Boulder County property record for 2500 Topaz Dr, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 3,197 sqft · built 2019 |
| Lot Size | 0.746 acres (32,502 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $41,300 (Jul 1975) |
| Tax Bill | $12,747 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-18-4-02-002 |
| Primary APN | 1463-18-4-02-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 3,197 sqft Living Area |
| Gross Area | 3,701 sqft |
| 1st Floor Area | 1,896 sqft |
| Upper Floors Area | 1,341 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2019 |
|---|---|
| Effective Year Built | Effective 2019 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 32,502 sqft (0.746 acres) |
| Garage Type | Attached |
| Garage Area | 504 sqft |
| Parking Spaces | 8 Parking Spaces |
| Porch | Porch |
| Porch Area | 170 sqft |
| Deck Area | 399 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0033398 |
|---|---|
| Street Address | 2500 TOPAZ DR |
| City | BOULDER |
| State | CO |
| Zip | 80304-0933 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | LOT 2 BLK 2 GITHENS ACRES |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | GITHENS ACRES - BOV |
| Legal Block | 2 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 12103 |
2500 Topaz Dr is owned and occupied by two individuals who bought it in July 1975.
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2500 TOPAZ DR, BOULDER, CO 80304-0933 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 8, 1975 · Amount on File |
| Deed Sale | Jul 8, 1975 · Amount on File |
| Deed Document Number | 1975144017 |
| Record Updated | Oct 29, 2026 |
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 | $124,508 (-7.05%) Land $91,576 Building $32,932 | $1,901,000 (-11.3%) Land $1,416,700 Building $484,300 | |
| 2025 | $12,747.00 (+64.58%) | $133,947 (+40.05%) Land $88,544 Building $45,403 | $2,143,150 (+50.13%) Land $1,416,700 Building $726,450 |
| 2023 | $7,745.00 (+12.88%) | $95,643 (+23.6%) Land $91,100 Building $4,543 | $1,427,510 (+28.22%) Land $1,359,700 Building $67,810 |
| 2022 | $6,861.00 | $77,378 Land $74,594 Building $2,784 | $1,113,360 Land $1,073,300 Building $40,060 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2500 Topaz Dr 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 31 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 26 (1995–2014) |
| Claims Outside the SFHA | 14 of 26 |
| Most Recent Claim | May 2014 · 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 2500 Topaz Dr is moderate, ranking above 43% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% 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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