025: 8 flash-flood reports[4]. Peak: 75% in February, July, and August. Busiest year 2017 (3); 6 of 10 years had none. Busiest month August 2023 (3). Latest: flash-flood report, Aug 29, 2023, 5.7 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| Feb | 1 | – | 1 |
| Apr | 1 | – | 1 |
| Jun | 1 | – | 1 |
| Jul | 2 | – | 2 |
| Aug | 3 | – | 3 |
Finding plumbing help around Lawrenceville
Requests go to Plumbing repair contractors serving the Lawrenceville area — ZIP code 30046.
Before you call: before the plumber arrives
The Lawrenceville numbers behind this page
| Measure | Lawrenceville | Median of 15 | Difference |
|---|---|---|---|
| Built before 1960 | 4.9% | 2.6% | 2 pts higher |
| Flood reports (10 mi) | 8 | 15 | 7 fewer |
| Built before 1980 | 30% | 21% | 9 pts higher |
| Renter-occupied | 53% | 41% | 12 pts higher |
| Utility-gas heat | 53% | 61% | 8 pts lower |
| Built 2010 or later | 12% | 14% | 1 pts lower |
| Median year built | 1988 | 1994 | 6 years older |
Biggest gaps first. Medians are middle values across the Atlanta-area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims |
|---|---|---|
| Lawrenceville | 8 | 11 |
| Duluth 9.7 mi | 15 | 94 |
| Johns Creek 13.3 mi | 16 | 81 |
| Alpharetta 18.0 mi | 18 | 97 |
| Dunwoody 18.4 mi | 35 | 100 |
| Roswell 21.4 mi | 21 | 161 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 30046 | 11 | $82,519 | 2009 (3) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Aug 29, 2023 | Flash Flood | 9.2 mi |
| Aug 29, 2023 | Flash Flood | 9.2 mi |
| Aug 29, 2023 | Flash Flood | 5.7 mi |
| Feb 6, 2020 | Flash Flood | 9.8 mi |
| Jul 13, 2018 | Flash Flood | 7.5 mi |
| Jul 17, 2017 | Flash Flood | 5.9 mi |
| Jun 20, 2017 | Flash Flood | 7.0 mi |
| Apr 23, 2017 | Flash Flood | 2.6 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 450 | 4.0% | ±217 |
| 2010 to 2019 | 907 | 8.1% | ±268 |
| 2000 to 2009 | 2,462 | 22.1% | ±426 |
| 1990 to 1999 | 1,283 | 11.5% | ±381 |
| 1980 to 1989 | 2,686 | 24.1% | ±409 |
| 1970 to 1979 | 2,145 | 19.2% | ±435 |
| 1960 to 1969 | 677 | 6.1% | ±280 |
| 1950 to 1959 | 305 | 2.7% | ±117 |
| 1940 to 1949 | 166 | 1.5% | ±108 |
| 1939 or earlier | 80 | 0.7% | ±52 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 11,161 |
| Detached single-family | 5,808 (52%) |
| Occupied homes | 10,719 |
| Owner-occupied | 5,040 (47%) |
| Renter-occupied | 5,679 (53%) |
| Median home value | $350,600 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 5,647 | 52.7% | ±659 |
| Electricity | 4,759 | 44.4% | ±615 |
| Bottled or tank gas (propane, butane, etc.) | 171 | 1.6% | ±99 |
| No fuel used | 124 | 1.2% | ±61 |
| Other fuel | 18 | 0.2% | ±30 |
| ZIP (ZCTA) | Share of Lawrenceville's land | Share of the ZIP inside the city |
|---|---|---|
| 30046 | 90% | 77% |
Dated heat and freeze records for the GWINNETT forecast zone: see the county list.
Lawrenceville plumbing questions
Are Lawrenceville homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 5% were built before 1960 and 30% before 1980[1].
How often do pipes freeze in Lawrenceville?
The record for Lawrenceville's forecast zone shows 10 winter-storm or freeze days over 2016–2025, in 6 different years[4].
Which ZIP codes are covered in Lawrenceville?
30046[6], in Gwinnett County. Nearby suburbs with their own pages: Duluth (9.7 mi), Johns Creek (13.3 mi), and Alpharetta (18.0 mi)[3].
I rent in Lawrenceville. Who arranges the repair?
53% of occupied Lawrenceville homes are rented[1], the highest share of the 15 Atlanta-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- OpenFEMA NFIP claims
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.