Boulder County property record for 15 S 35th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,735 sqft · built 1875 |
| Lot Size | 0.353 acres (15,357 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $755,000 (Feb 2017) |
| Tax Bill | $5,378 (2025) |
| Deeds & Mortgages | Apr 2023 Line of Credit Mar 2021 Mortgage + 3 more |
| Flood Zone | Zone AE (high risk) |
| APN | 1577-05-2-29-021 |
| Primary APN | 1577-05-2-29-021 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,735 sqft Living Area |
| Gross Area | 2,283 sqft |
| 1st Floor Area | 871 sqft |
| Upper Floors Area | 864 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1875 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 15,357 sqft (0.353 acres) |
| Garage Type | Detached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 548 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0012509 |
|---|---|
| Street Address | 15 S 35TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-5524 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 21-22 BLK 2 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Block | 2 |
| Legal Lot Number | 21 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1011 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Apr 18, 2023 | Deed of Trust, Mortgage · Line of Credit THE HUNTINGTON NATIONAL BANK |
| Mar 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PLANET HOME LENDING LLC |
| Apr 29, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PLANET HM LNDG |
| Dec 5, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage AMERICAN FINANCING CORP |
| Feb 28, 2017 | Warranty Deed, Transfer GUARANTEED RATE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 28, 2017 · Amount on Record |
| Deed Sale | Feb 28, 2017 · Amount on Record |
| Prior Sale | Nov 2, 1999 · Amount on Record |
| Deed Document Number | 20173577352 |
| Last Transfer Date | Oct 7, 2019 |
| Transfer Doc | 0003752971 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Transaction Type | Mortgage |
| Record Updated | Apr 25, 2023 |
| Name | Verified Name |
|---|---|
| Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Document Number | 0004004186 |
|---|---|
| Date | Apr 18, 2023 |
| Instrument | 4004186 |
| Name | THE HUNTINGTON NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43231 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Mar 30, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Transaction Type | Mortgage |
| Record Updated | Apr 7, 2021 |
| Title Company | HERITAGE TITLE COMPANY, HERITAGE TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003870920 |
|---|---|
| Date | Mar 24, 2021 |
| Instrument | 3870920 |
| Name | PLANET HOME LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Address | MERIDEN, CT 06450 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Document Number | 0003782207 |
| Instrument Date | Apr 29, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 23, 2020 |
| Title Company | HERITAGE TITLE COMPANY, HERITAGE TITLE CO. |
| Name | Verified Name |
|---|---|
| Address | 15 S 35TH ST BOULDER CO 803055524, BOULDER, CO 80305-5524 |
| Document Number | 0003782207 |
|---|---|
| Date | May 5, 2020 |
| Instrument | 3782207 |
| Name | PLANET HM LNDG |
|---|---|
| Address | MERIDEN, CT 06450 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 4, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 5, 2019 |
| Property Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Document Number | 0003752971 |
| Instrument Date | Oct 7, 2019 |
| Instrument | 3752971 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Document Number | 0003752972 |
|---|---|
| Date | Dec 5, 2019 |
| Instrument | 3752972 |
| Name | AMERICAN FINANCING CORP |
|---|---|
| Type | Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2049 |
| Document Number | 0003752973 |
|---|---|
| Date | Dec 5, 2019 |
| Instrument | 3752973 |
| Name | TCF NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57106 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Nov 23, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 28, 2017 |
| Property Address | 15 S 35TH ST, BOULDER, CO 80305-5524 |
| Document Number | 0003577352 |
| Instrument Date | Feb 24, 2017 |
| Instrument | 3577352 |
| Transaction Type | Transfer |
| Record Updated | Mar 13, 2017 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $75.50 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 15 S 35TH ST BOULDER CO 803055524, BOULDER, CO 80305-5524 |
| Document Number | 3577692 |
|---|---|
| Date | Feb 28, 2017 |
| Instrument | 3577692 |
| Name | GUARANTEED RATE |
|---|---|
| Address | CHICAGO, IL 60613 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Feb 27, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.87% |
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 | $56,617 (+0.36%) Land $44,132 Building $12,485 | $902,600 (-) Land $719,000 Building $183,600 | |
| 2025 | $5,378.00 (-2.27%) | $56,413 (-16.31%) Land $44,938 Building $11,475 | $902,600 (-10.29%) Land $719,000 Building $183,600 |
| 2023 | $5,503.00 (+11.74%) | $67,409 (+27.1%) Land $55,965 Building $11,444 | $1,006,100 (+31.84%) Land $835,300 Building $170,800 |
| 2022 | $4,925.00 | $53,036 Land $40,491 Building $12,545 | $763,100 Land $582,600 Building $180,500 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 25 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 16 (1995–2013) |
| Claims Outside the SFHA | 2 of 16 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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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