Boulder County property record for 3550 4th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 3,824 sqft · built 2014 |
| Lot Size | 0.232 acres (10,109 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $750,000 (Jun 2013) |
| Tax Bill | $22,019 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-1-00-046 |
| Primary APN | 1461-24-1-00-046 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 3,824 sqft Living Area |
| Gross Area | 4,974 sqft |
| 1st Floor Area | 2,269 sqft |
| Basement Area | 2,177 sqft |
| Finished Basement | 1,555 sqft |
| Unfinished Basement | 622 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2014 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Ranch |
| Exterior Material | Stone |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 10,109 sqft (0.232 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 66 sqft |
| Deck Area | 210 sqft |
| Patio Area | 189 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0008919 |
|---|---|
| Street Address | 3550 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1704 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 386-A-1 24-1N-71 BOOK 1178 PAGE 555 BCR |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | TR, NBR 128,158,172-178 FOOTHILLS |
| Legal Tract | 386-A-1 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-24-1-00-046
Assessment roll updated June 15, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 3550 4TH ST, BOULDER, CO 80304-1704 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 14, 2013 · Amount on Record |
| Deed Sale | Jun 14, 2013 · Amount on Record |
| Prior Sale | Oct 31, 1990 |
| Deed Document Number | 20133319776 |
| Prior Transfer Date | Dec 01, 1997 |
| Prior Transfer Doc | 0001755021 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $251,253 (+8.8%) Land $115,029 Building $136,224 | $3,694,900 (-) Land $1,691,600 Building $2,003,300 | |
| 2025 | $22,019.00 (+0.83%) | $230,931 (-9.99%) Land $105,725 Building $125,206 | $3,694,900 (-3.51%) Land $1,691,600 Building $2,003,300 |
| 2023 | $21,838.00 (+9.23%) | $256,563 (+19.17%) Land $116,446 Building $140,117 | $3,829,300 (+23.62%) Land $1,738,000 Building $2,091,300 |
| 2022 | $19,992.00 | $215,284 Land $83,602 Building $131,682 | $3,097,600 Land $1,202,900 Building $1,894,700 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 63 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | High above 75% of the US · above 75% of Colorado |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile USA.
Based on FCC filings for 431 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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