Boulder County property record for 851 Crescent Dr, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,946 sqft · built 1957 |
| Lot Size | 0.327 acres (14,230 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,067,500 (Dec 2024) |
| Tax Bill | $5,698 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-33-4-19-001 |
| Primary APN | 1463-33-4-19-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,946 sqft Living Area |
| 1st Floor Area | 1,946 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 14,230 sqft (0.327 acres) |
| Garage Type | Detached |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 342 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0037750 |
|---|---|
| Street Address | 851 CRESCENT DR |
| City | BOULDER |
| State | CO |
| Zip | 80303-2759 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 5 COUNTRY CLUB PARK |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 33 |
| Legal Subdivision | COUNTRY CLUB PARK - BO |
| Legal Block | 5 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 12603 |
851 Crescent Dr is owned and occupied by an individual who bought it in December 2024.
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 851 CRESCENT DR, BOULDER, CO 80303-2759 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 18, 2024 · Amount on File |
| Deed Sale | Dec 18, 2024 · Amount on File |
| Prior Sale | Mar 21, 2000 · Amount on File |
| Deed Document Number | 20244070820 |
| Prior Transfer Date | Oct 14, 1994 |
| Prior Transfer Doc | 0001471954 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 851 Crescent Dr was $5,698.
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 | $78,112 (+30.7%) Land $44,459 Building $33,653 | $1,218,700 (+27.45%) Land $723,800 Building $494,900 | |
| 2025 | $5,698.00 | $59,763 Land $45,238 Building $14,525 | $956,200 Land $723,800 Building $232,400 |
| 2023 | $5,610.00 (+16.51%) | $68,655 (+32.4%) Land $52,247 Building $16,408 | $1,024,700 (+37.34%) Land $779,800 Building $244,900 |
| 2022 | $4,815.00 | $51,854 Land $37,690 Building $14,164 | $746,100 Land $542,300 Building $203,800 |
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 851 Crescent Dr in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 91 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 103 units insured incl. 12 condo units |
| Nearby Flood Claims | 93 (2013) |
| Claims Outside the SFHA | 50 of 93 |
| Most Recent Claim | Oct 2013 · other causes |
| 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.
Wildfire risk around 851 Crescent Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 394 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 |
| 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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