Boulder County property record for 5303 Spine Rd, Boulder, CO 80301
| Property Type | Mixed Use Store/Office |
|---|---|
| Details | 31,816 sqft · built 2000 |
| Lot Size | 2.5 acres (109,012 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,650,000 (Oct 2013) |
| Tax Bill | $142,336 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-11-2-19-002 |
| Primary APN | 1463-11-2-19-002 |
|---|---|
| Alternative APNs |
|
| Units | 4 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 31,816 sqft Gross Area |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2006 |
| Construction Type | Concrete Block |
| Lot Area | 109,012 sqft |
| Cooling System | Package A/C |
|---|---|
| Heating System | HVAC |
| Account Number | R0512377 |
|---|---|
| Street Address | 5303 SPINE RD |
| City | BOULDER |
| State | CO |
| Zip | 80301-3300 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Mixed Use Store/Office |
| Legal Description | LOT 3B GUNBARREL BUSINESS PARK RPLT A |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 11 |
| Legal Subdivision | GUNBARREL BUSINESS PARK RPLT A |
| Legal Block | 5 |
| Legal Lot Number | 3B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 5 |
| Census Block | 5004 |
| Census Tract | 12705 |
5303 Spine Rd, a commercial property, is owned by a company that bought it in October 2013.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1800 GLENARM PL, 702, DENVER, CO 80202-3829 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 22, 2013 · Amount on File |
| Deed Sale | Oct 22, 2013 · Amount on File |
| Deed Document Number | 20133349078 |
| Prior Transfer Date | Oct 21, 2013 |
| Prior Transfer Doc | 0003349078 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5303 Spine Rd was $142,336.
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 | $1,477,500 (-7.41%) Land $329,075 Building $1,148,425 | $5,910,000 (-) Land $1,316,300 Building $4,593,700 | |
| 2025 | $142,336.00 | $1,595,700 Land $355,401 Building $1,240,299 | $5,910,000 Land $1,316,300 Building $4,593,700 |
| 2023 | $140,950.00 (+3.85%) | $1,632,150 (+11.67%) Land $242,451 Building $1,389,699 | $5,850,000 (+16.07%) Land $869,000 Building $4,981,000 |
| 2022 | $135,730.00 | $1,461,600 Land $252,010 Building $1,209,590 | $5,040,000 Land $869,000 Building $4,171,000 |
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.
FEMA maps place 5303 Spine Rd in Zone X, an area of minimal flood risk.
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.
The area around 5303 Spine Rd has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 76 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 |
May also be available: CenturyLink, T-Mobile, Verizon.
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