Boulder County property record for 21 E 4th Ave, Longmont, CO 80504 · Last verified June 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1947 |
| Square Footage | 2,210 sqft Living Area |
| Lot Size | 6,273 sqft (0.144 acres) |
| Garage | Attached, 204 sqft |
| Last Sale | $160,000 (2017) |
| Tax Bill | $4,142.00 (2025) |
| Primary APN | 1315-02-3-07-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Building Area | 2,210 sqft Living Area |
| Gross Area | 3,054 sqft Gross Area |
| 1st Floor | 930 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Ranch Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 6,273 sqft (0.144 acres) |
| Garage Type | Attached Garage |
| Garage Area | 204 sqft Garage |
| Total Buildings | 2 Total Buildings |
| Heating System | Floor/Wall Furnace Heating |
|---|
| Account Number | R0041823 |
|---|---|
| Street Address | 21 E 4TH AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80504-1405 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 7 BLK 2 MORNING SIDE |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 02 |
| Legal Subdivision | MORNINGSIDE ADDITION - LG |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 1 |
| Census Block | 1015 |
| Census Tract | 13401 |
Source: Boulder County records · APN 1315-02-3-07-005
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | 6419 LEGEND RIDGE TRL, NIWOT, CO 80503-7187 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Jun 28, 2018 | Grant Deed, Transfer ATTORNEY ONLY |
| Dec 22, 2017 | Warranty Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20173632597 |
| Prior Transfer Date | Jul 23, 2009 |
| Prior Transfer Doc | 0003018481 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 28, 2018 |
| Property Address | 21 E 4TH AVE, LONGMONT, CO 80504-1405 |
| Document Number | 0003663293 |
| Instrument Date | Jun 27, 2018 |
| Instrument | 3663293 |
| Transaction Type | Transfer |
| Record Updated | Jul 10, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | PO BOX 22140 CHEYENNE WY 820032057, CHEYENNE, WY 82003-2057 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 22, 2017 |
| Property Address | 21 E 4TH AVE, LONGMONT, CO 80504-1405 |
| Document Number | 0003632597 |
| Instrument Date | Dec 20, 2017 |
| Instrument | 3632597 |
| Transaction Type | Transfer |
| Record Updated | Jan 03, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $16.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 6419 LEGEND RIDGE TRL NIWOT CO 805037187, NIWOT, CO 80503-7187 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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 | $42,935 (+8.8%) Land $7,793 Building $35,142 | $631,400 (-) Land $114,600 Building $516,800 | |
| 2025 | $4,142.00 (+12.16%) | $39,463 (+72.47%) Land $7,163 Building $32,300 | $631,400 (+84.89%) Land $114,600 Building $516,800 |
| 2024 | $3,693.00 (+103.92%) | ||
| 2023 | $1,811.00 (+7.86%) | $22,881 (+34.82%) Land $7,839 Building $15,042 | $341,500 (+39.84%) Land $117,000 Building $224,500 |
| 2022 | $1,679.00 | $16,972 Land $5,678 Building $11,294 | $244,200 Land $81,700 Building $162,500 |
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