Boulder County property record for 429 E 4th Ave, Longmont, CO 80504
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,375 sqft · built 1971 |
| Lot Size | 0.168 acres (7,326 sqft) |
| Owner | Individual Name on File |
| Last Sale | $145,000 (Aug 2009) |
| Tax Bill | $2,740 (2025) |
| Deeds & Mortgages | May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-02-4-11-005 |
| Primary APN | 1315-02-4-11-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,375 sqft Living Area |
| 1st Floor Area | 1,375 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Roof Material | Asphalt |
| Lot Area | 7,326 sqft (0.168 acres) |
| Patio Area | 180 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0044173 |
|---|---|
| Street Address | 429 E 4TH AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80504-6006 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 108 DOLLHOUSE VILLAGE 1 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | DOLLHOUSE VILLAGE 1 - LG |
| Legal Block | 1 |
| Legal Lot Number | 108 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 13402 |
Source: Boulder County assessment roll, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1524 CHAPMAN LN, LONGMONT, CO 80501-6712 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 3, 2009 · Amount on Record |
| Deed Sale | Aug 3, 2009 · Amount on Record |
| Prior Sale | Dec 10, 2007 · Amount on Record |
| Deed Document Number | 20093020687 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 429 E 4TH AVE, LONGMONT, CO 80504-6006 |
| Transaction Type | Mortgage |
| Record Updated | Jul 26, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0003883476 |
|---|---|
| Date | May 10, 2021 |
| Instrument | 3883476 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | May 1, 2036 |
Source: Boulder County assessment roll, as of June 15, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $28,403 (+8.8%) Land $10,934 Building $17,469 | $417,700 (-) Land $160,800 Building $256,900 | |
| 2025 | $2,740.00 (+18.67%) | $26,106 (-7.32%) Land $10,050 Building $16,056 | $417,700 (-0.64%) Land $160,800 Building $256,900 |
| 2023 | $2,309.00 (+9.69%) | $28,167 (+32.39%) Land $11,109 Building $17,058 | $420,400 (+37.33%) Land $165,800 Building $254,600 |
| 2022 | $2,105.00 | $21,276 Land $7,840 Building $13,436 | $306,120 Land $112,800 Building $193,320 |
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.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 101 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| City of Longmont Fiber | 10,000 / 10,000 |
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Lumen Technologies DSL | 140 / 20 |
| JAB Wireless Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures