Boulder County property record for 825 Union Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.75 ba · 3,840 sqft · built 2018 |
| Lot Size | 0.169 acres (7,380 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $960,000 (Oct 2017) |
| Tax Bill | $13,042 (2025) |
| Deeds & Mortgages | Feb 2021 Mortgage Apr 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-1-48-001 |
| Primary APN | 1461-13-1-48-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.75 Baths |
| Half Baths | 4 Half Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,840 sqft Living Area |
| Gross Area | 4,272 sqft |
| 1st Floor Area | 1,226 sqft |
| Upper Floors Area | 1,396 sqft |
| Basement Area | 1,218 sqft |
| Finished Basement | 1,218 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Ranch |
| Exterior Material | Composition/Composite |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 7,380 sqft (0.169 acres) |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Porch | Porch |
| Porch Area | 298 sqft |
| Deck Area | 165 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0612950 |
|---|---|
| Street Address | 825 UNION AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0708 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 SHEETS SUBDIVISION 2 REPLAT A |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 13 |
| Legal Subdivision | SHEETS SUBDIVISION 2 REPLAT A |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 12104 |
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 825 UNION AVE, BOULDER, CO 80304-0708 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 1, 2021 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Apr 14, 2022 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 3, 2017 · Amount on Record |
| Deed Sale | Oct 3, 2017 · Amount on Record |
| Deed Document Number | 20173617935 |
| Last Transfer Date | Apr 13, 2022 |
| Transfer Doc | 0003956600 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 825 UNION AVE, BOULDER, CO 80304-0708 |
| Transaction Type | Mortgage |
| Record Updated | Apr 27, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0003854816 |
|---|---|
| Date | Feb 1, 2021 |
| Instrument | 3854816 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 14, 2022 |
| Property Address | 825 UNION AVE, BOULDER, CO 80304-0708 |
| Document Number | 0003956600 |
| Instrument Date | Apr 13, 2022 |
| Instrument | 3956600 |
| Transaction Type | Transfer |
| Record Updated | Apr 27, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 825 UNION AVE, 825, BOULDER, CO 80304-0708 |
| Name | Verified Name |
|---|---|
| Address | 825 UNION AVE, BOULDER, CO 80304-0708 |
Source: Boulder County assessment roll, as of June 15, 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 | $148,824 (+8.8%) Land $69,618 Building $79,206 | $2,188,600 (-) Land $1,023,800 Building $1,164,800 | |
| 2025 | $13,042.00 (+0.46%) | $136,788 (-11.19%) Land $63,988 Building $72,800 | $2,188,600 (-4.79%) Land $1,023,800 Building $1,164,800 |
| 2023 | $12,982.00 (+20.84%) | $154,019 (+33.13%) Land $69,827 Building $84,192 | $2,298,800 (+38.1%) Land $1,042,200 Building $1,256,600 |
| 2022 | $10,743.00 | $115,690 Land $55,948 Building $59,742 | $1,664,600 Land $805,000 Building $859,600 |
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 · 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 | High above 81% of the US · above 84% of Colorado |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 222 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| Lumen Technologies DSL | 140 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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