Plumbing repair · Northglenn, Colorado
Plumbing repair in Northglenn, CO
Leak, backed-up drain, no hot water, or a frozen line? The largest share of Northglenn's homes (38%) was built 1960 to 1969[1]. Request a licensed plumber who works here. Northglenn, in Adams County and Weld County — ZIPs 80233, 80234, 80603, 80260, counts 38,893 residents (2025 estimate)[2].
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The Northglenn plumbing picture in brief
- Population (2025 est.)
- 38,893[2]+2.1% since 2020
- County
- Adams / Weld[2]city spans more than one county
- Land area
- 7.4 sq mi[3]
- Decade the most homes date from
- 1960 to 1969[1]38% of housing units
- Homes built before 1980
- 60%[1]the 2nd-highest share of the 15 Denver-area suburbs we cover
- Homes built 1980–1999
- 19%[1]2020–2024
- Homes built 2010 or later
- 6%[1]the lowest share of the 15 Denver-area suburbs we cover
- Flood & flash-flood reports within 10 mi
- 11[4]8 flash floods, 2016–2025; flood-prone homes need working drainage and backflow prevention
- FEMA flood-insurance claims, local ZIPs
- 19[5]6 in the last 10 years; 10 paid
- Homes on utility gas heat
- 67%[1]gas piping work usually needs a permit and a licensed installer
Reading the Northglenn data for plumbing
Northglenn counts 38,893 residents (2025 estimate), growing at a middle-of-the-pack 2.1% since 2020[2]. On the map that's 7.4 square miles holding 5,284 residents per square mile, the 2nd densest of the suburbs here; it spans Adams County and Weld County, with ZIP codes 80233, 80234, 80603, 80260[3].
With 6% of homes built since 2010 and 60% before 1980[1], Northglenn's plumbing runs from brand-new supply lines and fixtures to aging pipe, original valves and water heaters past their rated life.
Mail to Northglenn goes through 4 ZIP codes — 80233 (48% of the city's land), 80234 (25% of the city's land), 80603 (13% of the city's land), 80260 (11% of the city's land)[6].
Nearest of the other suburbs we track: Thornton (2.2 mi E), Broomfield (4.7 mi NW) and Westminster (4.7 mi SW)[3].
60% of Northglenn's 14,914 housing units predate 1980 and 6% went up in 2010 or later[1] — the 2nd-highest pre-1980 share of the 15 Denver-area suburbs we cover; nearby, Thornton (22%), Broomfield (21%), and Westminster (34%) 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 — 38% — was built 1960 to 1969, and the median home dates to 1974[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: 11 flood or flash-flood reports within 10 miles over 2016–2025[4], and FEMA logged 19 flood-insurance claims across Northglenn's ZIPs[5]. Homes that take water need working drainage, sump pumps and backflow prevention.
67% of homes heat with utility gas, and 39% of households rent[1]. Tenants: report plumbing failures to the landlord in writing.
Out of the 15 suburbs on this site, Northglenn has the lowest share of homes built since 2010 (6%)[1], the 2nd-highest pre-1980 housing share (60%)[1], the 2nd-oldest housing (by median year built) (1974)[1], and the 3rd-lowest gas-heat share (67%)[1].
Northglenn storm calendar
Within 10 miles of Northglenn, 2016–2025: 8 flash-flood reports and 3 flood or heavy-rain reports[4]. Peak: 82% in May, July, and August. Busiest year 2023 (3); 3 of 10 years had none. Busiest month August 2022 (2). Latest: flood or heavy-rain report, Jun 25, 2025, 9.2 mi out.
| Month | Flash flood | Flood & heavy rain | All |
|---|---|---|---|
| May | – | 2 | 2 |
| Jun | 1 | 1 | 2 |
| Jul | 3 | – | 3 |
| Aug | 4 | – | 4 |
plumbing help in Northglenn: what to do next
Your request reaches Plumbing repair contractors who serve Northglenn (ZIP codes 80233, 80234, 80603, 80260).
