Boulder County property record for 280 31st St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,188 sqft · built 1955 |
| Lot Size | 0.165 acres (7,179 sqft) |
| Owner | Company Name on Record |
| Last Sale | $344,500 (Mar 2006) |
| Tax Bill | $5,206 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-14-009 |
| Primary APN | 1577-05-2-14-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,188 sqft Living Area |
| 1st Floor Area | 1,188 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,179 sqft (0.165 acres) |
| Garage Type | Carport |
| Garage Area | 180 sqft |
| Carport | Carport |
| Carport Area | 180 sqft |
| Porch | Porch |
| Porch Area | 412 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0000425 |
|---|---|
| Street Address | 280 31ST ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3461 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 12 HIGHLAND PARK 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK 2 - BO |
| Legal Block | 12 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 12507 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Nov 8, 2023 | Intrafamily Transfer, Transfer |
| Nov 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CHANGE LENDING LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 3, 2006 · Amount on Record |
| Deed Sale | Mar 3, 2006 · Amount on Record |
| Prior Sale | Sep 29, 2003 · Amount on Record |
| Deed Document Number | 20062760506 |
| Last Transfer Date | Nov 8, 2023 |
| Transfer Doc | 0004027784 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 8, 2023 |
| Property Address | 280 31ST ST, BOULDER, CO 80305-3461 |
| Document Number | 0004027784 |
| Instrument Date | Nov 8, 2023 |
| Instrument | 4027784 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 280 31ST ST, BOULDER, CO 80305-3461 |
| Transaction Type | Mortgage |
| Record Updated | Dec 15, 2021 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|---|
| Address | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Document Number | 0003930677 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 3930677 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
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 | $53,734 (-0.05%) Land $26,643 Building $27,091 | $860,200 (-) Land $461,800 Building $398,400 | |
| 2025 | $5,206.00 (+2.64%) | $53,763 (-12.66%) Land $28,863 Building $24,900 | $860,200 (-6.37%) Land $461,800 Building $398,400 |
| 2023 | $5,072.00 (+13.65%) | $61,553 (+30.26%) Land $33,949 Building $27,604 | $918,700 (+35.12%) Land $506,700 Building $412,000 |
| 2022 | $4,463.00 | $47,253 Land $25,715 Building $21,538 | $679,900 Land $370,000 Building $309,900 |
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 451 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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