Boulder County property record for 320 S 39th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,296 sqft · built 1956 |
| Lot Size | 0.163 acres (7,095 sqft) |
| Owner | Company Name on File |
| Last Sale | $330,000 (Aug 2007) |
| Tax Bill | $5,110 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-4-22-010 |
| Primary APN | 1577-05-4-22-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,296 sqft Living Area |
| Gross Area | 2,800 sqft |
| 1st Floor Area | 1,400 sqft |
| Basement Area | 1,400 sqft |
| Finished Basement | 896 sqft |
| Unfinished Basement | 504 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,095 sqft (0.163 acres) |
| Garage Type | Carport |
| Garage Area | 288 sqft |
| Carport | Carport |
| Carport Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0011097 |
|---|---|
| Street Address | 320 S 39TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5412 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 5 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 5 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 12507 |
Source: Boulder County assessment roll, APN 1577-05-4-22-010, as of June 15, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Nov 08, 2023 | Intrafamily Transfer, Transfer |
| Nov 08, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CHANGE LENDING LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 23, 2007 · Amount on Record |
| Deed Sale | Aug 23, 2007 · Amount on Record |
| Prior Sale | May 02, 1990 · Amount on Record |
| Deed Document Number | 20072878312 |
| Last Transfer Date | Nov 08, 2023 |
| Transfer Doc | 0004027783 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 08, 2023 |
| Property Address | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Document Number | 0004027783 |
| Instrument Date | Nov 08, 2023 |
| Instrument | 4027783 |
| Transaction Type | Transfer |
| Record Updated | Dec 06, 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 | 320 S 39TH ST, BOULDER, CO 80305-5412 |
| Transaction Type | Mortgage |
| Record Updated | Nov 23, 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 | 0003926740 |
|---|---|
| Date | Nov 08, 2021 |
| Instrument | 3926740 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92606 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.12% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | Dec 01, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.12% |
| Max Rate At Change | 8.12% |
| Index | Other |
| Max Rate | 8.12% |
Source: Boulder County assessment roll as of June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| 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 | $58,310 (+8.8%) Land $37,788 Building $20,522 | $857,500 (-) Land $555,700 Building $301,800 | |
| 2025 | $5,110.00 (+3.07%) | $53,594 (-12.28%) Land $34,731 Building $18,863 | $857,500 (-5.97%) Land $555,700 Building $301,800 |
| 2023 | $4,958.00 (+12.12%) | $61,098 (+28.3%) Land $40,703 Building $20,395 | $911,900 (+33.09%) Land $607,500 Building $304,400 |
| 2022 | $4,422.00 | $47,622 Land $30,191 Building $17,431 | $685,200 Land $434,400 Building $250,800 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130125073, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 7 (1979–2022) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Jul 2022 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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, 678 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Source: EPA Safe Drinking Water Information System, water system CO0107152, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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