shinnslist · towns · Longmont
Off-market homes in Longmont, Colorado: what shinnslist can show today
Bottom line: 8 of shinnslist’s 10 buyer personas reach Longmont (Wholesaler and Realtor and Flipper and Developer and Cash investor and Fix and rent and Land and Family compound), built from Boulder County records. It is a free beta: nothing is for sale, and nothing here predicts that an owner will sell.
Free beta 9 of 10 personas open · 263 of 313 signals proven · as of October 19, 2026
Longmont at a glance
What shinnslist knows about Longmont
| Place | Longmont is a city on the plains, in Boulder County. The part of Longmont in Weld County is in shinnslist’s records (Weld County’s own parcel data, since October 16, 2026), but no persona reaches it yet. |
|---|---|
| ZIP codes | 80501 80503 80504 |
| Records | Boulder County Assessor: where the tax bill is mailed, recorded sales and the county’s 2026 values. |
| Wholesaler | reaches Longmont Owners whose tax bill goes to another address, who have held the place 10 years or more and paid less than half of what the county says it is worth now. Ranked by what led to profitable deals in Boulder County’s own sales records: a recent estate record on the title first, then heirs holding it, then 30 years or more held, with trouble on the county’s record (unpaid taxes, a foreclosure filing, a vacant or neglected home, an eviction, liens, heirs each owning a share) each adding once. Boulder County. Open the Wholesaler list |
| STR investor | not here That persona covers second homes in 28 mountain-town squares (Estes Park, Drake, Glen Haven, Allenspark, Nederland, Ward, Jamestown, Gold Hill, Lyons, Breckenridge, Blue River, Frisco, Dillon, Silverthorne, Keystone, Vail, Minturn, Avon, Edwards, Eagle, Gypsum, Winter Park, Fraser, Tabernash, Granby, Grand Lake, Hot Sulphur Springs, Kremmling). Longmont is not one of them. |
| Realtor | reaches Longmont Homes held 10 years or more with a real life event or distress sign on the county’s record: the taxes are unpaid and the home is on Larimer County’s 2026 tax lien sale list (the treasurer publishes it before the November 19 sale; a Larimer home counts as long held when the county’s seven-year sales record shows no sale of its own), the owner of record is an estate (the owner has died and the estate holds the title, so the heirs or the estate’s representative decide what happens next), an estate record on the title in the last 3 years with no sale since (a death certificate or affidavit, or a personal representative’s deed passing the home to the heirs: of Boulder County homes with one a year ago, 13.5% sold within 12 months, against 4.0% of all homes), the county has confirmed a code violation there or is acting on one (zoning, building, weeds), or a building permit for a new house, an addition or a remodel has gone cold (open 18 months to 6 years, or expired). Newest county record first. Boulder County and the Estes Park end of Larimer County; in every county, the owner of record reads as an estate or its heirs in the county’s own owner name (ESTATE OF, DECEASED, HEIRS, PERSONAL REPRESENTATIVE), on a home held 10 years or more where the county says how long. Open the Realtor list |
| Flipper | reaches Longmont Single-family homes the county has not re-rated since they were built (1990 or before), with no remodel on its record, held 10 years or more, in neighborhoods where updated homes of a similar size sold for at least 30% more per square foot than this home’s county value, in sales the county qualified as arm’s-length. Widest gap first. Boulder County (its sales of the last two years, and its permits) and Adams County (the qualified sales of July 2022 to June 2024 the county set its values with, at its price for June 30, 2024). Open the Flipper list |
| Developer | reaches Longmont Single-family lots where the county values the land at 70% or more of the whole, so the house adds little: teardown, rebuild and infill ground, with each lot’s size (and its zoning in Boulder County and Broomfield). Held 10 years or more. Most valuable land first. Boulder, Larimer, Weld, Adams, Jefferson, Broomfield and Eagle counties. Open the Developer list |
| Cash investor | reaches Longmont A first cut at rent against price for a cash buy: homes the county values at $150,000 or more where a year of the census tract’s median rent comes to 8% to 15% of the county’s value. The rent is the area’s median for rented homes (for homes with the same number of bedrooms where Boulder County’s building file gives the count and the survey publishes one), from the Census Bureau’s American Community Survey 2020–2024: never this house’s rent, and each card says so. Above 15% the county value is seldom a market price (a deed-restricted home, a partial interest) or the area’s rent does not describe the home, so those are left out. Highest share first. Every county in the hunt with county values. Open the Cash investor list |
| Fix and rent | reaches Longmont The Flipper door’s dated homes (not re-rated by the county since they were built, no remodel on its record, held 10 years or more, with updated homes of their size nearby selling for 30%+ more per square foot in sales the county qualified), ranked by how much of the county’s value a year of the census tract’s median rent comes to, for homes with the same number of bedrooms where the survey publishes it: fix, then rent at about the area’s median. The rent is the area’s median from the Census Bureau’s American Community Survey 2020–2024: never this house’s rent, and each card says so. Boulder and Adams counties, where the dated-home facts are. Open the Fix and rent list |
| Land | reaches Longmont Vacant residential land in Boulder, Larimer, Weld, Broomfield, Summit and Eagle counties: the county’s record shows the land with no house on it (Boulder County also lists its no-value residential land, vacant lots and patented mining claims; Larimer County its town land with no building; Summit and Eagle counties by the state’s vacant land classes: residential lots, planned-unit lots and acreage). Biggest first, with the county’s acreage and value. Government, minerals-only, commercial and industrial land, and land the county marks non-buildable, stay out. Lots last bought in one sale of 3 or more lots, a builder’s or developer’s inventory, are hidden behind their own count: tick it to see them. Utilities and zoning come next. Open the Land list |
| Family compound | reaches Longmont Every lot in the nine counties with room for a second household without building new: two homes on one lot, a duplex, triplex or fourplex, a second building of 400 sq ft or more on the aerial (a garage, barn or shop to turn into a unit, recorded or not), a walk-out basement with its own door, or a big house to split. Camps and compounds too: a camp or retreat, a campground with cabins, a lodge or bed and breakfast, or lodging with three or more buildings on five acres or more, from the county’s own class. Each card says how the second unit gets its own door. Open the Family compound list |
| Not open yet | No money down: each waits for data that is real (what each still needs). |
What the hand checks found in Boulder County
- Boulder County rows carry the ZIP of the county’s own address points (since October 16, 2026). A card names the town by that ZIP where it is a mountain town’s (Lyons, Nederland, Allenspark, Ward, Jamestown); the county files most mountain parcels as unincorporated, so elsewhere it says “near” the town whose square holds the parcel.
- A sale shinnslist holds for a Boulder County parcel matched the county’s own record 13 times out of 13 checked; but some parcels have a county sale our data is missing (5 of 10 checked), so a missing sale is never read as “no sale”.
Signals proven on test parcels in Boulder and Larimer counties: Best Value Number; Rent Potential Calculator; Hidden Water Feature; Water Rights Well; Micro Trend Radar; Income Stack Score; Cost To Activate Gap; Best Fit Buyer; Keep One Wall Tax; Per Parcel Real Costs; On Market Deal Score; Zoning Arbitrage; Mislisted Sqft; Improvement Zone Between Hnw; No Airbnb License Acreage; Mixed Zoning Live Work; Alphaearth Core; Code Violation X Tall Grass; Tax Delinquency Early Warning Formula; Auction Underbidder Join; Foreclosure Surplus Join; Tax Delinquency Early Warning; OpenFEMA Flood Buyout; Burn Scar / Fire Channel; Water X Distress Matrix; Foreclosure Nod Join; Probate Preprobate X Parcel; Absentee Entity High Equity; Estate Sales; Dumpster Out Front; Unkept Property; Retirement Home Visitors; Fb Marketplace Downsizing; Rent Back Timeshare; STR Attached Home Premium; Dscr Projected Income List; Land Renewable Lease Loan; Off Market Business Inventory; Cabin; Farm; Off Grid; Prepped; Horse / Equestrian; Waterfall; River Frontage, Rights & Flood Risk; Greenhouse / Attached Greenhouse Houses; Acreage; Hunting; Ranching; Old American Mansions / Architectural Styles; Investor Specials; Barndominiums; Earthships; Hobbit Homes; Recording Studios; Interior Design Styles; STR Analysis Site Pattern; Public Land Access Verify; Vacant Nod Zombie; Code Lien Foreclosure; Early Change Motivation Score; Fresh Verified Distress Stack; Parcel Buildability Score; Stalled Permit Distress; Heir Property Fractional; Fire Casualty Permit; Investor Concentration Index; Vacant Land Owner Distress Join; Property Condition Risk Score; Listing Truth Gap; Tenant Turnover Maintenance Risk; Hoa Superpriority Lien; Commercial Listing Staleness Score; Gold Stream Prospecting; Waterfall Build Site; List Saturation Index; Seller Trust Score; Rehab Cost Estimator; Data Center Land Siting; Wildfire Insurance Mitigation; Seasonal Water Temporal; Water Diversion Pond Feasibility; Camp Lodge Cabin Conversion; Bedroom Add Arbitrage; Lot Split Subdivision Potential; Adu Duplex Eligibility; STR Lease Arbitrage Absentee; Military Assumable Loan; Hyperlocal Catalyst Monitor; Distress Stack Conviction Score; Offmarket Probability Engine; Teardown Option Value; Water Value Stack; STR Regulatory Arbitrage Map; Insurance Mitigation Value; Lien Stack Priority; Heir Fractional Assemblage; Catalyst Front Run; Bedroom Adu Value Uplift; Adverse Possession Ripening Join; Motel OPM Guaranteed Occupancy; Grant Stacked Land Yield; Absentee STR Conversion Funnel; Tired Landlord Composite; Squatter Occupancy Signal; Tired Landlord to Seller; Geotagged Photo Distress Mine; Neglect Imagery Timeseries; Yard To Storage Conversion; Search Intent Distress Trend; Mechanic Lien Distress; Parcel Insurance Cost Insurability; Deed Fraud Watch; Appraisal Gap Risk; Post Purchase Tax Reassessment; Self Storage Retiring Owner; Commercial Distress Vacancy Signal; Rent Control Regulatory Risk; Rent Payment Reliability; Damage Protection Gap; Platform Support Failure; Well Depth Drill Cost; Ai Title Abstract; Condo Assessment Distress Join; Mineral Royalty Suspense Join; Aggregate Reserve Distress Join; Air Rights Sending Site Join; Assumable Mortgage Under 4pct; Built 100+ Years Ago; Dormant Mineral Abandonment Join; EGS Geothermal Site Join; Exchange Window Join; Farm or Ranch; Grazing Allotment AUM Join; Historic Farm, Mill or Plantation; Hunting Lease Income Join; Landlocked Access Join; Lithium Brine Rights Join; Nonconformity Envelope Join; Old Farm Building; Old Landmark Building; Pore Space Sequestration Join; Seasonal Water (Wetland) Join; Stalled Permit Join; Stormwater Fee X Impervious Join; Well Drill Feasibility Join; Wildfire Insurability Join; Zombie Subdivision Plat Join. The truth table has the dates and scores.
