Boulder County property record for 4145 Piedra Ct, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,658 sqft · built 1979 |
| Lot Size | 0.132 acres (5,740 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $97,000 (Jul 1989) |
| Tax Bill | $5,568 (2025) |
| Deeds & Mortgages | Nov 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-17-3-11-005 |
| Primary APN | 1463-17-3-11-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,658 sqft Living Area |
| Gross Area | 2,288 sqft |
| 1st Floor Area | 740 sqft |
| Upper Floors Area | 598 sqft |
| Basement Area | 530 sqft |
| Finished Basement | 320 sqft |
| Unfinished Basement | 210 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 5,740 sqft (0.132 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0077154 |
|---|---|
| Street Address | 4145 PIEDRA CT |
| City | BOULDER |
| State | CO |
| Zip | 80301-1631 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MF |
| Legal Description | LOT 28 PALO PARK 3 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 17 |
| Legal Subdivision | PALO PARK 3 & RPLT - BOV |
| Legal Block | 3 |
| Legal Lot Number | 28 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 12701 |
4145 Piedra Ct is owned by two individuals who acquired it in November 2025.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4849 E WINDSTONE TRL, CAVE CREEK, AZ 85331-5970 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 31, 1989 · Amount on File |
| Deed Sale | Jul 31, 1989 · Amount on File |
| Prior Sale | Oct 3, 1985 · Amount on File |
| Deed Document Number | 1989995151 |
| Last Transfer Date | Nov 4, 2025 |
| Transfer Doc | 0004111062 |
| Record Updated | Oct 29, 2026 |
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 18, 2025 |
| Property Address | 4145 PIEDRA CT, BOULDER, CO 80301-1631 |
| Document Number | 0004110147 |
| Instrument Date | Nov 4, 2025 |
| Instrument | 4110147 |
| Transaction Type | Transfer |
| Record Updated | Dec 12, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | PO BOX 1156, WINTER PARK, CO 80482-1156 |
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 4849 E WINDSTONE TRL, CAVE CREEK, AZ 85331-5970 |
The 2025 property tax bill for 4145 Piedra Ct was $5,568, up 0.5% from the year before.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $55,638 (+0.23%) Land $24,684 Building $30,954 | $888,200 (-) Land $433,000 Building $455,200 | |
| 2025 | $5,568.00 (+0.51%) | $55,513 (-7.29%) Land $27,063 Building $28,450 | $888,200 (-6.38%) Land $433,000 Building $455,200 |
| 2024 | $5,540.00 (+1.67%) | $59,878 (-5.8%) Land $24,154 Building $35,724 | $948,700 (-) Land $415,500 Building $533,200 |
| 2023 | $5,449.00 (+17.11%) | $63,563 (+33.38%) Land $27,839 Building $35,724 | $948,700 (+38.35%) Land $415,500 Building $533,200 |
| 2022 | $4,653.00 | $47,656 Land $25,131 Building $22,525 | $685,700 Land $361,600 Building $324,100 |
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 4145 Piedra Ct in Zone X, an area of minimal flood risk, within 500 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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 29 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 29 in force |
| Nearby Flood Claims | 5 (1995–2013) |
| Claims Outside the SFHA | 3 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.
Wildfire risk around 4145 Piedra Ct is low, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 79% of Colorado |
|---|---|
| Wildfire Likelihood | 0.06% 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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