Boulder County property record for 4030 Darley Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,208 sqft · built 1962 |
| Lot Size | 0.162 acres (7,067 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,206 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-16-003 |
| Primary APN | 1577-08-1-16-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,208 sqft Living Area |
| Gross Area | 2,536 sqft |
| 1st Floor Area | 1,208 sqft |
| Basement Area | 1,064 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,067 sqft (0.162 acres) |
| Garage Type | Attached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 135 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0012091 |
|---|---|
| Street Address | 4030 DARLEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-6521 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLK 6 MOUNTAIN TERRACE |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | MOUNTAIN TERRACE - BO |
| Legal Block | 6 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 12509 |
4030 Darley Ave is owned and occupied by an individual who acquired it in July 1991.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4030 DARLEY AVE, BOULDER, CO 80305-6521 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Jul 25, 1991 |
| Deed Sale | Jul 25, 1991 |
| Prior Sale | Jun 3, 1982 · Amount on File |
| Deed Document Number | 19911118900 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4030 Darley Ave was $5,206.
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 | $61,452 (+0.98%) Land $53,768 Building $7,684 | $973,700 (-) Land $860,700 Building $113,000 | |
| 2025 | $5,206.00 | $60,857 Land $53,794 Building $7,063 | $973,700 Land $860,700 Building $113,000 |
| 2023 | $5,021.00 (+16.55%) | $68,534 (+28.48%) Land $61,681 Building $6,853 | $1,022,900 (+33.28%) Land $920,610 Building $102,290 |
| 2022 | $4,308.00 | $53,341 Land $45,411 Building $7,930 | $767,500 Land $653,400 Building $114,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4030 Darley Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · tidal / storm surge |
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 4030 Darley Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% 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 604 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: AT&T, T-Mobile.
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