Boulder County property record for 375 Auburn St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,817 sqft · built 1957 |
| Lot Size | 0.166 acres (7,221 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $5,981 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-3-24-006 |
| Primary APN | 1577-05-3-24-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,817 sqft Living Area |
| Gross Area | 2,781 sqft |
| 1st Floor Area | 1,323 sqft |
| Basement Area | 1,026 sqft |
| Finished Basement | 494 sqft |
| Unfinished Basement | 532 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,221 sqft (0.166 acres) |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 432 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0011535 |
|---|---|
| Street Address | 375 AUBURN ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 22 HIGHLAND PARK 5 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK 5 - BO |
| Legal Block | 22 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2034 |
| Census Tract | 12505 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 84, STORY, WY 82842-0084 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $63,492 (+1.21%) Land $54,400 Building $9,092 | $1,003,700 (-) Land $870,000 Building $133,700 | |
| 2025 | $5,981.00 (+16.29%) | $62,731 (-0.81%) Land $54,375 Building $8,356 | $1,003,700 (+6.34%) Land $870,000 Building $133,700 |
| 2023 | $5,143.00 (+16.2%) | $63,241 (+32.68%) Land $56,917 Building $6,324 | $943,900 (+37.63%) Land $849,510 Building $94,390 |
| 2022 | $4,426.00 | $47,663 Land $42,897 Building $4,766 | $685,800 Land $617,220 Building $68,580 |
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 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 17 (1980–2015) |
| Claims Outside the SFHA | 7 of 17 |
| 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 53% of the US · lower than 63% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 515 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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