Is buying a house near the Springwater Corridor a good idea in Portland?
It depends on the block. Here's what we check first, starting with the flood map, and how a house near the trail compares with the inner Southeast blocks you may have started with.
By Jake Goodson and Tony Le · Updated October 19, 2026
The short answer: It depends on the block, and the first check is the flood map, because parts of Lents and Powellhurst-Gilbert along Johnson Creek are in a mapped 100-year floodplain. At The Houselab Team we check the map, the lender's flood rule and the block before we talk about the house.
If the numbers in Sellwood, Mt Tabor or Eastmoreland didn't work for you, you may have started looking further out in Southeast, in places like Lents, Brentwood-Darlington, Ardenwald-Johnson Creek and Foster-Powell, and noticed the Springwater Corridor on the map. That's a sensible place to look. It also comes with two fair worries: a letter about flood insurance you didn't see coming, and a story about the neighborhood that nobody can back up. The flood question is a map lookup, and the neighborhood story is something you settle by walking the block.
Check the map first
Johnson Creek runs through Lents and Powellhurst-Gilbert, and the city is redrawing the creek's 100-year floodplain there now. As of October 19, 2026, the city's page says FEMA is still reviewing the revised maps and may finalize them in 2026. Portland's Bureau of Environmental Services also says some properties will come out of the floodplain, and that "Changes to floodplain maps on your property may change flood insurance requirements from your mortgage lender."
Here's why a buyer cares. The city says flood insurance is "usually legally required" if your property is in the mapped 100-year floodplain. The same page says that within the term of a 30-year loan, there's at least a 25 percent chance a structure in the 100-year floodplain will flood.
For a sense of scale, a 2017 City Council document counted about 388 acres of FEMA flood hazard area in the Lents and Powellhurst-Gilbert area, including about 181 residential acres and an estimated 686 residential structures. That count is from 2017, before the remapping started.
How the lender's flood rule works. When a house sits in a Special Flood Hazard Area (the zones whose names start with A or V) and the mortgage is government-backed, flood insurance is required. Some lenders ask for it outside those zones too. If the house is in a Special Flood Hazard Area, your lender has to send you a written notice a reasonable time before closing. A new map can move a house into that requirement or out of it, so we look at the current map and ask about the pending one. What coverage to buy, and from whom, is outside what we advise on.
Our call: a house near the trail on a block outside the mapped floodplain is an ordinary house purchase. A house inside it is a purchase where you get the lender's flood answer in writing before you spend money on an inspection.
How to look up an address. Type it into portlandmaps.com or FEMA's map service at msc.fema.gov. If something on the map doesn't make sense, the city's floodplain remapping line is 503-823-4591.
Nobody falls for a house because of its flood zone. Look it up anyway, before you fall for the house.
What the trail is
From the Portland Parks page: the Springwater Corridor runs "from SE Ivon Street to Boring, Oregon," it covers 261.64 acres, and the city acquired much of it in 1990. The page names the communities that grew up along the old rail line the trail follows, including Sellwood, Eastmoreland, Woodstock, Lents and Powellhurst-Gilbert.
So "near the Springwater" isn't one kind of block. A street in Sellwood and a street by the creek in Lents are both near the trail, and they're different purchases with different checks. The flood question belongs to the creek and the map, not to the trail itself.
What we check, block by block
| Block | What you check | Where | What it can mean for the purchase |
|---|---|---|---|
| In or near the mapped floodplain | Whether the lot is in the 100-year floodplain today, and whether the remap changes that | portlandmaps.com, msc.fema.gov, the remapping line at 503-823-4591 | Your lender may require flood coverage before closing, and a new map can change that |
| Near city flood work along the creek | Whether creek or floodplain work is planned near the house, and when | Portland Bureau of Environmental Services, Johnson Creek projects | Possible construction nearby; ask for dates before you bid |
| On the trail edge | The nearest access point, the lighting, how busy the trail side of the fence gets | Walk it in the morning and again in the evening | A back fence on the trail and a house three blocks off it are different houses to live in |
| Street and transit | Sidewalks, the busy streets you'd cross, the bus or train you'd use | Walk it, then ride your commute once | Whether your weekday works the way you want it to |
| House age and sewer | Year built, the main sewer line, any past water in a basement or crawlspace | The seller's disclosure and a sewer scope (our old-house checks) | A repair to price into your offer, or a reason to walk away |
What people say about the trail
You'll hear stories about the trail, good and bad, and none of them can be checked from a listing. We won't describe any stretch of it for you. Walk the section nearest the house in the morning and again after dark, and decide with your own eyes.