Before you pick up the phone: before the plumber arrives
The Northglenn numbers behind this page
| Measure | Northglenn | Median of 15 | Difference |
|---|---|---|---|
| Flood reports (10 mi) | 11 | 6 | 5 more |
| Built before 1980 | 60% | 37% | 23 pts higher |
| Built 2010 or later | 6% | 15% | 9 pts lower |
| Built before 1960 | 5.1% | 7.6% | 2 pts lower |
| Renter-occupied | 39% | 37% | 2 pts higher |
| Utility-gas heat | 67% | 71% | 4 pts lower |
| Median year built | 1974 | 1987 | 13 years older |
Biggest gaps first. Medians are middle values across the Denver-area suburbs we cover, drawn from the same sources.
| City | Flood reports | NFIP claims |
|---|---|---|
| Northglenn | 11 | 19 |
| Thornton 2.2 mi | 7 | 34 |
| Broomfield 4.7 mi | 6 | 57 |
| Westminster 4.7 mi | 14 | 45 |
| Commerce City 10.1 mi | 2 | 6 |
| Arvada 10.4 mi | 12 | 103 |
| ZIP | Claims | Paid | Busiest year |
|---|---|---|---|
| 80233 | 4 | $367 | 1990 (1) |
| 80234 | 2 | $0 | 2005 (1) |
| 80603 | 4 | $53,477 | 2010 (1) |
| 80260 | 9 | $17,101 | 2011 (3) |
ZIPs extend past city limits.
| Date | Type | Distance |
|---|---|---|
| Jun 25, 2025 | Flood | 9.2 mi |
| Jul 20, 2024 | Flash Flood | 9.1 mi |
| Jun 29, 2023 | Flash Flood | 9.1 mi |
| May 11, 2023 | Flood | 5.8 mi |
| May 11, 2023 | Flood | 6.2 mi |
| Aug 16, 2022 | Flash Flood | 5.7 mi |
| Aug 7, 2022 | Flash Flood | 2.9 mi |
| Jul 30, 2021 | Flash Flood | 6.6 mi |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 14 | 0.1% | ±35 |
| 2010 to 2019 | 914 | 6.1% | ±284 |
| 2000 to 2009 | 2,201 | 14.8% | ±533 |
| 1990 to 1999 | 1,985 | 13.3% | ±535 |
| 1980 to 1989 | 822 | 5.5% | ±272 |
| 1970 to 1979 | 2,540 | 17.0% | ±481 |
| 1960 to 1969 | 5,672 | 38.0% | ±591 |
| 1950 to 1959 | 595 | 4.0% | ±232 |
| 1940 to 1949 | 157 | 1.1% | ±122 |
| 1939 or earlier | 14 | 0.1% | ±22 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 14,914 |
| Detached single-family | 8,659 (58%) |
| Occupied homes | 14,570 |
| Owner-occupied | 8,823 (61%) |
| Renter-occupied | 5,747 (39%) |
| Median home value | $462,100 |
ACS 2020–2024 estimates.
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 9,807 | 67.3% | ±693 |
| Electricity | 4,263 | 29.3% | ±603 |
| No fuel used | 255 | 1.8% | ±344 |
| Solar energy | 94 | 0.6% | ±79 |
| Other fuel | 79 | 0.5% | ±122 |
| Bottled or tank gas (propane, butane, etc.) | 52 | 0.4% | ±43 |
| Wood | 11 | 0.1% | ±13 |
| Fuel oil, kerosene, etc. | 9 | 0.1% | ±15 |
| ZIP (ZCTA) | Share of Northglenn's land | Share of the ZIP inside the city |
|---|---|---|
| 80233 | 48% | 39% |
| 80234 | 25% | 26% |
| 80603 | 13% | 1% |
| 80260 | 11% | 16% |
Northglenn plumbing questions
Are Northglenn homes likely to have old galvanized pipes?
Only an inspection can say, but age is the clue: 5% were built before 1960 and 60% before 1980[1].
Which ZIP codes are covered in Northglenn?
80233, 80234, 80603, and 80260[6], in Adams County. Nearby suburbs with their own pages: Thornton (2.2 mi), Broomfield (4.7 mi), and Westminster (4.7 mi)[3].
I rent in Northglenn. Who arranges the repair?
39% of occupied Northglenn homes are rented[1], the 4th-highest share of the 15 Denver-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.