Boulder County property record for 303 17th Ave, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.75 ba · 970 sqft · built 1910 |
| Lot Size | 0.172 acres (7,478 sqft) |
| Owner | Company Name on File |
| Last Sale | $400,000 (Oct 2025) |
| Tax Bill | $3,220 (2025) |
| Deeds & Mortgages | Oct 2025 Sale & Mortgage Apr 2021 Mortgage + 3 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 1205-34-1-06-001 |
| Primary APN | 1205-34-1-06-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 970 sqft Living Area |
| Gross Area | 1,190 sqft |
| 1st Floor Area | 772 sqft |
| Upper Floors Area | 198 sqft |
| Basement Area | 220 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,478 sqft (0.172 acres) |
| Garage Type | Detached |
| Garage Area | 864 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Slab |
| Porch Area | 160 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0045073 |
|---|---|
| Street Address | 303 17TH AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80501-2806 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 5 HAMILTON HEIGHTS |
| Legal Range | 69 |
| Legal Township | 3N |
| Legal Section | 27 |
| Legal Subdivision | HAMILTON HEIGHTS - LG |
| Legal Block | 5 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 13503 |
Source: Boulder County records · APN 1205-34-1-06-001
Assessment roll updated June 15, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Oct 16, 2025 | Special Warranty Deed, Transfer · Commercial Mortgage NATHAN M JOESPHS FAMILY TRUST |
| Apr 26, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HOME LOANS INC |
| Dec 22, 2020 | Loan Modification, Mortgage HIGH PLAINS BK |
| Sep 17, 2020 | Loan Modification, Mortgage HIGH PLAINS BK |
| Apr 17, 2020 | Personal Representative Deed, Transfer · Commercial Mortgage HIGH PLAIN BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 16, 2025 · Amount on Record |
| Deed Sale | Oct 16, 2025 · Amount on Record |
| Prior Sale | Mar 10, 2008 · Amount on Record |
| Deed Document Number | 20254105961 |
| Prior Transfer Date | Mar 04, 2008 |
| Prior Transfer Doc | 0002915159 |
| Record Updated | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 16, 2025 |
| Property Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Document Number | 0004105961 |
| Instrument Date | Oct 15, 2025 |
| Instrument | 4105961 |
| Transaction Type | Transfer |
| Record Updated | Nov 10, 2025 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $40.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Document Number | 0004105963 |
|---|---|
| Date | Oct 16, 2025 |
| Instrument | 4105963 |
| Name | NATHAN M JOESPHS FAMILY TRUST |
|---|---|
| Type | Private Party |
| Address | 21954 BOCA WOODS LN S, BOCA RATON, FL 33428 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Oct 15, 2045 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Transaction Type | Mortgage |
| Record Updated | Jul 11, 2023 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN |
| Name | Verified Name |
|---|
| Document Number | 0003879874 |
|---|---|
| Date | Apr 26, 2021 |
| Instrument | 3879874 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2051 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Document Number | 0003845019 |
| Instrument Date | Dec 22, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 01, 2021 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Address | 1015 CONFIDENCE DR LONGMONT CO 805048486, LONGMONT, CO 80504-8486 |
| Document Number | 0003845019 |
|---|---|
| Date | Dec 23, 2020 |
| Instrument | 3845019 |
| Name | HIGH PLAINS BK |
|---|---|
| Type | Bank |
| Address | LONGMONT, CO 80501 |
| Amount | Amount Recorded |
|---|
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Document Number | 0003818068 |
| Instrument Date | Sep 17, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Oct 22, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 1015 CONFIDENCE DR LONGMONT CO 805048486, LONGMONT, CO 80504-8486 |
| Document Number | 0003818068 |
|---|---|
| Date | Sep 24, 2020 |
| Instrument | 3818068 |
| Name | HIGH PLAINS BK |
|---|---|
| Type | Bank |
| Address | LONGMONT, CO 80501 |
| Amount | Amount Recorded |
|---|
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 17, 2020 |
| Property Address | 303 17TH AVE, LONGMONT, CO 80501-2806 |
| Document Number | 0003778173 |
| Instrument Date | Apr 15, 2020 |
| Instrument | 3778173 |
| Transaction Type | Transfer |
| Record Updated | Jul 26, 2022 |
| Title Company | COLORADO ESCROW & TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $17.60 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1015 CONFIDENCE DR, LONGMONT, CO 80504-8486 |
| Document Number | 0003778174 |
|---|---|
| Date | Apr 17, 2020 |
| Instrument | 3778174 |
| Name | HIGH PLAIN BANK |
|---|
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $33,381 (+8.8%) Land $8,065 Building $25,316 | $490,900 (-) Land $118,600 Building $372,300 | |
| 2025 | $3,220.00 (+9.15%) | $30,682 (-0.51%) Land $7,413 Building $23,269 | $490,900 (-4.74%) Land $118,600 Building $372,300 |
| 2024 | $2,950.00 (+1.41%) | $30,840 (-10.67%) Land $4,482 Building $26,358 | $515,300 (-) Land $121,900 Building $393,400 |
| 2023 | $2,909.00 (+11.33%) | $34,525 (+30.73%) Land $8,167 Building $26,358 | $515,300 (+35.61%) Land $121,900 Building $393,400 |
| 2022 | $2,613.00 | $26,410 Land $5,977 Building $20,433 | $380,000 Land $86,000 Building $294,000 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| City of Longmont Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Lumen Technologies DSL · Fiber in parts of the area | 140 / 20 |
May also be available: AT&T, T-Mobile USA.
Based on FCC filings for 559 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF LONGMONT serves 104,178 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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