Gutters, roofing, siding and windows in ZIP code 55421, Columbia Heights, MN

• Gutters in ZIP code 55421

  Anoka County averages 30.6 inches of precipitation a year (NOAA 1991–2020 normals). One inch of rain on 1,000 square feet of roof is about 623 gallons of water for the gutters to carry.

• Roofing in ZIP code 55421

  42 of the 114 hail events on record within 10 miles of the center of ZIP code 55421 from 2016 through March 31, 2026 had hail 1.5 inches or larger. The National Weather Service counts hail of 1 inch or larger as severe.

• Siding in ZIP code 55421

  The strongest thunderstorm wind on record within 10 miles of the center of ZIP code 55421 from 2016 through September 22, 2025 was 72 mph. The National Weather Service counts a thunderstorm wind of 58 mph or more as severe.

• Windows in ZIP code 55421

  72% of homes in ZIP code 55421 were built before 1980. A home built before 1980 was built before the energy codes in force today were written.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); American Community Survey 2023, 5-year; NOAA 1991–2020 climate normals.

ZIP code 55421 is filed here under Columbia Heights, in Anoka County, Minnesota; its center is about 29 miles north of our Farmington office. ZIP code 55421 also extends into Ramsey County. Our address file holds 12,365 address points in ZIP code 55421. ZIP code 55421 reaches into 5 cities and towns on our pages: Columbia Heights (9,638 address points), Fridley (1,713), Hilltop (471), St. Anthony (457) and Minneapolis (86). Columbia Heights holds the most of its address points, so this page sits under Columbia Heights.

Source: Census ZIP Code Tabulation Areas and address points (a ZIP code can also take in land outside any city or town).

ZIP code 55421 has 13,247 housing units, and 52% of them are single-family detached homes (American Community Survey 2023, 5-year). Another 10% are attached homes such as townhomes. Mobile homes make up 2% of the housing units.

The median home in ZIP code 55421 was built in 1966. 72% of homes in ZIP code 55421 were built before 1980, and 14% were built in 2000 or later. The most common building period is 1950–1959, with 3,124 homes.

60% of occupied homes in ZIP code 55421 are owner-occupied. The median owner-occupied home in ZIP code 55421 is valued at $260,500. Among occupied homes in ZIP code 55421, 77% heat with utility gas, 20% with electricity and 1% with bottled or tank gas.

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040), for ZIP Code Tabulation Area 55421.

The nearest other ZIP codes we serve, measured center to center, are 55418 in Minneapolis (2.1 miles south), 55430 in Brooklyn Center (2.5 miles west), 55412 in Minneapolis (2.9 miles southwest), 55432 in Fridley (3.2 miles north), 55112 in New Brighton (3.4 miles northeast) and 55413 in Minneapolis (3.7 miles south). The table sets ZIP code 55421 beside the 8 ZIP codes nearest to it, using the same Census figures for each.

Source: American Community Survey 2023, 5-year, by ZIP Code Tabulation Area; distances are straight lines between ZIP code centers.

The NOAA Storm Events Database records 114 hail events, 85 thunderstorm-wind events and 2 tornadoes within 10 miles of the center of ZIP code 55421 from 2016 through March 31, 2026 for hail and through September 22, 2025 for thunderstorm wind and tornadoes. The largest hail on record there in that period was 3 inches on August 11, 2023, near Minneapolis. 42 of those hail events had hail 1.5 inches or larger.

The closest event to the center of ZIP code 55421 was 45 mph wind on August 24, 2021, less than 1 mile away near Columbia Heights. The most recent hail event within 10 miles of the center of ZIP code 55421 was on August 15, 2025: 1 in hail near Coon Rapids. The most recent thunderstorm-wind event within 10 miles of the center of ZIP code 55421 was on July 28, 2025, near Circle Pines. The strongest thunderstorm wind recorded within 10 miles of the center of ZIP code 55421 in that period was 72 mph. The busiest year was 2022, with 48 events in all.

Apart from those database entries, NOAA weather radar indicated hail of 1 inch or larger over Columbia Heights on 2 days from January 2025 on, most recently June 19, 2026. A radar indication is an estimate, not a report from the ground, and the counts and tables on this page do not include it.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); NOAA MRMS radar hail estimates (for the city of Columbia Heights).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

This page is filed under Columbia Heights, which is in Anoka County; the ratings below are that county's. Anoka County scores 96.2 of 100 for hail in FEMA's National Risk Index, which ranks 5th of 87 Minnesota counties. Anoka County scores 98.8 of 100 for strong wind in FEMA's National Risk Index, which ranks 3rd of 87 Minnesota counties. Anoka County scores 84.1 of 100 for winter weather in FEMA's National Risk Index, which ranks 16th of 87 Minnesota counties. Of the perils listed here, the highest score in Anoka County is for strong wind, at 98.8 of 100.

Anoka County averages 30.6 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Anoka County is 44.5°F.

Source: FEMA National Risk Index, 2026 release; rank among the state's counties computed from the scores; NOAA 1991–2020 climate normals.

Our Farmington office is at 821 3rd St, Farmington, MN 55024, about 29 miles from the center of ZIP code 55421. Its hours are Monday–Friday 7:00 AM–7:00 PM. You can reach that office at (651) 998-8500.

• Farmington office: address, hours and map