The week you like a house
Say it's Saturday, you've walked through a house a few blocks off the trail, and you like it. Here's the order we'd go in...
- Look up the address on portlandmaps.com and msc.fema.gov. Write down the flood zone, and call 503-823-4591 if the remap might touch it.
- Read the seller's disclosure for anything about flooding or water, and ask the question out loud if the answer is blank.
- Ask your lender whether a loan on this address would need flood coverage, under today's map and under the pending one.
- Walk the block twice, once in the morning and once after dark, including the stretch of trail closest to the house.
- Ask for a sewer scope with your inspection. The main line runs underground where nobody can see it, and a camera is how you find out what shape it's in.
Quick FAQ
Is the whole Springwater Corridor in a floodplain?
The city's remapping is about the Johnson Creek floodplain in Lents and Powellhurst-Gilbert, where parts of both neighborhoods are in the mapped 100-year floodplain. The trail runs much farther than that, from SE Ivon Street to Boring, so check each address on the map rather than the trail as a whole.
Will my lender require flood insurance?
If the house is in a Special Flood Hazard Area and the mortgage is government-backed, flood insurance is required. Some lenders ask for it outside those areas too. If the house is in one, your lender has to send you a written notice a reasonable time before closing, so ask your lender early.
Is the Johnson Creek flood map changing?
Yes. The city is remapping the 100-year floodplain in Lents and Powellhurst-Gilbert. As of October 19, 2026, the city's page says FEMA is still reviewing the revised maps and may finalize them in 2026. The city also says some properties will come out of the floodplain.
Does the Springwater Corridor reach Sellwood and Eastmoreland?
Yes. Portland Parks says the trail starts at SE Ivon Street and names Sellwood and Eastmoreland among the communities that grew up along the old rail line it follows.
Keep reading
- —Neighborhood guides: all neighborhoods, Lents, Brentwood-Darlington, Foster-Powell, Ardenwald-Johnson Creek, Woodstock, Sellwood
- —What is it like to live in Sellwood-Moreland if you're buying a house?
- —Our old-house checks
Like a house near the trail?
Send us the address! We'll look up the map, check the lender's flood question with you and walk the block, so you know what you're looking at before you decide anything. Get in touch here.
The Houselab Team @ Like Kind Realty
Sources
All retrieved 2026-10-19.
- —Portland Parks & Recreation, Springwater Corridor: https://www.portland.gov/parks/springwater-corridor (no page date)
- —Portland Bureau of Environmental Services, Johnson Creek floodplain remapping: https://www.portland.gov/bes/flooding/floodplain-remapping-0 (no page date)
- —Portland Bureau of Environmental Services, Johnson Creek projects: https://www.portland.gov/bes/johnson-creek
- —FEMA, mandatory purchase of flood insurance (updated March 5, 2020): https://www.fema.gov/about/glossary/mandatory-purchase
- —FEMA, flood zones: https://www.fema.gov/glossary/flood-zones
- —FloodSmart, eligibility: https://www.floodsmart.gov/get-insured/eligibility
- —Consumer Financial Protection Bureau, Flood Risk and Mortgages report (January 2025): https://files.consumerfinance.gov/f/documents/cfpb_Flood-Risk-and-Mortgages_Report_2025-01.pdf
- —Code of Federal Regulations, 12 CFR 339.9, notice of special flood hazards: https://www.ecfr.gov/current/title-12/chapter-III/subchapter-B/part-339/section-339.9
- —Portland City Council record, August 2017 (Lents and Powellhurst-Gilbert flood hazard acres and residential structures): https://efiles.portlandoregon.gov/Record/12278509/File/Document
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