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Longmont Basement Homes for Sale

HomeLongmont
Homes With Basement

See Longmont basement homes by price and compare lower-level rooms, storage, light, and condition.

Latest Longmont, CO Basement Homes for Sale

Homes with a basement in Longmont, CO: 608 listed now, $39K to $22.5M, median $550K; the Longmont homes with a basement prices and what to check are under the homes. The listings run from McIntosh Lake to undefined. Call or text 303-955-4220. A live person answers.

301 Properties Found
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Current Real Estate Statistics for Basement Homes in Longmont, CO

301
Homes Listed
74
Avg. Days on Site
$350
Avg. $ / Sq.Ft.
$1,181,970
Med. List Price

Homes with a basement in Longmont: the numbers this week

608 homes with a basement are for sale in Longmont this week, $39K to $22.5M; the median home with a basement is listed at $550K for 1,920 square feet, $296 a foot. 59 percent of the sampled listings have no HOA. The charts below are drawn from those listings, not from a report about them.

Homes with a basement in Longmont this weekNumber
For sale608
Price range$39K to $22.5M
Median list price$550K
Median price per square foot$296
Size range632 to 13,284 sq ft
Listings with an HOA162 of 400 sampled (median $185/mo)
Condos and townhomes69 of 400 sampled
Wider searchLongmont homes for sale
Homes with a basement in Longmont by price64Under $375K72$375K to $475K78$475K to $575K88$575K to $850K58$850K to $1.75M40Over $1.75M
214 of the 400 sampled sit in the lower half of the range.
Homes with a basement in Longmont by bedrooms45Studio or 1 bed662 beds1343 beds984 beds575+ beds
3 beds is the most common listing this week.
HOA on homes with a basement in LongmontWith a monthly HOA162No HOA238

Homes with a basement in Longmont by ZIP code

Homes with a basement by ZIP code805041678050312680501107

What the median home with a basement in Longmont costs per month

Median Longmont home with a basement home, $550K, 5% down, 7% note rate: about $4,110 a monthPrincipal and interest$3,476Property tax (about 0.55%)$252Homeowners insurance$160Mortgage insurance (5% down)$218A seller-paid 2-1 buydown takes year one to 5%: $2,805 principal and interest, $671 a month less.
Taxes, insurance and mortgage insurance add about $630 a month to the note on the median Longmont home with a basement home. Can I afford a home now? runs your own numbers.

About homes with a basement in Longmont

The homes with a basement for sale in Longmont above are every MLS listing with a basement: finished basements, unfinished basements, walkout basements, garden-level basements and partial basements. Buyers searching basement homes in Longmont also search homes with a finished basement, walkout basement homes, homes with a basement apartment, homes with a mother-in-law suite downstairs and homes with a basement bedroom, and this page carries all of them. As of September 28, 2026 this page shows 315 home with a basements for sale in Longmont with a median list price of $1,165,946 and an average of $349 per square foot. The count updates the moment a home lists or closes.

Unfinished is the cheapest square footage you will buy in Longmont. It appraises low and finishes for $40 to $80 a square foot, which is less than the same space costs upstairs.

Walkout basements open to grade on a sloped lot and bring in light and a second entrance. They carry a premium in Longmont and make the best rental or in-law suites.

Garden level sits half above grade with full-size windows. More light than a standard basement, less separation than a walkout.

Egress, radon and water. A basement bedroom needs an egress window. Colorado sits on uranium-rich soil, so we test radon on every basement home in Longmont. And we look for the sump pump, the water line on the wall and the smell.

Tour with a Kenna agent, 7 days a week. We open the mechanical room, check the egress windows and ask for the permit history.

Inspect the basement hard. Radon test, sewer scope, foundation walls, sump pump and the grading outside. Expansive Front Range soils move basements.

Questions people ask about homes with a basement in Longmont

How many homes with a basement are for sale in Longmont right now?

608 this week, $39K to $22.5M, median $550K. The grid at the top of this page is the live MLS list and refreshes daily.

What is the median price of homes with a basement in Longmont?

$550K at list this week, for a median 1,920 square feet, $296 a square foot. Compare two on the per-foot number and the condition before the list price. More: Can I afford a home now?.

Which ZIP code has the most homes with a basement in Longmont?

80504 with 167 in this week's sample, then 80503 with 126. More: Colorado Basement Egress Windows: Code and Costs.

Can I buy homes with a basement in Longmont with a low down payment?

Yes. Colorado down-payment assistance works at a 620 credit score, FHA takes 3.5 percent down, VA zero where the buyer qualifies, and a seller credit covers closing costs. On the median $550K home with a basement that is $19,250 down at 3.5 percent. More: Can I afford a home now?.

Do homes with a basement in Longmont have HOA fees?

Some do: 162 of 400 sampled carry a fee (median $185 a month); 238 do not. More: HOA fees in Colorado, explained.

What does the median home with a basement in Longmont cost per month?

About $4,110 a month on the median $550K home with a basement with 5 percent down at a 7 percent note rate: $3,476 principal and interest, $252 property tax, $160 insurance, $218 mortgage insurance. A seller-paid 2-1 buydown cuts year one by $671. More: Can I afford a home now?.

Does a finished basement count in the square footage?

Appraisers count it separately as below-grade square footage and value it at less per foot than the main floor. The MLS lists total and finished square feet; we show you both on every Longmont listing. More: What Colorado Homebuyers Want in a Finished Basement .

Can I rent out a basement in Longmont?

A basement with its own entrance, kitchen, egress and a city permit can be rented where Longmont zoning allows an accessory unit. We check the zoning and the HOA before you count on the income. More: Rent Out Your Home Instead of Selling in Today's Market – Kenna Real Estate Can Help -.

New listings the day they hit

Text LONGMONT and what you are looking for to 303-955-4220. A live person answers, sets up the saved search and sends the disclosures on any home with a basement you want to see.

Call or text 303-955-4220 All Longmont homes for sale

Questions people ask about homes with a basement in Longmont

How many homes with a basement are for sale in Longmont right now, and what do they cost?

211 Longmont listings name a basement feature this week, from $310K to $4.5M with a median near $679K. The grid above is the live list; the count and the prices move as homes close and new ones list.

What should I check on a basement home in Longmont before I write an offer?

Finished versus unfinished, and how the square footage is reported. Moisture: efflorescence on the walls, a sump, the grade outside. Radon and egress. Write the findings into the inspection objection, not into a text after the deadline.

What is the monthly payment on the median Longmont basement home?

About $4,745 a month on the $679K median: $4,066 principal and interest at a 7 percent note rate with 10 percent down, plus roughly $396 in property tax and $283 in insurance. Add HOA or metro district dues where they apply, and a seller credit toward a buydown takes $300 to $600 a month off year one.

Where else near Longmont can I find homes with a basement?

The same search runs in the cities next door: Frederick homes with a basement for sale, Erie homes with a basement for sale, Firestone homes with a basement for sale, Dacono homes with a basement for sale. Prices step down as you leave the core and metro district taxes step up in the newer subdivisions.

Do homes with a basement cost more in Longmont?

An unfinished basement is future space at $40 to $70 a square foot to finish; a permitted finished one is bought at half the above-grade price.

Call or text 303-955-4220 with the address. A live person answers and sends the disclosures and the last sales on that street the same day.

Need help comparing Longmont basement homes?

Kenna Real Estate Group can help you compare basement finish, layout, photos, disclosures, and price before you tour homes in Longmont.

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