Boulder County property record for 637 17th St, Boulder, CO 80302 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,173 sqft · built 1920 |
| Lot Size | 0.136 acres (5,931 sqft) |
| Owner | Company Name on File |
| Last Sale | $524,900 (Sep 2005) |
| Tax Bill | $6,834 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage Aug 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-06-2-03-001 |
| Primary APN | 1577-06-2-03-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,173 sqft Living Area |
| Gross Area | 2,353 sqft |
| 1st Floor Area | 1,337 sqft |
| Upper Floors Area | 836 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 5,931 sqft (0.136 acres) |
| Garage Type | Attached |
| Garage Area | 180 sqft |
| Patio Area | 119 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007434 |
|---|---|
| Street Address | 637 17TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7636 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 4 FLORAL PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | FLORAL PARK & WEIHOFEN RESUB - BO |
| Legal Block | 4 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-2-03-001
Assessment roll updated 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 | 3434 47TH ST, 110, BOULDER, CO 80301-1817 |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Date | Document |
|---|---|
| Nov 02, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FLAGSTAR BANK FSB |
| Aug 21, 2017 | Quit Claim Deed, Transfer OTHER |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 29, 2005 · Amount on Record |
| Deed Sale | Sep 29, 2005 · Amount on Record |
| Prior Sale | Aug 10, 1972 · Amount on Record |
| Deed Document Number | 20052725835 |
| Last Transfer Date | Aug 10, 2017 |
| Transfer Doc | 0003610115 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 637 17TH ST, BOULDER, CO 80302-7636 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003829525 |
|---|---|
| Date | Nov 02, 2020 |
| Instrument | 3829525 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Address | TROY, MI 48098 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Nov 01, 2040 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 21, 2017 |
| Property Address | 637 17TH ST, BOULDER, CO 80302-7636 |
| Document Number | 0003610115 |
| Instrument Date | Aug 10, 2017 |
| Instrument | 3610115 |
| Transaction Type | Transfer |
| Record Updated | Sep 11, 2017 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 2327 MONTEZUMA DR CAMPBELL CA 950083826, CAMPBELL, CA 95008-3826 |
Source: Boulder County records · Assessment roll updated 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 | $77,065 (+8.8%) Land $51,347 Building $25,718 | $1,133,300 (-) Land $755,100 Building $378,200 | |
| 2025 | $6,834.00 (+13.86%) | $70,832 (-2.07%) Land $47,194 Building $23,638 | $1,133,300 (+4.98%) Land $755,100 Building $378,200 |
| 2023 | $6,002.00 (+2.35%) | $72,326 (+16%) Land $48,367 Building $23,959 | $1,079,500 (+20.33%) Land $721,900 Building $357,600 |
| 2022 | $5,864.00 | $62,349 Land $39,796 Building $22,553 | $897,100 Land $572,600 Building $324,500 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 67% of the US · above 60% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 366 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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