Boulder County property record for 161 S 35th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,040 sqft · built 1955 |
| Lot Size | 0.166 acres (7,231 sqft) |
| Owner | Individual Name on File |
| Last Sale | $865,000 (Nov 2022) |
| Tax Bill | $4,494 (2025) |
| Deeds & Mortgages | Nov 2022 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-3-08-018 |
| Primary APN | 1577-05-3-08-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,040 sqft Living Area |
| 1st Floor Area | 1,040 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,231 sqft (0.166 acres) |
| Garage Type | Carport |
| Garage Area | 286 sqft |
| Carport | Carport |
| Carport Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 312 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0009785 |
|---|---|
| Street Address | 161 S 35TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5434 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 18 BLK 6 MARTIN ACRES 1 |
| Legal Subdivision | MARTIN ACRES 1 - BO |
| Legal Block | 6 |
| Legal Lot Number | 18 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 12507 |
161 S 35th St is owned and occupied by an individual who bought it in November 2022.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 161 S 35TH ST, BOULDER, CO 80305-5434 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Nov 22, 2022 · Amount on File |
| Deed Sale | Nov 22, 2022 · Amount on File |
| Prior Sale | Mar 29, 1999 · Amount on File |
| Deed Document Number | 20223989831 |
| Prior Transfer Date | Jun 21, 1995 |
| Prior Transfer Doc | 0001525966 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 22, 2022 |
| Property Address | 161 S 35TH ST, BOULDER, CO 80305-5434 |
| Document Number | 0003989831 |
| Instrument Date | Nov 22, 2022 |
| Instrument | 3989831 |
| Transaction Type | Transfer |
| Record Updated | Nov 29, 2022 |
| Title Company | 8Z TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $86.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 161 S 35TH ST, BOULDER, CO 80305-5434 |
| Document Number | 0003989832 |
|---|---|
| Date | Nov 22, 2022 |
| Instrument | 3989832 |
| Name | AMERIFIRST FINANCIAL INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2052 |
The 2025 property tax bill for 161 S 35th St was $4,494.
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 | $45,601 (-1.48%) Land $33,388 Building $12,213 | $740,600 (-) Land $561,000 Building $179,600 | |
| 2025 | $4,494.00 | $46,288 Land $35,063 Building $11,225 | $740,600 Land $561,000 Building $179,600 |
| 2023 | $3,984.00 (+10.39%) | $48,950 (+28.6%) Land $41,091 Building $7,859 | $730,600 (+33.39%) Land $613,300 Building $117,300 |
| 2022 | $3,609.00 | $38,065 Land $30,476 Building $7,589 | $547,700 Land $438,500 Building $109,200 |
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 161 S 35th St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 | 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.
Wildfire risk around 161 S 35th St is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 80% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% 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 515 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 · DSL in parts of the area | 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 |
May also be available: AT&T.
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