Dane County property record for 1123 Colby St, Madison, WI 53715
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,136 sqft · built 1919 |
| Lot Size | 0.21 acres (9,152 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $152,000 (Apr 2013) |
| Tax Bill | $5,284 (2024) |
| Deeds & Mortgages | Jul 2023 Line of Credit Apr 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 0709-252-0612-4 |
| Primary APN | 0709-252-0612-4 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,136 sqft Living Area |
| 1st Floor Area | 816 sqft |
| Attic Area | 320 sqft |
| Basement Area | 816 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1919 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Bungalow |
| Exterior Material | Aluminum/Vinyl |
| Foundation Type | Stone |
| Roof Material | Asphalt |
| Lot Area | 9,152 sqft (0.21 acres) |
| Lot Dimensions | 150 ft deep x 61 ft wide |
| Terrain | Wooded |
| Driveway | Driveway |
| Driveway Area | 90 sqft |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 176 sqft |
| Deck Area | 200 sqft |
| Patio Area | 140 sqft |
| Cooling System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1123 COLBY ST |
|---|---|
| City | MADISON |
| State | WI |
| Zip | 53715-2007 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | TR-C2 |
| Legal Description | OAK GROVE, LOT 7, BLOCK 1 |
| Legal Range | 09 |
| Legal Township | 07 |
| Legal Section | 25 |
| Legal Subdivision | OAK GROVE |
| Legal Block | 1 |
| Legal Lot Number | 7 |
| Jurisdiction | DANE WI |
| Township / Civil Division | MADISON |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 1300 |
Source: Dane County records, as of January 22, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Co-owner | Co-owner on Record |
| Mailing Address | 1123 COLBY ST, MADISON, WI 53715-2007 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 24, 2023 | Deed of Trust, Mortgage · Line of Credit UNIVERSITY OF WISCONSIN CU |
| Apr 28, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNIVERSITY OF WISCONSIN CU |
| Mar 29, 2019 | Deed of Trust, Mortgage · Line of Credit UW CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 30, 2013 · Amount on Record |
| Deed Sale | Apr 30, 2013 · Amount on Record |
| Prior Sale | Oct 18, 2010 · Amount on Record |
| Deed Document Number | 4983097 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1123 COLBY ST, MADISON, WI 53715-2007 |
| Transaction Type | Mortgage |
| Record Updated | Aug 16, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0005914639 |
|---|---|
| Date | Jul 24, 2023 |
| Instrument | 5914639 |
| Name | UNIVERSITY OF WISCONSIN CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 23, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1123 COLBY ST, MADISON, WI 53715-2007 |
| Transaction Type | Mortgage |
| Record Updated | May 12, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0005722747 |
|---|---|
| Date | Apr 28, 2021 |
| Instrument | 5722747 |
| Name | UNIVERSITY OF WISCONSIN CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | May 1, 2036 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DANE WI |
| Property Address | 1123 COLBY ST, MADISON, WI 53715-2007 |
| Document Number | 0005479555 |
| Instrument Date | Mar 29, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Apr 26, 2019 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 123 COLBY ST MADISON WI 53715, MADISON, WI 53715 |
| Document Number | 0005479555 |
|---|---|
| Date | Apr 9, 2019 |
| Instrument | 5479555 |
| Name | UW CU |
|---|---|
| Type | Credit Union |
| Address | MADISON, WI 53744 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 8, 2049 |
| Rate Type | Adjustable Rate |
|---|
Source: Dane County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Wisconsin |
| County | Dane County |
| Municipality | Madison City |
| Unified School District | Madison Metropolitan School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $318,400 (+9%) Land $111,400 Building $207,000 | ||
| 2024 | $5,284.00 (+5.74%) | $318,400 | |
| 2023 | $292,100 Land $102,200 Building $189,900 | ||
| 2022 | $4,997.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 3 (1978–2018) |
| Claims Outside the SFHA | 2 of 3 |
| Most Recent Claim | Sep 2018 · Severe Storms, Tornadoes, Straight-line Winds, Flooding, And Landslides |
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 | Not rated no burnable land within 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 | MADISON WATER UTILITY serves 272,000 people · EPA ID WI1130224 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2023 |
| Lead | 2 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 322 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| LiteWire Fixed Wireless | 100 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
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