Boulder County property record for 600 Marshall Rd, Superior, CO 80027
| Property Type | Commercial |
|---|---|
| Details | 151,250 sqft · built 1999 |
| Lot Size | 13.4 acres (587,357 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,589,424 (Sep 1999) |
| Tax Bill | $455,749 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-13-0-21-001 |
| Primary APN | 1577-13-0-21-001 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 151,250 sqft Gross Area |
| 1st Floor Area | 151,178 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2006 |
| Construction Type | Concrete Block |
| Lot Area | 587,357 sqft |
| Total Buildings | 2 Buildings |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | R0142266 |
|---|---|
| Street Address | 600 MARSHALL RD |
| City | SUPERIOR |
| State | CO |
| Zip | 80027-9730 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | LOT 1 BLK 1 SUPERIOR MARKETPLACE FLG 1 COSTCO |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 24 |
| Legal Subdivision | SUPERIOR MARKETPLACE FLG 1 - SP |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1028 |
| Census Tract | 60602 |
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 | 999 LAKE DR, ISSAQUAH, WA 98027-8990 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 8, 1999 · Amount on Record |
| Deed Sale | Sep 8, 1999 · Amount on Record |
| Deed Document Number | 19991979479 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Superior Town |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,337,500 (-7.41%) Land $1,029,675 Building $2,307,825 | $13,350,000 (-) Land $4,118,700 Building $9,231,300 | |
| 2025 | $455,749.00 (-0.9%) | $3,604,500 (-3.23%) Land $1,112,049 Building $2,492,451 | $13,350,000 (-) Land $4,118,700 Building $9,231,300 |
| 2023 | $459,871.00 (-3.49%) | $3,724,650 (-0.44%) Land $844,533 Building $2,880,117 | $13,350,000 (+3.49%) Land $3,027,000 Building $10,323,000 |
| 2022 | $476,502.00 | $3,741,000 Land $877,830 Building $2,863,170 | $12,900,000 Land $3,027,000 Building $9,873,000 |
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 1 (2013) |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 43% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | SUPERIOR MD NO 1 serves 17,900 people · EPA ID CO0107725 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Treatment failure resolved · Dec 2021 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 225 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| LiveWireNet Fixed Wireless | 250 / 100 |
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