Boulder County property record for 2503 23rd St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.75 ba · 1,919 sqft · built 1952 |
| Lot Size | 0.299 acres (13,022 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $395,000 (Aug 2003) |
| Tax Bill | $11,247 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-30-1-19-020 |
| Primary APN | 1463-30-1-19-020 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,919 sqft Living Area |
| Gross Area | 2,244 sqft |
| 1st Floor Area | 1,752 sqft |
| Basement Area | 492 sqft |
| Finished Basement | 167 sqft |
| Unfinished Basement | 325 sqft |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 13,022 sqft (0.299 acres) |
| Garage Type | Carport |
| Garage Area | 190 sqft |
| Carport | Carport |
| Carport Area | 190 sqft |
| Porch | Porch |
| Porch Area | 141 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0004287 |
|---|---|
| Street Address | 2503 23RD ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-3705 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 19 LESS 25 FT TRI IN SW CORN BLK 2 PANORAMA HEIGHTS REPLAT |
| Legal Subdivision | PANORAMA HEIGHTS REPLAT - BO |
| Legal Block | 2 |
| Legal Lot Number | 19 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 12107 |
2503 23rd St is owned and occupied by two individuals who bought it in August 2003.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2503 23RD ST, BOULDER, CO 80304-3705 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Aug 11, 2003 · Amount on File |
| Deed Sale | Aug 11, 2003 · Amount on File |
| Prior Sale | Aug 27, 1993 |
| Deed Document Number | 20032486079 |
| Prior Transfer Date | Sep 8, 1994 |
| Prior Transfer Doc | 0001463648 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 2503 23rd St was $11,247.
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 | $122,665 (+4.74%) Land $94,826 Building $27,839 | $1,873,900 (-) Land $1,464,500 Building $409,400 | |
| 2025 | $11,247.00 | $117,119 Land $91,531 Building $25,588 | $1,873,900 Land $1,464,500 Building $409,400 |
| 2023 | $9,350.00 (+4.26%) | $111,093 (+16.01%) Land $96,393 Building $14,700 | $1,658,104 (+20.34%) Land $1,438,700 Building $219,404 |
| 2022 | $8,968.00 | $95,764 Land $75,227 Building $20,537 | $1,377,900 Land $1,082,400 Building $295,500 |
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 2503 23rd St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2013.
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 31 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 5 (2013) |
| Claims Outside the SFHA | 2 of 5 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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 2503 23rd St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 663 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures