Boulder County property record for 3639 Silverton St, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.75 ba · 2,583 sqft · built 2013 |
| Lot Size | 0.144 acres (6,273 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,100,000 (Mar 2024) |
| Tax Bill | $6,081 (2025) |
| Deeds & Mortgages | Mar 2024 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-1-72-002 |
| Primary APN | 1463-20-1-72-002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,583 sqft Living Area |
| Gross Area | 3,169 sqft |
| 1st Floor Area | 1,423 sqft |
| Basement Area | 1,289 sqft |
| Finished Basement | 1,160 sqft |
| Unfinished Basement | 129 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2013 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,273 sqft (0.144 acres) |
| Garage Type | Attached |
| Garage Area | 457 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 103 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0603549 |
|---|---|
| Street Address | 3639 SILVERTON ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-3614 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 3639 NORTHFIELD COMMONS DUPLEX CONDOS LOT 71 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | NORTHFIELD COMMONS DUPLEX CONDOS LOT 71 |
| Legal Block | 4 |
| Legal Lot Number | 71 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4023 |
| Census Tract | 12701 |
3639 Silverton St, a condominium, is owned and occupied by an individual who bought it in March 2024.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3639 SILVERTON ST, BOULDER, CO 80301-3614 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Mar 18, 2024 · Amount on File |
| Deed Sale | Mar 18, 2024 · Amount on File |
| Prior Sale | Apr 23, 2014 · Amount on File |
| Deed Document Number | 20244039773 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 18, 2024 |
| Property Address | 3639 SILVERTON ST, BOULDER, CO 80301-3614 |
| Document Number | 0004039773 |
| Map Reference | 2890153 |
| Instrument Date | Mar 15, 2024 |
| Instrument | 4039773 |
| Transaction Type | Transfer |
| Record Updated | Apr 4, 2024 |
| Title Company | 8Z TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $110.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3639 SILVERTON ST, BOULDER, CO 80301-3614 |
| Document Number | 0004039774 |
|---|---|
| Date | Mar 18, 2024 |
| Instrument | 4039774 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2054 |
The 2025 property tax bill for 3639 Silverton St was $6,081.
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 | $64,634 (+1.34%) Building $64,634 | $1,020,500 (-) Building $1,020,500 | |
| 2025 | $6,081.00 | $63,781 Building $63,781 | $1,020,500 Building $1,020,500 |
| 2023 | $5,336.00 (-5.07%) | $65,483 (+8.17%) Building $65,483 | $977,356 (+12.21%) Building $977,356 |
| 2022 | $5,621.00 | $60,535 Building $60,535 | $871,000 Building $871,000 |
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 3639 Silverton St in Zone X, an area of minimal flood risk, though there have been 14 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 20 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 14 (2013–2015) |
| Claims Outside the SFHA | 4 of 14 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, 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 3639 Silverton St is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 84% of Colorado |
|---|---|
| Wildfire Likelihood | 0.02% 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 288 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 · Fiber in parts of the area | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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