Boulder County property record for 3140 Folsom St, Boulder, CO 80304
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5 bd · 2.25 ba · 3,388 sqft · built 1965 |
| Lot Size | 0.222 acres (9,675 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,175,000 (Sep 2022) |
| Tax Bill | $8,017 (2025) |
| Deeds & Mortgages | Sep 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-3-07-011 |
| Primary APN | 1463-20-3-07-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 3,388 sqft Living Area |
| 1st Floor Area | 2,152 sqft |
| Basement Area | 1,236 sqft |
| Finished Basement | 1,236 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 9,675 sqft (0.222 acres) |
| Garage Type | Detached |
| Garage Area | 529 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 830 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0007168 |
|---|---|
| Street Address | 3140 FOLSOM ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-2840 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 11 OSKARSON |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | OSKARSON - BO |
| Legal Block | 1 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 12107 |
3140 Folsom St, a residential property, is owned by a company that bought it in September 2022.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1350 OLD TALE RD, BOULDER, CO 80303-1322 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
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 | Sep 20, 2022 · Amount on File |
| Deed Sale | Sep 20, 2022 · Amount on File |
| Prior Sale | Apr 9, 2013 · Amount on File |
| Deed Document Number | 20223981864 |
| Prior Transfer Date | Sep 3, 2015 |
| Prior Transfer Doc | 0003473427 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 20, 2022 |
| Property Address | 3140 FOLSOM ST, BOULDER, CO 80304-2840 |
| Document Number | 0003981864 |
| Instrument Date | Sep 15, 2022 |
| Instrument | 3981864 |
| Transaction Type | Transfer |
| Record Updated | Feb 16, 2023 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $117.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 33142 ELISA DR, DANA POINT, CA 92629-1022 |
| Name | Verified Name |
|---|---|
| Address | 1350 OLD TALE RD, BOULDER, CO 80303-1322 |
| Document Number | 0003981866 |
|---|---|
| Date | Sep 20, 2022 |
| Instrument | 3981866 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Type | Unknown |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.37% |
| Type Change Date | Oct 1, 2027 |
| Change Frequency | 5 Years |
| Min Rate At Change | 3.75% |
| Max Rate At Change | 7.37% |
| Index | 1-Year CMT |
| Max Rate | 10.3% |
The 2025 property tax bill for 3140 Folsom St was $8,017, up 6.4% from the year before.
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 | $84,878 (+3.02%) Land $29,757 Building $55,121 | $1,318,200 (-) Land $507,600 Building $810,600 | |
| 2025 | $8,017.00 (+6.38%) | $82,388 Land $31,725 Building $50,663 | $1,318,200 Land $507,600 Building $810,600 |
| 2024 | $7,536.00 (+1.82%) | ||
| 2023 | $7,401.00 (+16%) | $87,649 (+30.63%) Land $36,863 Building $50,786 | $1,308,200 (+32.58%) Land $550,200 Building $758,000 |
| 2022 | $6,380.00 | $67,096 Land $30,716 Building $36,380 | $986,700 Land $451,700 Building $535,000 |
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 3140 Folsom St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2021.
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 10 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 units insured incl. 10 condo units |
| Nearby Flood Claims | 1 (2021) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Oct 2021 · other causes |
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.
The area around 3140 Folsom St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 481 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 | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: CenturyLink.
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