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 Record |
| 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 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3639 SILVERTON ST, BOULDER, CO 80301-3614 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 18, 2024 · Amount on Record |
| Deed Sale | Mar 18, 2024 · Amount on Record |
| Prior Sale | Apr 23, 2014 · Amount on Record |
| 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 Recorded |
|---|---|
| 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 Recorded |
| Term | 361 Months |
| Due | Apr 1, 2054 |
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 (+13.96%) | $63,781 (-2.6%) Building $63,781 | $1,020,500 (+4.41%) 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.
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 Record 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.
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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