Boulder County property record for 865 Union Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.166 acres (7,223 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,870 (2025) |
| Deeds & Mortgages | Jun 2025 Construction Loan |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-1-54-002 |
| Primary APN | 1461-13-1-54-002 |
|---|---|
| Alternative APN |
|
| Lot Area | 7,223 sqft (0.166 acres) |
|---|
| Account Number | R0618278 |
|---|---|
| Street Address | 865 UNION AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0708 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3B PARIS SUBDIVISION REPLAT A |
| Legal Subdivision | PARIS SUBDIVISION REPLAT A |
| Legal Lot Number | 3B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 12104 |
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 | 6604 BIRD CLIFF WAY, NIWOT, CO 80503-8633 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 865 UNION AVE, BOULDER, CO 80304-0708 |
| Transaction Type | Mortgage |
| Record Updated | Feb 13, 2026 |
| Title Company | FIRST AMERICAN TITLE INSURANCE COMPANY MT, FIRST AMER TITLE INS COMPANY |
| Name | Verified Name |
|---|---|
| Address | 6604 BIRD CLIFF WAY, NIWOT, CO 80503-8633 |
| Document Number | 0004092293 |
|---|---|
| Date | Jun 23, 2025 |
| Instrument | 4092293 |
| Name | ANB BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 18 Months |
| Due | Dec 9, 2026 |
| Rate Type | Adjustable Rate |
|---|
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $39,746 (-2.08%) Land $35,330 Building $4,416 | $649,445 (-) Land $584,500 Building $64,945 | |
| 2025 | $3,870.00 | $40,590 Land $36,531 Building $4,059 | $649,445 Land $584,500 Building $64,945 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Flood Insurance Cost | Premium on Record median of 58 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 units insured incl. 5 condo units |
| Nearby Flood Claims | 14 (2013–2015) |
| Claims Outside the SFHA | 6 of 14 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 | Moderate above 64% of the US · above 54% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within 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 BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 460 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, CenturyLink.
5G (outdoors only) and 4G LTE
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