Boulder County property record for 1645 Bear Mountain Dr, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.25 ba · 2,408 sqft · built 1974 |
| Lot Size | 0.381 acres (16,612 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $145,000 (Feb 1979) |
| Tax Bill | $10,893 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-18-1-08-008 |
| Primary APN | 1577-18-1-08-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,408 sqft Living Area |
| Gross Area | 4,260 sqft |
| 1st Floor Area | 1,204 sqft |
| Upper Floors Area | 1,204 sqft |
| Basement Area | 1,204 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 16,612 sqft (0.381 acres) |
| Garage Type | Attached |
| Garage Area | 648 sqft |
| Parking Spaces | 2 Parking Spaces |
| Greenhouse | Greenhouse |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0009716 |
|---|---|
| Street Address | 1645 BEAR MOUNTAIN DR |
| City | BOULDER |
| State | CO |
| Zip | 80305-6836 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 8 DEVILS THUMB 5 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 07 |
| Legal Subdivision | DEVILS THUMB 5 - BO |
| Legal Block | 3 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 12510 |
Source: Boulder County records, 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 Record |
|---|---|
| Mailing Address | 1645 BEAR MOUNTAIN DR, BOULDER, CO 80305-6836 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 27, 1979 · Amount on Record |
| Deed Sale | Feb 27, 1979 · Amount on Record |
| Prior Sale | Oct 19, 1976 · Amount on Record |
| Deed Document Number | 1979324733 |
| Last Transfer Date | Jan 25, 1994 |
| Transfer Doc | 0001393221 |
| Record Updated | Sep 20, 2026 |
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 | $131,097 (+8.8%) Land $93,017 Building $38,080 | $1,927,900 (-) Land $1,367,900 Building $560,000 | |
| 2025 | $10,893.00 (+3.01%) | $120,494 (-9.3%) Land $85,494 Building $35,000 | $1,927,900 (-2.77%) Land $1,367,900 Building $560,000 |
| 2023 | $10,575.00 (+18.02%) | $132,847 (+28.43%) Land $98,175 Building $34,672 | $1,982,800 (+33.22%) Land $1,465,300 Building $517,500 |
| 2022 | $8,960.00 | $103,440 Land $75,734 Building $27,706 | $1,488,350 Land $1,089,700 Building $398,650 |
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 17 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 5 (1978–2013) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Sep 2013 · Severe Storms, 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 82% of the US · above 85% of Colorado |
|---|---|
| Wildfire Likelihood | 0.7% 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 | 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 458 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 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: Verizon.
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