Boulder County property record for 840 Flagstaff Rd, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 2,480 sqft · built 1984 |
| Lot Size | 0.585 acres (25,463 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $207,000 (Dec 1988) |
| Tax Bill | $17,140 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-4-36-001 |
| Primary APN | 1461-36-4-36-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 2,480 sqft Living Area |
| Gross Area | 2,883 sqft |
| 1st Floor Area | 1,440 sqft |
| Upper Floors Area | 1,040 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 25,463 sqft (0.585 acres) |
| Garage Type | Attached |
| Garage Area | 403 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 91 sqft |
| Deck Area | 776 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0007886 |
|---|---|
| Street Address | 840 FLAGSTAFF RD |
| City | BOULDER |
| State | CO |
| Zip | 80302-9561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WLY 166.61 FT M/L OF LOT 18 FLATIRONS PARK AKA TR A & B LOT 18 MINOR SUB |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | FLATIRONS PARK LOT 18 MINOR - BO |
| Legal Tract | A |
| Legal Block | 3 |
| Legal Lot Number | 18 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3031 |
| Census Tract | 12201 |
Source: Boulder County records, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 6357 HIGHWAY 23, SPRING GREEN, WI 53588 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 13, 1988 · Amount on Record |
| Deed Sale | Dec 13, 1988 · Amount on Record |
| Prior Sale | Oct 19, 1988 |
| Deed Document Number | 1988957532 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $195,589 (+8.8%) Land $176,030 Building $19,559 | $2,876,300 (-) Land $2,588,670 Building $287,630 | |
| 2025 | $17,140.00 (+6.12%) | $179,769 (-5.75%) Land $161,792 Building $17,977 | $2,876,300 (+1.04%) Land $2,588,670 Building $287,630 |
| 2023 | $16,152.00 (+13.23%) | $190,729 (+24.16%) Land $171,656 Building $19,073 | $2,846,700 (+28.79%) Land $2,562,030 Building $284,670 |
| 2022 | $14,265.00 | $153,616 Land $138,254 Building $15,362 | $2,210,300 Land $1,989,270 Building $221,030 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Record median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 86% of the US · above 89% of Colorado |
|---|---|
| Wildfire Likelihood | 0.7% annual chance |
| Exposure | Indirect within 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 80 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 | 1,200 / 35 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: Verizon.
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