Boulder County property record for 800 Crescent Dr, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,597 sqft · built 1956 |
| Lot Size | 0.334 acres (14,538 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $235,000 (Oct 1995) |
| Tax Bill | $7,643 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-33-4-18-011 |
| Primary APN | 1463-33-4-18-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,597 sqft Living Area |
| Gross Area | 4,257 sqft |
| 1st Floor Area | 2,452 sqft |
| Upper Floors Area | 1,145 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 14,538 sqft (0.334 acres) |
| Garage Type | Attached |
| Garage Area | 660 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0037749 |
|---|---|
| Street Address | 800 CRESCENT DR |
| City | BOULDER |
| State | CO |
| Zip | 80303-2715 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 18 BLK 4 COUNTRY CLUB PARK |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 33 |
| Legal Subdivision | COUNTRY CLUB PARK - BO |
| Legal Block | 4 |
| Legal Lot Number | 18 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12603 |
800 Crescent Dr is owned and occupied by two individuals who acquired it in September 2010.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 800 CRESCENT DR, BOULDER, CO 80303-2715 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 30, 1995 · Amount on File |
| Deed Sale | Oct 30, 1995 · Amount on File |
| Prior Sale | Apr 12, 1974 · Amount on File |
| Deed Document Number | 19951558659 |
| Last Transfer Date | Sep 7, 2010 |
| Transfer Doc | 0003097123 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 800 Crescent Dr was $7,643.
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 | $82,457 (+2.86%) Land $44,989 Building $37,468 | $1,282,600 (-) Land $731,600 Building $551,000 | |
| 2025 | $7,643.00 | $80,163 Land $45,725 Building $34,438 | $1,282,600 Land $731,600 Building $551,000 |
| 2023 | $7,548.00 (+18.9%) | $91,093 (+33.24%) Land $52,809 Building $38,284 | $1,359,600 (+38.21%) Land $788,200 Building $571,400 |
| 2022 | $6,348.00 | $68,367 Land $38,100 Building $30,267 | $983,700 Land $548,200 Building $435,500 |
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 800 Crescent Dr in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 800 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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