Boulder County property record for 3934 Promontory Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,060 sqft · built 1987 |
| Lot Size | 0.142 acres (6,186 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $290,000 (Sep 1988) |
| Tax Bill | $10,190 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-3-12-006 |
| Primary APN | 1461-13-3-12-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Building Area | 3,060 sqft Living Area |
| Gross Area | 4,716 sqft |
| 1st Floor Area | 1,662 sqft |
| Upper Floors Area | 1,398 sqft |
| Basement Area | 1,128 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Split Level |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Lot Area | 6,186 sqft (0.142 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 184 sqft |
| Deck Area | 126 sqft |
| Patio Area | 620 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0095428 |
|---|---|
| Street Address | 3934 PROMONTORY CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-1054 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 WONDERLAND HILL 7 & 8 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 13 |
| Legal Subdivision | WONDERLAND HILL 7 & 8 - BOV |
| Legal Block | 2 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 12104 |
3934 Promontory Ct is owned and occupied by two individuals who bought it in September 1988.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3934 PROMONTORY CT, BOULDER, CO 80304-1054 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Sep 6, 1988 · Amount on File |
| Deed Sale | Sep 6, 1988 · Amount on File |
| Prior Sale | Dec 30, 1986 · Amount on File |
| Deed Document Number | 1988940619 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3934 Promontory Ct was $10,190.
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 | $118,320 (+4.59%) Land $64,212 Building $54,108 | $1,810,000 (-) Land $1,014,300 Building $795,700 | |
| 2025 | $10,190.00 | $113,125 Land $63,394 Building $49,731 | $1,810,000 Land $1,014,300 Building $795,700 |
| 2023 | $10,295.00 (+24.01%) | $129,598 (+34.5%) Land $68,561 Building $61,037 | $1,934,300 (+39.52%) Land $1,023,300 Building $911,000 |
| 2022 | $8,302.00 | $96,354 Land $55,273 Building $41,081 | $1,386,400 Land $795,300 Building $591,100 |
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 3934 Promontory Ct in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1991.
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 |
| Flood Insurance Cost | Premium on File median of 20 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 8 (1991–2025) |
| Claims Outside the SFHA | 7 of 8 |
| Most Recent Claim | May 2025 · 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 3934 Promontory Ct is high, ranking above 79% of the US, with a 0.6% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 79% of the US · above 81% of Colorado |
|---|---|
| Wildfire Likelihood | 0.6% 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 232 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 |
May also be available: Verizon.
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