Boulder County property record for 4052 Crystal Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,290 sqft · built 1986 |
| Lot Size | 0.124 acres (5,390 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $385,000 (Jul 2011) |
| Tax Bill | $5,145 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-17-3-22-006 |
| Primary APN | 1463-17-3-22-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,290 sqft Living Area |
| Gross Area | 1,670 sqft |
| 1st Floor Area | 606 sqft |
| Upper Floors Area | 684 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 5,390 sqft (0.124 acres) |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 16 sqft |
| Deck Area | 154 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0104040 |
|---|---|
| Street Address | 4052 CRYSTAL CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-0986 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 45 SUNDANCE 2 & UND 1/70 INT OUTLTOS A-F & AA SUNDANCE 1 & OUTLOTS A-C SUNDANCE 2 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 17 |
| Legal Subdivision | SUNDANCE 2 (BOULDER) - BO |
| Legal Block | 3 |
| Legal Lot Number | 45 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12103 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4052 CRYSTAL CT, BOULDER, CO 80304-0986 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 19, 2011 · Amount on Record |
| Deed Sale | Jul 19, 2011 · Amount on Record |
| Prior Sale | Oct 29, 1996 · Amount on Record |
| Deed Document Number | 20113159648 |
| Prior Transfer Date | Mar 12, 2004 |
| Prior Transfer Doc | 0002567595 |
| 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 | $53,951 (-0.02%) Land $23,773 Building $30,178 | $863,400 (-) Land $419,600 Building $443,800 | |
| 2025 | $5,145.00 (+4.38%) | $53,963 (-11.19%) Land $26,225 Building $27,738 | $863,400 (-4.8%) Land $419,600 Building $443,800 |
| 2023 | $4,929.00 (+17.61%) | $60,763 (+34.61%) Land $26,566 Building $34,197 | $906,900 (+39.63%) Land $396,500 Building $510,400 |
| 2022 | $4,191.00 | $45,141 Land $24,096 Building $21,045 | $649,500 Land $346,700 Building $302,800 |
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.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · rainfall accumulation |
| 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 43% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% 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 341 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: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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