Boulder County property record for 4345 13th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,056 sqft · built 1950 |
| Lot Size | 0.205 acres (8,927 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $4,729 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-18-2-01-008 |
| Primary APN | 1463-18-2-01-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,056 sqft Living Area |
| 1st Floor Area | 1,056 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,927 sqft (0.205 acres) |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0084978 |
|---|---|
| Street Address | 4345 13TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-0848 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 LESS WLY 16 FT TO COUNTY OF BLDR REC 1089076 BLK 1 MOORES SUB SPLIT SEE ID 111691 12/91 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | MOORES & REPLAT LOT 15 BLK 30 - BO |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12105 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 2291 ARAPAHOE AVE, BOULDER, CO 80302-6603 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 15, 1992 |
| Deed Sale | May 15, 1992 |
| Prior Sale | Nov 26, 1991 |
| Deed Document Number | 19921185278 |
| 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 | $53,040 (+8.8%) Land $42,432 Building $10,608 | $780,000 (-) Land $624,000 Building $156,000 | |
| 2025 | $4,729.00 (+7.84%) | $48,750 (-9.05%) Land $39,000 Building $9,750 | $780,000 (-2.5%) Land $624,000 Building $156,000 |
| 2023 | $4,385.00 (+12.84%) | $53,600 (+30.58%) Land $45,037 Building $8,563 | $800,000 (+35.46%) Land $672,200 Building $127,800 |
| 2022 | $3,886.00 | $41,047 Land $33,082 Building $7,965 | $590,600 Land $476,000 Building $114,600 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 46 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 46 in force |
| Nearby Flood Claims | 39 (1995–2013) |
| Claims Outside the SFHA | 7 of 39 |
| Most Recent Claim | Dec 2013 · 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 | Moderate above 57% of the US · above 42% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 460 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, CenturyLink.
5G (outdoors only) and 4G LTE
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