By the numbers
Longmont in the county records
| Parcels in the hunt | 37,342 parcels the county files as homes or residential land in Longmont. |
|---|---|
| Tax bill mailed elsewhere | Not shown: most parcels here have no mailing address on file in shinnslist’s copy of the county record. |
| Years since the last sale | Median 12 years, from 36,304 parcels with a recorded sale: under 5 years 7,331, 5 to 9 8,300, 10 to 19 8,524, 20 or more 12,149. |
| Property types | As the county labels them: Residential 1,372; Agricultural 11. |
Source: shinnslist (county records), read October 16, 2026. How the counts are made and graded: How we grade. Nothing here predicts that an owner will sell. These are counts of public county records.
Topics
What you can look for in Longmont
| Wholesaler | 363 owners whose mail goes elsewhere, held 10+ years, bought for under half of today’s value. Wholesaler in this town · Open the Wholesaler list |
|---|---|
| STR investor | none here yet mountain-town homes whose owner’s mail goes elsewhere. Open the STR investor list |
| Realtor | 292 long-held homes on the county’s tax lien sale list, with an estate on title or a recent estate record, a county code violation, or a stalled building permit. Realtor in this town · Open the Realtor list |
| Flipper | 802 dated homes where updated ones nearby sold for 30%+ more per square foot. Flipper in this town · Open the Flipper list |
| Developer | 12 lots where the county says the land is 70%+ of the value. Open the Developer list |
| Cash investor | 262 homes where a year of the area’s median rent is 8% to 15% of the county’s value. Cash investor in this town · Open the Cash investor list |
| Fix and rent | 802 dated homes, ranked by the area’s median rent against the county’s value. Fix and rent in this town · Open the Fix and rent list |
| Land | 447 empty residential lots and acreage, with no house on the county’s record. Land in this town · Open the Land list |
| Family compound | 8,519 room for two families without building new: two homes, a duplex to fourplex, a garage, barn or shop to convert, a walk-out basement. Family compound in this town · Open the Family compound list |
Questions
Longmont questions, answered from the records
Can shinnslist find off-market homes in Longmont, Colorado?
In a free beta, partly. 8 of its 10 buyer personas reach Longmont: Wholesaler and Realtor and Flipper and Developer and Cash investor and Fix and rent and Land and Family compound. They show parcels whose county records fit the trade (for example, the owner’s tax bill goes to another address), not homes known to be for sale. The other personas are not open yet.
What public records does shinnslist use for Longmont?
Boulder County Assessor: where the tax bill is mailed, recorded sales and the county’s 2026 values.
Does shinnslist know which Longmont owners will sell?
The ranking of who is most likely to sell has been graded on 2 days so far; the record is on How we grade.
Is shinnslist free?
The hunt is free while in beta and needs no account. The only thing sold is county tax lien sale packs ($29 a county, $79 for the Colorado season pass) at /liens/.
Why does the STR investor list skip Longmont?
That persona covers second homes in 28 mountain-town squares (Estes Park, Drake, Glen Haven, Allenspark, Nederland, Ward, Jamestown, Gold Hill, Lyons, Breckenridge, Blue River, Frisco, Dillon, Silverthorne, Keystone, Vail, Minturn, Avon, Edwards, Eagle, Gypsum, Winter Park, Fraser, Tabernash, Granby, Grand Lake, Hot Sulphur Springs, Kremmling). Longmont is not one of them.
Hear when your persona goes live in Longmont
Leave your email and the persona you work in. Nothing else is sent.