Boulder County property record for 3840 Spring Valley Rd, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 4,318 sqft · built 1977 |
| Lot Size | 0.472 acres (20,577 sqft) |
| Owner | Individual Name on File |
| Last Sale | $750,000 (Apr 2005) |
| Tax Bill | $17,506 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Jun 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-3-06-006 |
| Primary APN | 1461-13-3-06-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 4,318 sqft Living Area |
| Gross Area | 5,014 sqft |
| 1st Floor Area | 2,068 sqft |
| Upper Floors Area | 685 sqft |
| Basement Area | 1,565 sqft |
| Finished Basement | 1,565 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 20,577 sqft (0.472 acres) |
| Garage Type | Attached |
| Garage Area | 696 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 836 sqft |
| Patio Area | 1,904 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0034057 |
|---|---|
| Street Address | 3840 SPRING VALLEY RD |
| City | BOULDER |
| State | CO |
| Zip | 80304-1009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | LOT 4 LESS N 142 FT & LOT 3 LESS S 144 FT SPRING VALLEY ESTATES |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 13 |
| Legal Subdivision | SPRING VALLEY ESTATES - BOV |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 12104 |
Source: Boulder County records · APN 1461-13-3-06-006
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 | Individual Name on File |
|---|---|
| Mailing Address | 3840 SPRING VALLEY RD, BOULDER, CO 80304-1009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Oct 18, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 13, 2017 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 12, 2005 · Amount on Record |
| Deed Sale | Apr 12, 2005 · Amount on Record |
| Prior Sale | Feb 20, 2002 · Amount on Record |
| Deed Document Number | 20052679450 |
| Prior Transfer Date | Dec 19, 2003 |
| Prior Transfer Doc | 0002541065 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3840 SPRING VALLEY RD, BOULDER, CO 80304-1009 |
| Transaction Type | Mortgage |
| Record Updated | Nov 02, 2021 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0003921281 |
|---|---|
| Date | Oct 18, 2021 |
| Instrument | 3921281 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3840 SPRING VALLEY RD, BOULDER, CO 80304-1009 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003597160 |
|---|---|
| Date | Jun 13, 2017 |
| Instrument | 3597160 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| 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 | $191,522 (+8.8%) Land $131,498 Building $60,024 | $2,816,500 (-) Land $1,933,800 Building $882,700 | |
| 2025 | $17,506.00 (+4.02%) | $176,032 (-7.23%) Land $120,863 Building $55,169 | $2,816,500 (-0.55%) Land $1,933,800 Building $882,700 |
| 2023 | $16,830.00 (+10.4%) | $189,745 (+20.68%) Land $131,421 Building $58,324 | $2,832,000 (+25.18%) Land $1,961,500 Building $870,500 |
| 2022 | $15,245.00 | $157,230 Land $102,408 Building $54,822 | $2,262,300 Land $1,473,500 Building $788,800 |
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 |
|---|---|
| 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 | 8 (1991–2025) |
| Claims Outside the SFHA | 7 of 8 |
| Most Recent Claim | May 2025 · other causes |
| Claims by Event |
|
| Wildfire Risk | High above 84% of the US · above 87% of Colorado |
|---|---|
| Wildfire Likelihood | 1% 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 |
| Xfinity Cable | 2,000 / 250 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
May also be available: Verizon.
Based on FCC filings for 132 locations within half a mile of this property.
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 | SPRING VALLEY MUTUAL WA private · serves 100 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Also Mapped Here | CITY OF BOULDER |
| Lead | Under 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Dec 2018 |
| Monitoring and Reporting | None 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 service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.
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