Boulder County property record for 1670 Bear Mountain Dr, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 2,640 sqft · built 1971 |
| Lot Size | 0.174 acres (7,585 sqft) |
| Owner | Company Name on Record |
| Last Sale | $83,000 (Aug 1977) |
| Tax Bill | $8,384 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-07-4-09-001 |
| Primary APN | 1577-07-4-09-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,640 sqft Living Area |
| Gross Area | 3,460 sqft |
| 1st Floor Area | 1,342 sqft |
| Upper Floors Area | 1,298 sqft |
| Basement Area | 380 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,585 sqft (0.174 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 466 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0014349 |
|---|---|
| Street Address | 1670 BEAR MOUNTAIN DR |
| City | BOULDER |
| State | CO |
| Zip | 80305-6838 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 39 BLK 1 DEVILS THUMB 2 & 0.03 AC M/L TRACT B |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 07 |
| Legal Subdivision | DEVILS THUMB 2 - BO |
| Legal Tract | B |
| Legal Block | 1 |
| Legal Lot Number | 39 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 1670 BEAR MOUNTAIN DR, BOULDER, CO 80305-6838 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 9, 1977 · Amount on Record |
| Deed Sale | Aug 9, 1977 · Amount on Record |
| Prior Sale | Jul 3, 1974 · Amount on Record |
| Deed Document Number | 1977236070 |
| Last Transfer Date | Dec 10, 2004 |
| Transfer Doc | 0002650515 |
| 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 | $102,470 (+8.8%) Land $63,662 Building $38,808 | $1,506,900 (-) Land $936,200 Building $570,700 | |
| 2025 | $8,384.00 (+2.63%) | $94,182 (-10.29%) Land $58,513 Building $35,669 | $1,506,900 (-3.83%) Land $936,200 Building $570,700 |
| 2023 | $8,169.00 (+17.39%) | $104,983 (+28.2%) Land $68,079 Building $36,904 | $1,566,900 (+32.98%) Land $1,016,100 Building $550,800 |
| 2022 | $6,959.00 | $81,892 Land $52,924 Building $28,968 | $1,178,300 Land $761,500 Building $416,800 |
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 | 7 in force |
| Nearby Flood Claims | 1 (1997) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 1997 · rainfall accumulation |
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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures