Radon Testing built for Columbia Heights homes
Columbia Heights is a 3.6-square-mile inner-ring Anoka County city of about 21,000 residents directly north of Minneapolis. The housing inventory is dominated by 1925-1955 wartime and post-war stock: small bungalows, story-and-a-halves, and Capes on 50-foot lots, with a smaller pocket of 1960s-70s ramblers on the city's north side. Columbia Heights inspections surface the oldest housing in our entire service area: knob-and-tube remnants, 60-amp services, original galvanized supply lines and cast iron stacks past lifespan, asbestos siding, asbestos floor tile, vermiculite attic insulation, lead paint disclosure issues, original boiler/radiator heat in some pre-1950 homes, and detached garages with code-deficient electrical. The high water table and clay soil drive chronic basement moisture in nearly every pre-1955 home. Schools are Columbia Heights ISD 13. Silver Lake, Sullivan Lake Park, and Murzyn Hall anchor the city. Drive time from Blaine: 19 minutes. We inspect Columbia Heights weekly and know the era cold.
That local context shapes how we approach radon testing here. All of Anoka County sits in EPA Radon Zone 1, where roughly 4 in 10 basements test above the 4.0 pCi/L action level. Every Columbia Heights inspection includes a digital report in 24 hours and a phone walkthrough. A common related finding in Columbia Heights is radon above action level — we check for it carefully.