RICHMOND GUIDE
Drain cleaning for Richmond homes
Kitchen grease, a tired cast-iron stack, and a storm surcharge are three different phone calls. The pattern of which fixtures fail tells them apart.
Read the pattern
One bathroom sink, with the kitchen fine, is usually a local clog. Two baths on the same stack gurgling together suggests the stack or the building drain. Toilets on the lowest floor overflowing only in a downpour belong in the storm note below. Write the order: what you ran, what gurgled, what overflowed.
Older stacks and what not to pour
Many pre-war houses still have cast-iron drainage that has narrowed inside. Caustic openers are a poor match for that metal and a hazard for the next person who opens a cleanout. If a plunger failed, stop. Say what you poured anyway.
When the backup tracks the weather
The City of Richmond has a long-running combined-sewer history in older neighborhoods. If the floor drain or a basement toilet misbehaves during intense rain and is quiet otherwise, lead with that. It may not be a clog you can plunge. Do not lift a flooded floor drain and then spend time in the water.
Grease is still grease
Rowhouse kitchens put a lot of cooking into a small line. Wipe pans. A strainer is cheaper than a Saturday call. Recurring kitchen-only slowdowns after frying are a clue; recurring whole-house backups are not a grease story.
When the lowest drain is the one that fails, read sewer line signs. If you are tempted to pour a chemical opener into an old stack, the DIY limits say to stop.
QUICK ANSWERS
Questions on drains
How do I tell a local clog from a stack problem?
One bathroom sink, with the kitchen fine, is usually a local clog. Two baths on the same stack gurgling together suggests the stack or the building drain. Write what you ran, what gurgled, and what overflowed.
Should I use a chemical drain opener?
Caustic openers are a poor match for older cast-iron drainage and a hazard for the next person who opens a cleanout. If a plunger failed, stop. Say what you poured anyway.
Why does a basement fixture overflow only in a downpour?
The City of Richmond has a long-running combined-sewer history in older neighborhoods. If the floor drain or a basement toilet misbehaves during intense rain and is quiet otherwise, lead with that. It may not be a clog you can plunge.
Is kitchen grease the same as a whole-house backup?
No. Recurring kitchen-only slowdowns after frying are a grease clue. Recurring whole-house backups are not a grease story.
Sources (checked October 5, 2026)
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