Boulder County property record for 10151 E County Line Rd, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,197 sqft · built 1890 |
| Lot Size | 3.51 acres (153,111 sqft) |
| Owner | Company Name on Record |
| Last Sale | $4,745,700 (Apr 2024) |
| Tax Bill | $5,700 (2025) |
| Deeds & Mortgages | Apr 2020 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-12-0-00-002 |
| Primary APN | 1315-12-0-00-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 3,197 sqft Living Area |
| Gross Area | 3,879 sqft |
| 1st Floor Area | 1,788 sqft |
| Upper Floors Area | 1,409 sqft |
| Basement Area | 682 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 153,111 sqft |
| Porch | Porch |
|---|---|
| Porch Area | 136 sqft |
| Patio Area | 126 sqft |
| Total Buildings | 3 Buildings |
| Heating System | Hot Water |
|---|
| Account Number | R0050767 |
|---|---|
| Street Address | 10151 E COUNTY LINE RD |
| City | LONGMONT |
| State | CO |
| Zip | 80501-9105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | 3.8 AC NE 1/4 NE 1/4 12-2N-69 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 12 |
| Legal Subdivision | TR, NBR 201,202,204,205,241-256 LGT |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 13402 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 7, BOULDER, CO 80306-0007 |
| Owner Type | Company |
| Vesting | Limited Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 29, 2024 · Amount on Record |
| Deed Sale | Apr 29, 2024 · Amount on Record |
| Prior Sale | Dec 18, 2008 · Amount on Record |
| Deed Document Number | 20244045232 |
| Prior Transfer Date | Dec 17, 2008 |
| Prior Transfer Doc | 0002969391 |
| Record Updated | Oct 29, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 10151 E COUNTY LINE RD, LONGMONT, CO 80501-9105 |
| Document Number | 0003782469 |
| Instrument Date | Apr 28, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 25, 2020 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Address | 3111 28TH ST BOULDER CO 803011315, BOULDER, CO 80301-1315 |
| Document Number | 0003782469 |
|---|---|
| Date | May 6, 2020 |
| Instrument | 3782469 |
| Name | ANB BK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Term | 24 Months |
|---|---|
| Due | May 5, 2022 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $52,238 (-0.29%) Land $36,067 Building $16,171 | $838,200 (-) Land $600,400 Building $237,800 | |
| 2025 | $5,700.00 (+18.75%) | $52,388 (-0.67%) Land $37,525 Building $14,863 | $838,200 (+6.48%) Land $600,400 Building $237,800 |
| 2023 | $4,800.00 (+11.21%) | $52,743 (+25.32%) Land $39,095 Building $13,648 | $787,200 (+29.99%) Land $583,500 Building $203,700 |
| 2022 | $4,316.00 | $42,088 Land $29,774 Building $12,314 | $605,590 Land $428,400 Building $177,190 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 98.4% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF LONGMONT serves 104,178 people · EPA ID CO0107485 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 129 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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