Boulder County property record for 859 Gapter Rd, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 3,089 sqft · built 2012 |
| Lot Size | 0.848 acres (36,954 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $660,000 (Jun 2012) |
| Tax Bill | $13,778 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-34-4-13-002 |
| Primary APN | 1463-34-4-13-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,089 sqft Living Area |
| Gross Area | 3,883 sqft |
| 1st Floor Area | 1,985 sqft |
| Upper Floors Area | 1,104 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2012 |
|---|---|
| Effective Year Built | Effective 2012 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 36,954 sqft (0.848 acres) |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 5 Parking Spaces |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 300 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Heating System | Radiant |
|---|
| Account Number | R0035844 |
|---|---|
| Street Address | 859 GAPTER RD |
| City | BOULDER |
| State | CO |
| Zip | 80303-2920 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | LOT 38 GAPTER 1 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 34 |
| Legal Subdivision | GAPTER 1 - BOV |
| Legal Block | 2 |
| Legal Lot Number | 38 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2032 |
| Census Tract | 12710 |
859 Gapter Rd is owned and occupied by two individuals who bought it in June 2012.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 859 GAPTER RD, BOULDER, CO 80303-2920 |
| 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 | Jun 15, 2012 · Amount on File |
| Deed Sale | Jun 15, 2012 · Amount on File |
| Prior Sale | Mar 2, 1972 · Amount on File |
| Deed Document Number | 20123229806 |
| Prior Transfer Date | Nov 7, 2003 |
| Prior Transfer Doc | 0002532754 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 859 Gapter Rd was $13,778.
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 | $152,463 (+5.51%) Land $61,160 Building $91,303 | $2,312,100 (-) Land $969,400 Building $1,342,700 | |
| 2025 | $13,778.00 | $144,507 Land $60,588 Building $83,919 | $2,312,100 Land $969,400 Building $1,342,700 |
| 2023 | $12,611.00 (+13.72%) | $149,725 (+25.37%) Land $46,176 Building $103,549 | $2,234,700 (+30.04%) Land $689,200 Building $1,545,500 |
| 2022 | $11,090.00 | $119,430 Land $38,642 Building $80,788 | $1,718,420 Land $556,000 Building $1,162,420 |
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 859 Gapter Rd in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 97 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 103 units insured incl. 6 condo units |
| Nearby Flood Claims | 91 (1980–2022) |
| Claims Outside the SFHA | 24 of 91 |
| Most Recent Claim | Jul 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.
Wildfire risk around 859 Gapter Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 97.5% of Colorado |
|---|---|
| Wildfire Likelihood | 0.02% 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 143 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.
5G (outdoors only) and 4G LTE
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