Boulder County property record for 1734 Sumac Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,772 sqft · built 1985 |
| Lot Size | 0.483 acres (21,021 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $162,000 (Aug 1999) |
| Tax Bill | $7,187 (2025) |
| Deeds & Mortgages | Nov 2020 Line of Credit |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-18-3-24-003 |
| Primary APN | 1463-18-3-24-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,772 sqft Living Area |
| 1st Floor Area | 1,056 sqft |
| Upper Floors Area | 716 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 21,021 sqft (0.483 acres) |
| Garage Type | Carport |
| Garage Area | 360 sqft |
| Carport | Carport |
| Carport Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 132 sqft |
| Shed | 1 Shed |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0033409 |
|---|---|
| Street Address | 1734 SUMAC AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 3 & 13 BLK 11 MOORES & 30 FT VAC RIVERSIDE AVE SPLIT TO ID 125242 PER DEED #1649216 10/96 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | MOORES & REPLAT LOT 15 BLK 30 - BO |
| Legal Block | 11 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 12105 |
Source: Boulder County records, as of June 15, 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 | 1734 SUMAC AVE, BOULDER, CO 80304-0814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 26, 1999 · Amount on Record |
| Deed Sale | Aug 26, 1999 · Amount on Record |
| Prior Sale | Feb 5, 1997 · Amount on Record |
| Deed Document Number | 19991975614 |
| Prior Transfer Date | Jan 27, 1997 |
| Prior Transfer Doc | 0001675418 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1734 SUMAC AVE, BOULDER, CO 80304-0814 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003833194 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 3833194 |
| Name | BBVA USA |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80303 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 299 Months |
| Due | Oct 16, 2045 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Boulder County assessment roll, as of June 15, 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 | $88,808 (+8.8%) Land $79,927 Building $8,881 | $1,306,000 (-) Land $1,175,400 Building $130,600 | |
| 2025 | $7,187.00 (-3.76%) | $81,626 (-9.47%) Land $73,463 Building $8,163 | $1,306,000 (-2.95%) Land $1,175,400 Building $130,600 |
| 2023 | $7,468.00 (+15.16%) | $90,162 (+29.1%) Land $78,712 Building $11,450 | $1,345,700 (+33.91%) Land $1,174,800 Building $170,900 |
| 2022 | $6,485.00 | $69,840 Land $62,756 Building $7,084 | $1,004,900 Land $902,970 Building $101,930 |
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 32 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 26 (2005–2015) |
| Claims Outside the SFHA | 10 of 26 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, 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 62% of the US · lower than 79% of Colorado |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Direct burnable vegetation |
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 384 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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