Boulder County property record for 855 Union Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 3.5 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1990 |
| Square Footage | 2,328 sqft Living Area |
| Lot Size | 7,216 sqft (0.166 acres) |
| Last Sale | $1,500,000 (2024) |
| Tax Bill | $3,870.00 (2025) |
| Primary APN | 1461-13-1-26-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,328 sqft Living Area |
| 1st Floor | 2,328 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 7,216 sqft (0.166 acres) |
| Deck Area | 526 sqft Deck |
| Porch | Porch |
| Porch Area | 54 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0618277 |
|---|---|
| Street Address | 855 UNION AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0708 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 3A PARIS SUBDIVISION REPLAT A |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 13 |
| Legal Subdivision | PARIS SUBDIVISION REPLAT A |
| Legal Block | 1 |
| Legal Lot Number | 3A |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1008 |
| Census Tract | 12104 |
Source: Boulder County records · APN 1461-13-1-26-003
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 | 6604 BIRD CLIFF WAY, NIWOT, CO 80503-8633 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Jun 09, 2025 | Deed of Trust, Mortgage · Building or Construction Mortgage ELEVATIONS CU |
| Jun 17, 2024 | Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Apr 21, 2022 | Transfer on Death Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20244050834 |
| Prior Transfer Date | Apr 20, 2022 |
| Prior Transfer Doc | 0003957868 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 855 UNION AVE, BOULDER, CO 80304-0708 |
| Transaction Type | Mortgage |
| Record Updated | Feb 09, 2026 |
| Name | Verified Name |
|---|---|
| Address | 6044 BIRD CLIFF WAY, NIWOT, CO 80503 |
| Document Number | 0004090704 |
|---|---|
| Date | Jun 09, 2025 |
| Instrument | 4090704 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 24 Months |
| Due | Jun 09, 2027 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 17, 2024 |
| Property Address | 855 UNION AVE, BOULDER, CO 80304-0708 |
| Document Number | 0004050834 |
| Instrument Date | Jun 12, 2024 |
| Instrument | 4050834 |
| Transaction Type | Transfer |
| Record Updated | Feb 09, 2026 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $150.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 855 UNION AVE, BOULDER, CO 80304-0708 |
| Name | Verified Name |
|---|---|
| Address | 6604 BIRD CLIFF WAY, NIWOT, CO 80503-8633 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 21, 2022 |
| Property Address | 855 UNION AVE, BOULDER, CO 80304-0708 |
| Document Number | 0003957868 |
| Instrument Date | Apr 20, 2022 |
| Instrument | 3957868 |
| Transaction Type | Transfer |
| Record Updated | Feb 09, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 855 UNION AVE, BOULDER, CO 80304-0708 |
| Name | Verified Name |
|---|---|
| Address | 1317 CODDINGTON RD, BROOKTONDALE, NY 14817-9541 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $44,162 (+8.8%) Land $39,746 Building $4,416 | $649,445 (-) Land $584,500 Building $64,945 | |
| 2025 | $3,870.00 (-54.21%) | $40,590 (-59.35%) Land $36,531 Building $4,059 | $649,445 (-56.42%) Land $584,500 Building $64,945 |
| 2024 | $8,451.00 (+9.38%) | ||
| 2023 | $7,726.00 (+22.32%) | $99,857 (+33.2%) Land $89,871 Building $9,986 | $1,490,400 (+38.17%) Land $1,341,360 Building $149,040 |
| 2022 | $6,316.00 | $74,970 Land $67,473 Building $7,497 | $1,078,700 Land $970,830 Building $107,870 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures