Boulder County property record for 3547 4th St, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 5,293 sqft · built 1988 |
| Lot Size | 0.517 acres (22,497 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $125,000 (Jun 1988) |
| Tax Bill | $29,154 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-2-12-004 |
| Primary APN | 1461-24-2-12-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 5,293 sqft Living Area |
| Gross Area | 5,983 sqft |
| 1st Floor Area | 2,920 sqft |
| Upper Floors Area | 2,373 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 22,497 sqft (0.517 acres) |
| Garage Type | Attached |
| Garage Area | 690 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 224 sqft |
| Deck Area | 57 sqft |
| Patio Area | 477 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Hot Water |
| Account Number | R0103867 |
|---|---|
| Street Address | 3547 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1703 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4 & UND 1/4 INT OUTLOT A SILVER LAKE |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | SILVER LAKE SUB - BO |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-24-2-12-004
Assessment roll updated June 15, 2026 · Last verified June 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 | 4295 BROADWAY ST, BOULDER, CO 80304-0836 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 28, 1988 · Amount on Record |
| Deed Sale | Jun 28, 1988 · Amount on Record |
| Prior Sale | Feb 24, 1988 · Amount on Record |
| Deed Document Number | 1988926692 |
| Last Transfer Date | Jul 07, 2016 |
| Transfer Doc | 0003528888 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $331,745 (+8.8%) Land $198,451 Building $133,294 | $4,878,600 (-) Land $2,918,400 Building $1,960,200 | |
| 2025 | $29,154.00 (-1.3%) | $304,913 (-10.03%) Land $182,400 Building $122,513 | $4,878,600 (-3.55%) Land $2,918,400 Building $1,960,200 |
| 2024 | $29,538.00 (+1.77%) | ||
| 2023 | $29,023.00 (+23.68%) | $338,893 (+34.53%) Land $200,920 Building $137,973 | $5,058,100 (+39.55%) Land $2,998,800 Building $2,059,300 |
| 2022 | $23,467.00 | $251,903 Land $142,503 Building $109,400 | $3,624,500 Land $2,050,400 Building $1,574,100 |
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 500 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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